Mega Food
According to official guidelines, total daily intake of fats should be no more than_______ percent of total daily calories.
35%
EER Equation Female
354 - (6.91 X Age in yrs) + PA[(9.36 x Weight in kg) / (726 x Height in m)] Physical Activity: 2403 (19 y)
refrigeration temp
36-38F
deep fat frying
375 F
Total Fiber
38 g 25
The butterfat content of table cream is approximately ________.
38 to 40 percent
Dust collection systems are most effective if conducted under a ------ pressure
Positive
3. ____________________ is an example of a hetergeneous mixture.
Potato Soup
Minimum Cooking temp 165F (for 15 seconds)
Poultry, Stuffing made with TCS ingredients, Stuffed meat, seafood, poultry, pasta, Reheating leftovers
Which would be MOST responsible for monitoring processing to ensure standards are met?
Quality Control specialist
To a six-year old, "Catching" fish-shaped crackers that "swim" in a tomato soup "lake",is an example of which concept?
Sensory appeal
How is flavor quantified?
Sensory panels
What can be added to fats to prevent autoxidation?
Sequestering agents and antioxidants
Composition of cereals and grains is based largely on what three things?
Starch, protein, dietary fiber
When using scale, this procedure is used to find the mass of a substance, but its not a container.
Taring
What usually result when a food normally eaten cold is served warm?
Taste too strong
Had a major impact on the development of the food industry
Technology
Makes possible the staggering variety and availability of frozen, baked, dried, fermented, canned, refrigerated, packaged and fresh foods
Technology
Which factor is NOT considered a cost of a typical cleaning operation in food manufacturing?
Temperature
TCS Food stands for
Temperature Control for Safety Foods
T = Temperature
Temperature Danger Zone 41F - 135F keep foods out of this zone
Danger Zone
Temperature range between 41 and 135 degrees Fahrenheit in which bacteria grows rapidly
Relates to how easily crushed or chewed a product is when eaten, they are soft and fragile
Tenderness
Sense of feel in regards to food
Texture
provides an impression of food structure through the eating process
Texture
Cross Contamination
The unintentional transfer of bacteria from one food or surface to another food or surface. Example: Using the same platter for raw meat, poultry, or seafood, and cooked meat, poultry or seafood
1. Many foods are designed to be heated in the microwave oven which delivers electromagnetic waves to transmit energy to food. Which of the following statements is correct?
The shorter the wavelength, the greater the energy
danger zone
The temperature range from 40 to 140 degrees F in which food-borne bacteria can grow.
Gamma rays
The type of electromagnetic waves used for irradiation are called _______?
In a ________ process, fat globules are reduced to a smaller, more equal, size and distributed evenly.
b
The monosaccaride
b
Yogurt is made with ________.
bacteria
Salmonella
bacteria concern with poultry
Temperature Danger Zone (TDZ)
bacteria grow in warm, moist, protein rich environment between 41F and 135F KEEP FOODS BELOW 41F AND ABOVE 135F
A compound that destroys bacteria on contact and has residual activity to continue to kill bacteria on a surface is called:
bactericide
A compound that inhibits the growth of bacteria but does not necessarily kill bacteria is:
bacteriostatic
an energy used by a body at rest to maintain automatic, life-supporting processes
basal metabolism
A solution containing more OH- ions than H+ ions is considered to be a(n) _____ solution.
basic
Amino acid structure
basic unit of proteins; contains both a carboxyl groups and an amino acid group
As eggs age, the egg white becomes thinner because the pH of the egg:
becomes more basic due to decreased carbon dioxide levels inside of the egg
When freezing foods, it is important to note that the freezing point of various foods is:
below 0 degrees C
Enzymes can have ______ and ______ effects
beneficial, detrimental
How do small fat crystals affect creaming properties?
better emulsification, better dispersion, more air pockets
______is cultivating a variety of plants and animals. It involves less reliance on a few food sources.
biodiversity
The presence of Listeria monocytogenes in Bologna is an example of a _____ in food.
biological hazard
The three categories of food safety hazards are
biological, physical, and chemical.
Scientists at Calgene Company isolated the gene responsible for the deterioration of a tomato when it is picked, then used this knowledge to create the Flavr-Savr® tomato. This is an example of applying _____ to alter the genetic makeup of a food.
biotechnology
The use of biochemical techniques to alter the genetic makeup of a plant to enhance characteristics for food production is called:
biotechnology
Oxidases are enzymes in vegetables that are activated by:
blanching
To deactivate enzymes in fruits and vegetables, the produce is immerse in boiling water in a process called:
blanching
Iron is important in the diet for the development of _______.
blood
excess sugar is stored in the body as
body fat
Lukewarm
body temp: 98-100F
Addition of salt or sugar raises the ______ ______
boiling point
100 degrees Celsius
boiling point of water
Peptide bonds
bonds between the nitrogen of one amino acid and the carbon of a second amino acid
Water that cannot be easily separated in food is called?
bound water
The wheat kernel is made of three parts. The portion is rich in fiber and contains many B-vitamins as well as iron
bran
The food pyramid indicates that the _____ group is the where you should obtain the most servings each day.
bread
4 functions of proteins
buffering, water holding, enzymes, emulsification
____are substances that help maintain the balance of hydrogen and hydroxide ions ina solution
buffers
Proteins:
build and repair body tissue
Toughens flour-base formulations as its water component hydrates the starch
butter and margarine
Example of an absorbing oil
butter left unopened int he refrigerator
Butter contains a high amount (about 4 percent) of _____ acid, which is a short chain fatty acids that gives butter a buttery aroma, especially as it warms up.
butyric
Purchasing
buy cold food last (meat, poultry, dairy), get it home fast, keep meat away from fresh produce, put meat in bottom of the cart, do not buy canned goods that are dented, cracks, bulging lids, buy fresh produce, check expiration date, keep cold foods cold between store/home (cooler), keep foods out of temperature danger zone, have enough storage in refrigerator for foods
MAP is an acronym for ________ and used as a packaging technique.
c
Mushrooms are high in _________________, which makes them a natural version of MSG, contributing to the umami taste
c
The chemical formula C8H10N402 represents the chemical ______________
c
To deactivate enzymes in fruits and vegetables prior to freezing, companies use a process called ____________________
c
Which of the following is not an example of an emulsion?
c
A compound that is found in many soft drinks has the chemical formula C8H10N4O2 and is called
caffeine.
If an employee is sick or vomiting, they should
call in sick or stay home
This foodborne pathogen is the second most common bacterial cause of diarrhea in the US. It is associated with raw and undercooked poultry and untreated water
camplyobacter
A component in chili peppers called _____ makes them hot and may cause a burning sensation in your mouth when food containing chili peppers is consumed.
capsaicin
Starch is a:
carbohydrate
Glycogen is the form of _________ that is found in meat.
carbohydrates
In the body, enzymes break down _____ into simple sugars.
carbohydrates
Which of the following food component is primarily derived from fruits, vegetables, and grains?
carbohydrates
Foods
carbohydrates and proteins
The enzyme maltase in yeast cells helps in baking yeast bread because it acts as a catalyst for the breakdown of maltose to simple sugars that are then metabolized to produce ________ which causes the dough to rise.
carbon dioxide
The first ingredient in the ingredient statement on the can of Mountain Dew soda is listed as "carbonated water." This is actually a solution of the gas _____ dissolved in water.
carbon dioxide
The purpose for using a leavening agent such as baking soda or baking powder in cakes and cookies is to provide a source of:
carbon dioxide
When glucose and oxygen react with each other, the resulting products are:
carbon dioxide and water
Swiss cheese has holes because it is ripened with organisms that produce:
carbon dioxide gas
Table sugar is composed of:
carbon, hydrogen, oxygen
How do food labels meet Federal regulations?
carefully analyzing all ingredients in food item
Low-density lipoproteins
carries cholesterol from liver to body cells
Very low-density lipoproteins
carry cholesterol and TGs from liver to body
High-density lipoproteins
carry cholesterol back to the liver
When a summer sausage is thermally processed in a smokehouse that has excessive air speed and/or too little humidity, the sausage may form a hard outer layer, trapping moisture inside, which could lead to subsequent microbial problems. This is called:
case hardening
This is a potential defect in dehydration caused by temperatures that are too high. It results in a hard outer layer that traps moisture inside a product.
case-hardening
If acidic foods (such as tomatoes) are added to milk,
casein coagulates
Metabolism of food involves two separate processes. One of these, _____ , involves breaking down complex molecules into simpler ones during chemical reactions.
catabolism
Metabolism of food involves two separate processes. One of these,_____________________, involves breaking down complex molecules into simpler ones during chemical reactions.
catabolism
A ______________ is used in the production of high fructose corn syrup, which is a substance that speeds up the reaction rate without being permanently changed or used up itself.
catalyst
Food Scientist must understand how raw food sources re organized on the ________ level
cellular
Approved sources
check for USDA inspection stamp; stamps for meat & poultry are mandatory
Immersion Probe
check temperatures of liquids
Examples of enzymes used in food processing: Chymosin
cheese
The first food product to use modern biotechnology (bioengineering) is:
cheese
Antibiotics are an example of a _____ hazard in a food product
chemical
The presence of an agricultural pesticide in a food product would be considered a ______ hazard in a HACCP plan.
chemical
Based on the principles of HACCP, broccoli that is contaminated with a pesticide residue is an example of a
chemical hazard.
Nutrient
chemical substances in food that help to maintain the body
Isomers offer different ______ and ______ properties
chemical, physical
one way to prevent cavities?
chewing gum
Pigments
chlorophylls, carotenoids, anthocyanins, betalains are examples of these
Fermentation is a production step in the process of making _____.
chocolate
Desirable microbial growth in foods is important for the production of all of the following times but:
chocolate, pasta, meats
What is the most common sterol
cholesterol
A chemical linked to long-term effect such as cancer, sterility and birth defects could cause which of the following:
chronic toxicity
Double bond configuration that introduces a kink
cis
which isomer has a lower melting point?
cis
Preservatives
citric acid, benzoic acid are examples of this
four guidelines to reduce food borne illness at home
clean separate cook chill
Once food production operations are finished, a sanitation crew will remove all visible dirt, grime, and grease. This step is also called:
cleaning
Common food poisoning can be avoided by taking simple preventative steps. Which of the following steps is the most important?
cleanliness
Oil and water are two immiscible liquids found in salad dressings that can be blended together with the addition of a(n):
emulsifier
What prevents the separation of oil and water in food?
emulsifier
Surface-like agents that prevent like-particle conglomeration are:
emulsifiers
Calibrated
ensure the accuracy of something; measure, adjust regularly
Bound water density is ______ than that of free water
greater
Saturated fats are implicated in a ______ rise in serum cholesterol
greater
Bacteria
greatest threat to food, grow quickly at favorable temperatures. Some bacteria useful: cheese, buttermilk, sauerkraut, pickles, yogurt. OTHERs are infectious disease-causing agents = pathogens Bacteria can double every 10-30 minutes. Two become four, four become eight, etc.... A single cell can become billions in 10-12 hours.
Oxymyoglobin is responsible for the bright cherry red color of
ground beef.
An IQF process means that a food product has been __________________________.
individually quick-frozen
High Risk Consumers
infants, young children, pregnant women, elderly, people chronically ill
Lard, or rendered ____________________, is popular in the baking industry for use in pastries, cakes, and frostings.
pork fat
Which of the following food component is primarily derived from red meat and poultry?
protein
Shortening functions to physically shorten platelets of ______, ______ structure developed
protein, starch
Composition of dairy PRODUCTS is largely based on
protein, water, and fat
Hard wheat will yield a flour that has a higher _______________ than that of flour from soft wheat.
protein-to-starch
Amino acids are the building blocks of .
proteins
Gluten in flour contains fibrous and globular _____________ and gives baked goods their structure and shape.
proteins
When a food scientist appraises a food using sight, smell, taste and possibly touch, this is often referred to as:
sensory evaluation
Taste buds
sensory organs located on various parts of the tongue
If a food product label bears the symbol in this picture, it means that the product has been ______________________.
treated with irradiation
Fats do not melt at fixed temperatures. but over a range because the ______ all have different melting points, this is plasticity
triglycerides
The hunter lab colorimeter measures color reflected from food using a ________ approach, x,y,x approach
tristimulus
The Delaney Clause passed in 1958 states that
no carcinogens shall be added to the food supply
______________ is a linear polymer of D-galacturonic acid that forms an ester with methanol and is used as an ingredient to make jelly.
pectin
Chromium
35 ug 25
The process of changing a liquid oil to a solid fat is known as:
Hydrogenation
Which of the following is NOT a type of food processing?
Rehydration
The recent recall of tomatoes was due to contamination by:
Salmonella
Complete protein
a protein that contains all the essential amino acids
High-quality protein
a protein that contains all the essential amino acids
The creamy texture of Dannon™ yogurt is an example of a food:
attribute
Always store chemicals
away from food and utensils and in locked cabinets.
Butter contains ______
lipases
Fats and oils are part of a family of compounds called:
lipids
MUFAs are ______ at room temperature
liquid
PUFAS are ______ at room temperature
liquid
Acetin fats may be ______ or ______ at room temperature
liquid, solid
A microorganism that causes a food borne illness is called a:
pathogen
Any microorganism that can cause disease is called a:
pathogen
Water influences the ______, ______, and ______ of a food
texture, flavors, stability
Clostridium
"The Buffet Germ" causes food intoxication when food is allowed to cool
The ___ ___ rule refers to using older food supplies before newer ones.
"first in, first out "
In most cases, which phrase means that the food product in question contains no nutritive carbohydrate sweetener, either added or naturally occurring, and is a low or reduced calorie food?
"sugar free"
Preventing Cross Contact in Food Service
*Tell customer how each dish is made *Tell customer about any "secret" ingredients that may contain allergens. While you might not want to share these recipes with the public, you still must be able to tell the "secret" items when asked. *Suggest alternative menu items that don't have the food allergen. *Servers should never guess about what a menu item contains. IF they don't know, they should ask someone who does.
Prevent Cross Contamination
*Wrap or Cover Food *Store refrigerated raw meat, poultry, seafood separately from ready to eat food *Store ready-to-eat food above raw meat, poultry, and seafood Store raw meat, poultry, and seafood in coolers in the following top-to-bottom order: seafood (top) whole cuts of beef & pork ground meat & ground fish whole and ground poultry (bottom) Based off minimum internal cooking temperature of each food. (Low to High)
Cooling food for refrigeration
*cool from 135F to 70F within 2 hours *then cool to 41F or lower within the next 4 hours *IF it hasn't reached 70F within first 2 hours REHEAT and cool again or THROW OUT
3 uses of water sorption isotherms
-Determine rate and extent of drying -Optimum frozen temperature -Moisture barrierer properties required in food packaging materials
n-3 polyunsaturated fatty acids (a-linolenic acid)
.6-1.2
At sea level, pure water freezes at:
0 degrees C
Water activity range
0-1
Water activity, the degree of availability of water in food, is measured on a scale of:
0-1
If NOEL value of a pesticide is 1 gram, what is the Acceptable Daily Intake (ADI) for each kilogram of body weight?
0.1 gram
If Joe's daily intake is 2000 calories and he consumes a candy bar that contains 220 calories, what percent of Joe's calorie intake is in that candy bar?
0.11
The average American spends less money on food than most nations of the world. The average American spends what percent of total disposable income on food?
0.11
Food scientists often need to know how much solute a solution contains. What would be the mass percent of sucrose in a solution if 23 g of sucrose was dissolved in 77 g of water?
0.23
Poultry consumption in the United States has increased ________ from 1976 to 1989.
0.25
It is estimated that the average consumer spends approximately what percent of his/her food dollar on food prepared outside of the home?
0.45
When you spend one dollar for food, approximately how much goes into the labor required to harvest, and then process that food after it leaves the farm?
0.76
Water activity is the degree of availability of water in food. The water activity of pure water is:
1
A calorie is the amount of energy required to raise ____ of water one degree ________.
1 gram, Centigrade
It is estimated that _________in __________ Americans could get sick from food poisoning this year alone
1 in 6
Clean and sanitize anything that touches food
1) After every use 2) When beginning to work with another type of food 3) And if using something constantly
When using a dishwashing machine to clean and sanitize:
1) Check detergent and sanitizer dispensers to make sure they are filled. 2) Check water temperature and pressure. 3) Keep the machine clean inside and out. 4) Do not overload dishwasher racks. 5) Do not double stack the racks.
Types of chemical sanitizers include:
1) Chlorine, 2) Iodine, and 3) Quats
Calcium
1,000 mg 1,000
_________is a measurement of the degree of availability of water in food
water activity
Food becomes hazardous 3 ways
1. chemical (cleaning solutions, sanitizers) 2. physical (foreign particles: glass, metal, staples, bandages) 3. biological (microorganisms ~ bacteria, viruses, parasites, fungi)
Key concepts
1. food safety requires temp control 2. enforcement of high standards of sanitation needed where food is being stored, prepared & served 3. Food-borne illness are caused by bacteria, molds, etc. b/c were not refrigerated or handled safely (leads to physical discomfort or death) 4. FDA regulates additives 5. several federal agencies share responsibility for the nation's food safety
A food contains 8 grams of fat, 4 grams of carbohydrates, and 5 grams of protein. That would be equivalent to ___ calories.
108
Zinc
11 mg 8
37. By federal law, baking powder must yield at least ___________ CO2 for every 100g of powder.
12 g
Vitamin K
120 ug 90
Microorganisms grow much faster between ___ and food must pass through this zone much more quickly to minimize bacteria growth.
125 and 70
Thiamin
1.2 mg 1.1
Riboflavin
1.3 mg 1.1
Vitamin B6
1.3 mg 1.3
Sodium
1.5 g 1.5
a-Linolenic Acid
1.6 g 1.1
The acceptable daily intake (ADI) of a non-carcinogen is:
1/100 of a no-observed effect level (NOEL)
Yolk is ________ of edible protion with ________% of calories
1/3, 75%
recommended daily percentage of calories from sugar
10%
The percent of disposable income in the US that is spent on food
10% 5.6% at home 4.3% away from home
A focus group is a group usually composed of "target" customers who evaluate product ideas or concepts. Focus groups usually contain_____people and a group leader
10-12
Protein
10-35
In the decmel system, numbers are expressed in units of:
10.
17. ____________ degrees separates freezing and boiling points on the celsius scale
100
To calibrate a candy-making thermometer one should place it in boiling water and adjust for any difference from:
100*C
If a food product contains 10,000,000 (10⁷) microbes per gram, and experiences a 99.99 percent kill rate, then _____ microbes per gram will survive.
1000
Linoleic Acid
17 g 12
21. To estimate basal metabolic rate of a woman weighing 130 pounds to know how much energy she needs to consume for breathing, digesting food, growing new cells, and other basic processes, first convert her mass to kilograms. Then, calculate the kcalories she would use per hour by multiplying her mass by a BMR factor of .9 to learn her BMR. Finally, multiply her BMR by 24 since there are 24 hours /day to find her estimated daily basal kcalorie needs. Her estimated daily kcalorie needs would be ____________ k calories/day.
1276
Temp for runny yolks
130 F (may have risk of salmonella)
Carbohydrates
130 g 130
Hot TCS food must be received at ___ or higher
135
Hot food should be held at a temperature of
135 or higher
Food that needs to be cooled, should be brought from
135 to 70 within 2 hours and then from 70 to 41 within the next 4 hours
The pH scale is a mathematical scale in which the concentration of hydrogen ions in a solution is expressed as a number from 0 to ___ to indicate acidity.
14
Eggs being prepared for immediate service should be cooked to _____
145 for 15 seconds
Steaks and chops should be cooked to an internal cooking temperature of
145 for 15 seconds
Fish should be cooked to an internal cooking temperature of
145 for 15 seconds .
Roasts should be cooked to an internal cooking temperature of
145 for 4 minutes
All meat should be cooked to the following temperature to kill Salmonella species:
145F
No more than _____% of your day's food intake should be protein.
15
The mass percent of 15 g of salt (sodium chloride) in 85 g of water is equal to:
15
Vitamin E
15 mg 15
Vitamin D
15 ug 15
Superstores are likely to carry how many items?
15,000
10. When fruits and vegetables are dried, they should contain ________ percent of their original moisture, otherwise the finished product quality will not be acceptable.
15-20
The lean part of meat is about _____ percent protein.
15-20
Scalding
150 F heats liquid just to the simmering point (very hot) ex. milk
Iodine
150 ug 150
Bacteria do not thrive below 40 degrees F or above _______ degrees F.
150F
Nabisco markets Oreo Double Stuff sandwich cookies. One serving, equivalent to 1 ounce, contains 7 grams of fat, 2.5 grams of saturated fat, 0 mg of cholesterol, 120 mg of sodium, 21 grams of carbohydrates, 1 gram of dietary fiber, 13 grams of sugar, and 1 gram of protein. One serving would be equivalent to _____ calories.
151
A food contains 11 grams of fat, 6 carbohydrates, and 8 grams of protein. That would be equivalent to ___ calories.
155
Ground meat should be cooked to an internal cooking temperature of
155 and 15 seconds
Cook injected meat or brined ham to an internal cooking temperature of
155 for 15 seconds
Eggs held hot for service should be cooked to an internal temperature of
155 for 15 seconds
If the legal maximum of nitrite (NO2) is 156 ppm, how much sodium nitrite can you legally add to 1 kg. of meat?
156 mg
Niacin
16 mg 14
poaching
160 - 180 F
A left-over hot dish needs to be reheated prior to serving again. The internal temperature of the food should reach _____ degrees F.
165
Foods that are being cooked in a microwave such as eggs, poultry, fish, and meat should be cooked to an internal cooking temperature of
165
temp at which to reheat food (leftovers)
165 F
Cook poultry to an internal cooking temperature of
165 for 15 seconds
Reheat food for hot holding to an internal temperature of
165 for 15 seconds
________% of US is employed by the food industry
17
A pizza company printed a new package for frozen pizza and the consumer cooking instructions on the package states that the pizza should be reheated to a final temperature of 77°C. The cooking instructions should have listed the final cooking temperature in °F instead of °C. You have been asked to convert 77°C into °F. What should the final cooking temperature be in °F on the label?
171
In _____, a German chemist named Andreas Sigismund Marggraf discovered that the sweetness of sugar beets and of sugar cane was the result of sucrose.
1774
Animal fats typically have ______ carbons in the fatty acid chain
18
45. The concentration of a 23 g of sugar in 105 g of water would be ___________.
18%
Simmering
180 - 211 F bubbles just around, but NOT popping
When were convenience foods introduced?
1950s
In __________, the Nutrition Labeling and Education Act required food labels to carry basic nutrition information.
1990
Hydrochloric Acid in the stomach has a pH of :
2
T = Time
2 hour rule = 2 hours or less; keep low acid, high protein foods out of the TDZ (temperature danger zone) below 41F above 135F; prevents growth of large number of pathogens
Check the temperature every ____ If food does not meet temperature standards after 4 hours, it must be thrown out.
2 hours to allow time for corrective action
Outbreak
2 or more people have same symptoms after eating the same food, investigation of state & local regulatory authorities, confirmed by lab test
An outbreak occurs when
2 or more unrelated people get the same illness after eating the same food.
To help prevent the spread of disease and to produce safe food, what is the recommended length of time that hands should be washed prior to handling food?
20 seconds
Bacteria
20 types of these single celled microorgansims found in the Air, Soil, Water, in & on our bodies
Fat
20-35
One Kilogram is equal to how many pounds?
2.2
Chloride
2.3 g 2.3
Manganese
2.3 mg 1.8
Vitamin B12
2.4 ug 2.4
Hands should be washed for at least____________seconds before handling food
20
Harry's BBQ company processes their BBQ sauce at ambient temperature, which is currently 68 degrees F. This would be equivalent to ___ degrees C.
20
The number of minerals needed by the body is approximately ________.
20
To help prevent the spread of disease and to produce safe food, what is the recommended length of time that hands should be washed prior to handling food?
20 Seconds
The % Daily Value is based on a _____-calorie diet.
2000
A 42 g serving of M&Ms® contains 9 grams of fat, 30 grams of carbohydrates, and 2 grams of protein. That would be equivalent to ___ calories.
209
Boiling
212 F (at SEA LEVEL; takes longer to cook @ high altitutdes) bubbles POPPING
Compared to people in Mexico, who spend ________%, China, ________%, and Russia, ________%
22, 28, 37
It takes approximately ______ pounds of milk to make 1 pound of butter.
22.8
A Hershey's Milk Chocolate bar contains 13 g fat, 8 g saturated fat, 26 g total carbohydrates, 1 g dietary fiber, 24 g sugar, and 3 g protein. Based on this information, the chocolate bar would contain ____________ calories.
233
You are creating a new chocolate product and are using 57 pounds of cocoa powder in the formulation. Your supervisor has asked that you convert the formulation from English units to metric units. How much would the cocoa powder weigh in kilograms?
25.85 kg
Oscar Mayer markets a product called "Fast Franks" that is a microwavable hot dog in a bun. One serving, equivalent to 1 hot dog with bun, contains 19 grams of fat, 5 grams of saturated fat, 45 mg of cholesterol, 790 mg of sodium, 21 g of carbohydrates, 1 gram of dietary fiber, 5 grams of sugar, and 10 grams of protein. One serving would be equivalent to ___ calories.
295
To increase shelf life, the air in a controlled atmosphere storage room containing apples should contain only _____% oxygen rather than the 21% found in normal air.
3
Approximately what percentage of the U.S. food dollar is spent on meals away from home?
35 percent
Approximately what percentage of all the jobs in the food and fiber system is related to wholesale and retail sales?
30 percent
Biotin
30 ug 30
Cream is classified by the amount of fat it contains. Light whipping cream must contain _____ percent fat.
30-36%
When roasting meats and poultry, an oven temperature of at least ________ should be used.
325 degrees F
Freezing
32F
Eggs are stored and shipped at temperatures between:
33 degrees and 38 degrees F
Total Water
3.7 L 2.7
How many bonds hydrogen bonds can water form?
4
If food is held for more than __ hours, it has to be thrown out
4
In food, carbohydrates supply _____Kcal. Per gram.
4
In food, proteins supply _____Kcal. Per gram.
4
Vitamin C
90 75 mg
Copper
900 ug 900
Carbs
4 calories per gram
Proteins
4 calories per gram
Fluoride
4 mg 3
unsafe food temp
4-60 degrees Celsius
Processing a food product so that it receives a 5 D treatment means that _____ percent of the microorganisms will be destroyed.
99.999
When food is prepared in a food service establishment, hot foods should be maintained at
>145 degrees F
F.A.T. T.O.M.
An acronym that helps us to remember all of the conditions needed in order for microorganisms to grow
Potassium
4.7 g 4.7
To ensure that the foods you store maintain their safety and quality, make sure your refrigerator is at _____ degrees Fahrenheit.
40
Bacteria multiply rapidly in the temperature range of ___________. It is commonly called the temperature danger zone.
40-140 degrees F
Bacteria multiply rapidly in the temperature range of _______________. It is commonly called the temperature danger zone.
40-140 degrees F
Magnesium
400 mg 310
Folate
400 ug 400
Cold TCS food must be received at __ or lower
41
Danger zone
41 - 135 F - where microorganisms grow the fastest keep hot foods hot, 135 or above) and cold foods cold (41 or below)
Cold food should be held at a temperature of
41 or lower
The temperature danger zone is
41 to 135
Shell eggs must be received at a maximum air temperature of
45
________ grams of a day's food intake should be protein.
45
Molybdenum
45 ug 45
Carbohydrate
45-65
Pantothenic Acid
5 mg 5
How much food from the meat and beans group is recommended for teenagers?
5 to 6 oz.
n-6 polyunsaturated fatty acids (linoleic acid)
5-10
Partially hydrogenated oil is approximately ______% MUFAs and ______% PUFAs
50, 25
Tomatoes are stored and shipped at temperatures between:
50-65 degrees F
Selenium
55 ug 55
Choline
550 mg 425
Protein
56 g 46
20. The nonnutritive sweetener called sucralose, also known be the brand name Splenda, is ______ times sweeter than sugar.
600
EER Equation Male
662 - (9.53 X Age in yrs) + PA[(15.91 x Weight in kg) / (539.6 x Height in m)] Physical Activity: 3067 (19y)
HACCP, a dynamic, preventative food safety concept, has ___ principles.
7
Ready to eat TCS food that has been prepped in-house and stored at 41 degrees or lower should be thrown out after ___ days
7
Fresh fruits, vegetables, and meats are __________ percent water.
70-90
The water content in fruits, vegetables, and meats ranges between _____ percent.
70-90%
Phosphorus
700 ug 700
For consumer safety, ground beef should always be cooked to a minimum internal temperature of 160 degrees F before it is consumed. This would be equal to _____ degrees C.
71.1
According to the Centers for Disease Control and Prevention (CDC), there are approximately _____ million cases of foodborne illness in the United States annually.
76
Iron
8 mg 18
Food scientists commonly use the metric system when developing products. In a 10 pound product test batch, 3.17 oz of salt is used. How much salt would be used in grams?
89.9 grams
A gram of fat contains _________ calories
9
Fats
9 calories per gram
The percentage of an average U.S. worker's pay that is used for food is ________.
9.9 percent
physical change
A change in a substance that does not involve a change in the identity of the substance
chemical change
A change in matter that produces one or more new substances
Additive
A chemical added to food to make it taste, look, or feel better or to preserve it.
Preservative
A chemical additive that stops or slows the growth of microorganisms.
Oxidation
A chemical change in which a substance combines with oxygen. Food will turn brown.
Consumer panel
A company developed a new food product and is asking several hundred people how much they like or dislike the product or one of its flavor/texture characteristics. This would be an example of a _______.
Allergen
A company recalled chicken spring rolls because the product contained eggs that were not listed on the package label. This would be an example of a hazard due to a(n) _________.
Variable
A factor that can change in an experiment
variable
A factor that can change or be manipulated in an experiment
saturated fats
A fat that is solid at room temperature and found in animal fats, lards, palm oil, coconut oil and dairy products.
Propionic Acid
A food scientist is designing a product that requires a mold inhibitor. Which one of the following ingredients should this person select to provide this function?
Confectioners sugar
A food technologist is making a new product that will use a powdered granulated sugar with an added anti-caking agent such as cornstarch. This type of sugar is called ______.
Yeast
A fungi. A single-celled eukaryotic organism.
data table
A grid that displays the data plotted in the chart
Retort
A large pressure canner used to commercially can food is called a _____.
mass
A measure of the amount of matter in an object measured in grams
hypothesis
A possible answer to a question
monosaccharide
A single sugar molecule such as glucose or fructose, the simplest type of sugar.s
What is a toxin?
A substance that can cause extreme illness or death
Pesticides
A substance used to destroy undesirable plants or insects
Pesticides
A substance used to destroy undesirable plants or insects.
taste bias
A tendency to like or dislike a food based on positive or negative experiences, respectively.
Thawing Meat
ALWAYS thaw meat in refrigerator, microwave (cook completely afterwards), in cold running water below 70F
Associates in layers via intermolecular H bonds around hydrophilic food molecules
Absorbed water (structural water or Type 2)
71.1 degrees celsius
According to the U.S. government, ground beef should be cooked to a minimum internal temperature of _______ for safety.
How close a single measurement comes to the actual or true value of the quantity measured refers to which concept?
Accuracy
_____ bacteria are used to make vinegar.
Acetic acid
Formed when one or two fatty acids are replaced by acetic acid
Acetin fats
36. Soft drinks are _____________ formulations with a pH of less than 7.0
Acidic
Molds
Aerobic microorganisms that cause more waste than danger and need a moist environment to grow.
Molds
Aerobic microorganisms that cause more waste than danger need a moist environment and a temp between 20-35 C
A toxin commonly found in corn and peanuts is:
Aflatoxins
Sanitizers are applied______ the cleaning step of a sanitation program
After
When does crystal formation occur?
After oils are heated and cooled
__________________ is a type of polysaccharide that occurs natural in brown algae as a skeletal component of their walls. It is useful in the food industry as a thickener or stabilizing agent.
Alginate
______________________ is a type of polysaccharide that occurs naturally in brown algae as a skeletal component of their walls. It is useful in the food industry as a thickener or stabilizing agent.
Alginate
M = Moisture
All microorganisms must have an abundant supply of water to grow. Moisture content: amount of water in food expressed as a % scale 0 to 1.0 Bacteria, yeast, & mold multiply rapidly with high water activity level above 0.86
Cross contact
Allergens transferred from food containing an allergen to the food served to the customer.
Conditions under which natural toxins will NOT cause problems in humans are:
An abnormal food constituent is eaten moderately
Proteins are composed of building blocks of:
Amino Acids
_____________________ Is often used in thin products with a large surface area (crackers) as a leavening agent to allow the unpleasant tasting gas that is produced to escape.
Ammonium Bicarbonate
______________________ is often used in thin products with a large surface area (crackers) as a leavening agent to allow the unpleasant tasting gas that is produced to escape.
Ammonium bicarbonate
volume
Amount of space occupied by a fluid. measured in liters
2 Hours
Amount of time perishable foods can be left at room temperature.
_____ is a digestive enzyme found in saliva, and reacts with carbohydrates in food to initiate breakdown into simpler sugars.
Amylase
______________________ is a digestive enzyme is found in salvia, and reacts with carbohydrates in food to initiate breakdown into simpler sugars.
Amylase
Food-borne Illness
An illness caused by a pathogen found in food
Food Poisoning
An illness caused by the ingestion of toxins, usually a pathogen; also known as a food borne illness
Fungi
An organism that absorbs nutrients from the environment; a decomposer
Pathogen
An organism that causes disease
A chemist, ________, discovered that the sweetness of sugar beets and of cane sugar was the result of the same chemical, sucrose.
Andreas Sigismund Marggraf
_____ is a pigment that contributes to the red color of tomatoes and raspberries.
Anthocyanin
4 Aspects of Food Quality
Appearance, Texture, Flavor, Storage Stability
Dietary cholesterol
As low as possible
Saturated fatty acids
As low as possible
Trans fatty acids
As low as possible
A synthetic sweetener made of aspartic acid and phenylalanine that is found in many diet soft drinks is called:
Aspartame
_____ is sweeter than sucrose.
Aspartame
3 factors that effect water in a food system
Atmospheric and Barometric pressure Mineral content pH
6. A monounsaturated fat lacks two hydrogens, creating one double bond between carbon atoms, and tends to lower LDL cholesterol without affecting HDL levels. ______________ is a food that is naturally high in monounsaturated fat.
Avocado
The topography near a food facility should be sloped to permit water flow___________ the building__________ the formation of water puddles.
Away from, without
Unstable ______ crystals change to ______ crystals, which turn into ______ ______ crystals during storage
B, intermediate, coarse beta
_____ is an effective antioxidant that is used in many food products to prevent fat from oxidizing and developing off flavors.
BHT
A synthetic hormone to increase milk production is ________.
BST
Which is NOT a pathogen of concern in dairy processing facilities?
Bacillus Cereus
Botulism
Bacterial Source: Canned food and honey caused by the toxin of the bacterium Clostridium botulinum
Salmonella
Bacterial Source: Poultry, Milk and Eggs
E-Coli
Bacterial Source: Raw or rare ground beef, venison, fresh fruits and vegetables can cause kidney failure
Food Intoxication
Bacterial food borne illness that occurs when poisons are produced by bacteria in the food
Food Intoxication
Bacterial food borne illness that occurs when poisons are produced by bacteria in the food.
What release hydroxide ions in water solutions
Bases
Which is held in place by an iron ring on the ring stand?
Beaker
Which of the following statements is true?
Before coagulation occurs, denaturation of proteins is sometimes reversible.
Valid
Believable or truthful
When manually cleaning and sanitizing in a three-compartment sink, the first compartment is for
Cleaning
small needlelike crystals
Beta prime crystals
The liver produces ______________, which helps fat mix with the water in the intestine?
Bile
Waste disposal from food processing facilities can present a hazard if the wastes are not properly handled because of high content of organic matter, which is measured as BOD. BOD stands for
Biological Oxygen Demand
Food science is the discipline of what three components?
Biology, physical science, and engineering
32. Corn, soybeans, and canola improved by _________________ could produce oils that have a better balanced saturated/unsaturated fat content.
Biotechnology
Which BEST describes speeding up generational changes by altering the organisms genetic material?
Biotechnology
_____ is a subject that is helpful in the Food Science field. It involves using biology, genetics, and technology to improve plants, animals, and microorganisms for food production.
Biotechnology
____________________ is a subject that is helpful in the Food Science field. It involves using biology, genetics, and technology to improve plants, animals, and microorganisms for food production.
Biotechnology
Pest control programs should be created for control of insects, rodents and
Birds
Bases, if edible, would taste
Bitter
The process used to inactivate enzymes before foods are frozen
Blanching
4 physical characteristics influenced by the structure of water
Boiling point Freezing point Vapor pressure Heat of Sublimation
Measures distance a food travels in a given time
Bostwick consistometer
Castlebury Foods had a recall of canned foods due to contamination of:
Botulism
Not free to bind to act as solvent for sugars and salts
Bound water
exits tightly chemically bound to compounds, cannot be extracted, closely packed and dense
Bound water (water of hydration or Type 1)
only removes soil
Cleaning
CIP stands for
Cleaning in Place
Wheat with the bran and germ intact
Bread manufacture from _____ can use the term "whole wheat" on the label.
_____ is a scale for relating specific gravity to sugar content in a beverage.
Brix
_____ is the scale used to relate specific gravity of a beverage such as Diet Coke® to sugar content.
Brix
5 factors which measure quality in foods made from F/V
Brix, moisture content, pH or titratable acidity, microbiological factors, and product viscosity
39. Ice cream and pudding are examples of food that may contain alginate, a type of polysaccharide that occurs naturally in ___________________ as a skeletal component of their cell walls.
Brown Seaweed
Who did the food industry target in the 1950s?
Busy housewife
4:0
Butyric
Isomers have a similar number of what three elements?
C,H,O
Compound
Caffeine is an example of a(n) ________.
In the United States, more than one-half of the fresh fruits and vegetables are grown in which states?
California, Florida, and Texas
27. _______________ is a naturally occurring chemical in chili peppers that makes them hot.
Capsaicin
_____ is a vegetable gum added to evaporated milk before processing to stabilize the casein proteins.
Carrageenin
salmonella
Carried by many farm animals. Found in Poultry, eggs, dairy products and produce. Causes diarrhea, abdominal cramps, vomiting and fever.
Food that is dried at too high a temperature during dehydration can become _____ on the outside of the product.
Case Hardened
The protein that coagulates and forms cheese curd in cheddar cheese is
Casein
_____ is a globular protein that is found in milk.
Casein
_____ is a protein found in milk.
Casein
A _____________ is used in the production of high fructose corn syrup, which is a substance that speeds up the reaction rate without being permanently changed or used up itself.
Catalyst
The major diet component for most of the worlds population is
Cereal Grains
3 melting point factors of individual fatty acids
Chain Length Number of double bonds isomeric configuration
Approved sources
Check for USDA inspection stamp; stamps for meat & poultry are mandatory
Pesticides
Chemicals that kill crop-destroying organisms
_____ has complicated production process involving fermentation and roasting resulting in production of more than 300 chemical compounds.
Chocolate
___________________ has a complicated production process involving fermentation and roasting resulting in production of more than 300 chemical compounds.
Chocolate
4. For a food scientist to formulate new products, they must be familiar with ingredients that could be used in a formulation. A food scientist was asked to develop a seasoning using coriander leaves that could be used in Latin American, Asian, and Middle Eastern products. Another name for Coriander leaves is _____________________.
Cilantro
What does saturation or chroma refer to?
Clarity and Purity
___ and ___all equipment and utensils before and after every task.
Clean and Sanitize
Canning of foods is a common process that can safely preserve foods. If canning is done improperly, _________________ can grow and produce a deadly neurotoxin.
Clostridium botulinum
Castleberry's Food Company initiated a voluntary recall of canned chili sauce and meat products dues to the risk of a potent neurotoxin being present from under-processing the canned products. The organism, _____, is responsible for producing this toxin.
Clostridium botulinum
This pathogen is commonly associated with canned foods. A can appearing puffy or bulging could be an indication that the can contains this harmful pathogen and should be discarded.
Clostridium botulinum
_____ is a pathogen that grows under anaerobic conditions and is a concern in canned food products.
Clostridium botulinum
Canning of foods is a common process that can safely preserve foods. If canning is done improperly, _____ can grow and produce a deadly neurotoxin.
Clostridium boutulinum
Which food item is not one of the eight major food allergens?
Cocoa
Since 1963, _____ has helped nations agree on food safety and trade regulation.
Codex Alimentarius
41. Mixing boiling water with gelatin forms a __________________.
Colloidal dispersion
50. __________________ is not a reliable indicator of doneness when ground beef patties are prepared for consumption.
Color
Strongly influences consumer preferences and perceptions of food acceptability
Color
_____ is the complete destruction of all microorganisms, except for some bacterial spores.
Commercial sterilization
The basis of food science is based on what three principles?
Composition of foods Interaction between food constituents Interaction between food and environment
The use of computers in interactive engineering drawing and storage of designs is known as CAD, or ______.
Computer-Aided Design
Opposite of hydrolysis
Condensation
31. The method of heat transfer where heat energy is passed by the collision of molecules is called ______________.
Conduction
A food manufacturer is producing frozen waffles. The waffles are prepared by pouring a batter into a waffle iron and the waffle iron transfers heat by _______________ to the batter.
Conduction
Are needed to determine and judge key quality parameters
Consumers perceptions
Why is lard different?
Contains 37% saturates, but has mostly long-chain fatty acids and is a semi solid
What does oil do to gluten?
Controls its development and toughness because less water contacts the gluten proteins
two reasons for hydrogenation
Convert liquid oils to semisolid or plastic fats Increase the thermal and oxidative stability of the fat and its shelf life
What does a phospholipid contain?
Glycerol backbone, 2 Fatty acids, phosphoric acid, and a nitrogen containing group
_____ is the form of carbohydrates found in meat.
Glycogen
Food Infections
Group of illnesses caused when pathogenic bacteria are eaten along with food.
A chemical reaction in which water is used to split a compound into a simpler compound
Hydrolysis
Two ways in which rancidity may occur
Hydrolytic and oxidative rancidity
48. Acetic acid is a ______________ ingredient.
Hydrophile
Milk is supplemented with Vitamin ___ because it is essential to the growth and repair of bones.
D
While milk is in a holding or storage tank and after it has been adjusted for butterfat content, it is fortified with Vitamin
D
Thaw Law
Defrost foods in the refrigerator, microwave or running cold water. Never defrost foods on the counter.
A food preservation method whereby moisture content is lowered to inhibit growth of microorganisms is
Dehydration
_______________ is a process of preserving food through a combination of partial drying and freezing.
Dehydrofreezing
Foods that have a PH greater than 5.3 are considered to be _______________.
Low-acid foods
The length of time required at a specific temperature to destroy 90% of the microorganisms when processing food is called the _______________.
D-Value
The length of time required at a specific temperature to destroy 90% of the microorganisms when processing food is called the ______________________________.
D-value
26. With the ________________ on a nutrition facts panel, consumers can determine how the nutrients in a food serving fit into what they could consume for the day
Daily Value
Reliable Data
Data that is consistent and repeatable
The _____ on a package of chocolate chip cookies tells the consumer what nutrients are in the product.
Nutrition Facts panel
The transfer of allergens from food containing an allergen to the food served to a customer is known as
Cross-contact
Why is biodiversity used by genetic engineers?
Cultivate a variety of plants and animals
meniscus
Curved surface used to accurately read a graduated cylinder
Coagulation
Denaturation is the first step in the process of protein ______, or when a liquid changes into a soft, semisolid clot or solid mass such as in the process of manufacturing yogurt.
Unsafe Can
Dented, bulging, or leaking
Holding equipment
Designed to keep hot foods hot, not to reheat them.
Two phases of emulsions
Dispersed and continuous
Which is MOST true of all sensory evaluation panels?
Distractions are minimized
Which is MOST true of entry level jobs?
Does not require training or experience
How do phenolics suppress lipid oxidation?
Donating hydrogen atoms to lipid peroxide radicals which interferes with the initiation or propagation of primary oxidation
Ammonia
During the manufacture of crackers, ammonium bicarbonate in the presence of heat produces______, carbon dioxide, and water.
_____ wheat is the type of wheat most commonly used to manufacture pasta.
Durum
The ________ registers or approves the use of pesticide tolerance levels for pesticide levels in food.
EPA
three food sources of lecithin
Egg yolk, sunflowers, soy
Refers to foods ability to be molded, or deformed, after a certain minimum force is applied
Elasticity
________ is a measure of the responsiveness of quantity of a commodity demanded to a change in the market price.
Elasticity of demand
________________ is a heat resistant connective tissue found in meat.
Elastin
_____ are important in the production of foods that contain water and fat, such as mayonnaise or margarine.
Emulsifiers
What two purposes do mono- and di- glycerides serve?
Emulsifiers and replace fat in foods
A mixture of two liquids containing droplets that don't normally blend with each other is called
Emulsion
Food Science is just cooking and food additives. True or False?
False
A discovery by a 19th century economist relating family income with food purchases as a proportion of total expenditures is often referred to as:
Engle's Law
Calibrated
Ensure the accuracy of something; measure, adjust regularly
cook
Ensuring food reaches the correct temperature prior to consumption to ensure all harmful bacteria are killed.
The ________ regulates genetically engineered microbes used in natural pesticides.
Environmental Protection Agency
40. When oxygen reacts with ______________ in freshly cut bananas, the bananas turn brown.
Enzymes
________ is sometimes used as an indicator microorganism which means it can provide an index of the sanitary quality of the product and may serve as an indicator of potential for the presence of pathogenic species.
Escherichia coli
_________________ is a well-known organism in the coliform group and is an indicator of potential fecal contamination.
Escherichia coli
______________________ is a well-known organism in the coliform group and is an indicator of potential fecal contamination.
Escherichia coli
Which nutrient cannot be made by the body and must be obtained from food?
Essential
When and where did the food industry begin?
Europe in the mid 1700s
What three things is food science used FOR?
Feeding the hungry Preventing food-borne illnesses Product development/improvement
Separate
Example: cutting boards for raw meat and veggies keep foods that have bacteria away from foods that are safe
Chill
Example: ice cold foods need to stay cold and perishable items should be refrigerated within two hours.
Clean
Examples: Hands, dishes, counters, and the food
Controlled Experiment
Experiment in which only one variable is changed; everything else stays the same
Irradiation
Exposure of foods to gamma rays or radiant energy to reduce harmful bacteria
33. An ingredient that is GRAS has been shown to be safe under the conditions of its intended use according to the _______________.
FDA
The _____ is the agency responsible for regulating most non-meat food and food products.
FDA
The ________________ has the responsibility for regulating additives that are used in food processing.
FDA
The government agency that created a special class of additives that are generally recognized as safe was the:
FDA
The government agency that has oversight for regulating the safety and quality of seafood is the:
FDA
Fight Bac
FDA's food safety education program; based on 4 points ... 1. clean 2. separate 3. cook 4. chill
_______ molecules can greatly inhibit protein molecules from bonding with each other and with water, leading to the reduction of foam's volume and stability.
Fat
______________________ molecules can greatly inhibit protein molecules from bonding with each other and with water, leading to the reduction of foam's volume and stability.
Fat
Appear solid at room temperature
Fats
The essential nutrient provides the body with its most concentrated source of energy.
Fats
This essential nutrient provides the body with its most concentrated source of energy.
Fats
Which nutrient contains the most calories per gram?
Fats
FDA (Food and Drug Administration)
Federal agency that publishes the Food Code and inspects food service operations that cross state borders.
16. One of the reasons that a company such as Kellogg's would add _____________ to some of their products is that it absorbs water after the food is consumed. This in turn facilitates moving food through the digestive tract which may help prevent colon cancer as well as lower blood cholesterol levels.
Fiber
These products contain many pieces or layers of cooked dough
Flaky
A property of food material and the receptor mechanism of the human body
Flavor
47. ________________ is added to many breakfast cereals to increase consumption of this nutrient which is important to prevent birth defects in the brain and spinal cord.
Folic Acid
Substances or components found in a food or beverage
Food Composition
Mass production of products generated from raw animal and plant matter using principles of food technology
Food Manufacturing
The sum of a product's qualitative and quantitative characteristics that provide consumer satisfaction
Food Quality
FSIS stands for:
Food Safety and Inspection Service
FSIS
Food Safety and Inspection Service. An agency of the USDA responsible for ensuring that the nation's commercial supply of meat, poultry, and egg products is safe, wholesome, and correctly labeled and packaged.
Largest employer in the US
Food Science
35. __________________ means access to enough food for people to maintain an active, healthy lifestyle.
Food Security
the application of food science to the selection, preservation, processing, packaging, distribution, and use of safe food.
Food Technology
FDA stands for:
Food and Drug Administration
The government agency responsible for ensuring that food such as ketchup is safe and wholesome is the:
Food and Drug Administration
The use of food additives in the US is regulated by the:
Food and Drug Administration
Food manufacturing firms involved in interstate commerce are regulated by the____ and subject to state inspection.
Food and Drug Administration (FDA)
FDA
Food and Drug Administration: federal agency regulating food *additives*
3 Functional properties of the food matrix dependent on chemicals
Food flavors, colors, textures
The proteins, fats, and CHOs that are present and contribute to the formation of specific food systems
Food microstructure
Water is an important vehicle for heat transfer in what two activities?
Food processing and food preparation
15. HACCP is systematic, science based process control system for _______________.
Food safety
Time-temperature abuse occurs when
Food that has been held too long at temperatures that all pathogens need to grow (in temperature danger zone)
Adulterated
Food that has been made impure by the addition of improper ingredients
Adulterated
Food that has been made impure by the addition of improper ingredients.
Food Waste
Food waste or food loss is food that is discarded or cannot be used.
FAT TOM
Food, Acidity, Time, Temperature, Oxygen, Moisture
_____ is a scientific term that is used to describe how food feels in the mouth.
Mouthfeel
25. During the manufacture of many breakfast cereals, B vitamins are added to the formulation to achieve a specific dietary purpose since they are not normally found in this food.
Fortification
The process of adding nutrients to a food is known as:
Fortification
Lightly bound, free to pass, important for water activity
Free Water (Type 3)
If a food product undergoing slow freezing is improperly wrapped, the airflow past the food will increase water loss from the frozen product into the air. This could result in __________ on the product surface.
Freezer burn
_____ is caused by moisture loss from a ham that is exposed to air during frozen storage, possibly as a result of loose packaging.
Freezer burn
Caused by moisture loss from food when food is exposed to air in a freezer.
Freezer burn is ________.
46. In the manufacture of popsicles, what phase change would a liquid sugar solution go through to become a solid?
Freezing
What are the top three criteria used to describe quality in consumer studies?
Freshness, Appearance/color, good taste
A food scientist is developing a new product and needs to use a sugar that is not only the sweetest, but also the most soluble from an available list of sweeteners that they have in their product development lab. To meet these criteria, which of the of the following sweeteners would you recommend that they use?
Fructose
________ caramelizes at 110 degrees Celsius.
Fructose
Ripe ovary and surrounding the seed
Fruit
4 Largest markets for edible oils
Frying, margarine, spreads, bottled oils
Major program(s) used by food processors to assure foods aren't contaminated during processing is (are):
GMPs and HACCP
_____ is an acronym for a special list of additives that contains substances such as spices, natural seasonings, and flavorings that are considered safe for human consumption and not regulated as additives.
GRAS
28. ______________ is a corrosion resistant surface that should not be used for direct food contact in a food production environment because it can discolor certain foods and is highly reactive with acids.
Galvanized Iron
2. Unflavored ________________ is polar molecule derived from animal protein used to stabilize liquids in food manufacturing and can bind 100 times its weight in water.
Gelatin
Food ingredients that are GRAS, also known as _____, are considered safe for human consumption.
Generally Recognized as Safe
The FDA has complied a list of over 600 ingredients considered safe and are not designated as additives. This list is called the _____ list.
Generally Recognized as Safe
GRAS List (what the initials stand for)
Generally Recognizes As Safe: list of additives considered to be safe and legal to use (over 680)
In grains, the _________ is the portion of the kernel that contains the embryo of a future plant, as well as the lipid or oil.
Germ
Trade Off
Giving up one thing for another
Refers to the temperature at which a change in the physiochemical state an mobility of water and polymer constituents of food occurs
Glass transition temperature
Monosaccharides
Glucose, Fructose, Galactose
An elastic, stretchy protein found in wheat is known as
Gluten
What is a vitamin deficiency disease that can be prevented with the use of iodized salt?
Goiter
FDA
Government agency that monitors food safety be regulating the use of additives
Which is used when an exact measurement is needed?
Graduated cylinder
The great advance in world food production in the 1960s was called the ________.
Green Revolution
Food Infections
Group of illnesses caused when pathogenic bacteria are eaten along with food
Identifying critical control points is an important principle of:
HACCP
The preventative food safety concept called _____ has seven principles.
HACCP
This system that was developed for NASA is utilized by FSIS to prevent foodborne hazards. This system is?
HACCP
__________ is (are) a systematic, science based process control system for food safety that serves as the basic structure of a preventative system to produce safe foods.
HACCP
_______________ is (are) a systematic, science based process control system for food safety that serves as the basic structure of a preventative system to produces safe foods.
HACCP
HACCP
Hazard Analysis Critical Control Point: Process-control system developed for NASA that focuses on "critical control points."
HACCP (what the initials stand for)
Hazard Analysis Critical Control Points - 7 point system developed by each food company to create its own food safety program
The manner in which heat energy is transported from a food's surroundings to the surface and interior of a food
Heat transfer
8 Functions of fat in foods
Heat transfer, emulsions, prevents stickiness, lubricant, contribute to tenderness, contribute flakiness, add or modify texture, aerate batters and dough
Pasteurization
Heating food to high temperatures for a period of time to prevent microbial growth.
Why is coconut oil different?
High level of saturation, but short chain
3 Characteristics of Oils
High liquid to fat crystal ratio Unsaturated Shortens strand of protein by coating the platelets
23. HTST milk refers to the use of _____________ procedures for the production of this product
High temperature, short time
Process of adding hydrogen to unsaturated fatty acids to reduce the number of double bonds
Hydrogenation
Potentially hazardous foods ( TCS: Temperature Control for Safety Foods)
High-protein, low acid foods that can support rapid growth of infectious or disease causing microorganisms: milk/milk products, shell eggs, meats, baked or boiled potatoes, tofu/soy products, raw seed sprouts (alfalfa or bean sprouts).
______ water activity supports microorganisms
Higher
13. A company that manufactures bread should use hard wheat flour rather than soft wheat flour because the hard wheat would have a ________________.
Higher protein to starch ratio
Actual color name, a particular gradation of color, a shade, or tint
Hue
This method provides the user with a number that correlates to the color perceived by the instrument
Hunter lab colorimeter
Measures light reflected from food
Hunterlab colorimeter
The process by which water molecules surround and interact with solutes by acting as a solvent
Hydration
The unit used for measuring length in the metric system is the meter but in the english system the unit that measures length is the:
INCH
29. The major objective of _______________ is to control pests economically through environmentally sound techniques in a food processing facility.
IPM
A food that contains a potential allergen is
Ice Cream
tough product with tunnels would occur due to overdevelopment of gluten.
If a commerical manufactuer of prepared muffins stirred the batter to long prior to baking, a _______.
Casein
If an acid is added to milk lowering the pH to about 4.6, the _____breaks down and forms lumps called curds.
7. Sensory evaluation panels that use discrimination tests are obtaining information about products to describe ______________________.
If the products are different
Trichinosis
Illness caused by a parasite found in pork that is undercooked
Department of Health and Human Services Food and Drug Administration.
In the U.S., milk is regulated by the _______.
The process in which free fatty acids with the desired degree of saturation and carbon length are added to a mixture of TGLs to develop fats with the desired melting and/or smoke point
Interesterification
Hydrogenated fats
Incorporate air into a mixture. Finished products may be flaky, but not as flaky as with lard
IF a food scientist encourages a local community to raise cattle instead of crops, the MOST likely objective is to:
Increase the protein and minerals in the local diet
Bacteria
Infectious disease-causing agents or pathogens.
In what 2 ways is food quality measured?
Instrumental and sensory panel
Using biological controls for effective pest management is called IPM, which stands for
Integrated pest management
Which practice is central to sustainable agriculture?
Integrated pest management
The range from lightness to darkness for the color
Intensity
What two things does a Hunterlab colorimeter detect?
Intensity and hue
What bond is the bond formed by the transfer of electrons between atoms?
Ionic
Where is water as a plasticizer found?
Low moisture and frozen foods
________ is a common term for the osmotic process that causes some water-soluble components in vegetable to leave the vegetable for the surrounding medium during the canning process.
Leaching
Vegetables
Leaf, stem, root, shoots, flowers, or stems
A company is formulating a high quality ice cream and wants to use milk from a breed of cow that will provide the highest percentage of butterfat in its milk. Which breed of cow should be used?
Jersey
Serving
Keep hot foods hot, cold foods cold, never leave Potentially Hazardous foods at room temperature longer than 2 hours, hot foods above 135F, cold foods below 41F, designated utensils for each item, keep batches of food items separate, put out small amounts of product on buffet at a time, replenish as needed, products served to guests should not be reused.
A lipoprotein is a large, complex molecule of lipids and proteins, and it carries lipids in the blood. A high level of this particular lipoprotein indicates an increased risk of heart disease
LDL
Sourdough bread has a unique flavor that is due to the presence of:
Lactobacillus
The characteristic flavor of sourdough bread is from the microorganism called
Lactobacillus
_____ reacts with amino acids when milk is heated to contribute to the tan color and slightly caramelized flavor of cooked milk products.
Lactose
Forms a desirable flaky product
Lard
12:0
Lauric
8. ______________ is a common term for the osmotic process that causes some water-soluble components in vegetable to leave the vegetables for the surrounding medium during the canning process.
Leaching
_____ are substances added to baked goods, such as cakes, to help them lighten or rise during baking.
Leavening agents
Camellia
Leaves from the tea plant, which is part of the ______ family, grow in a wide range of climates and are used to make tea.
Commonly used phospholipid in foods
Lecithin
It has a polar end that is attracted to water and a non-polar end that is attracted to oil
Lecithin is an emulsifier because
Edible seeds and pods
Legumes
3 properties that define a fat
Length of fatty acid side chain Position of fatty acid on glycerol backbone Degree of saturation
When a food is labeled "Calorie Free," this means that the food has:
Less than 5 calories per serving
L
Lightness, 0 = absolute black, 100=absolute white
Good heat transfer medium
Lipids
______________________ is an environmental pathogen that can contaminate ready-to-eat products. If a contaminated food is consumed, it may be up to eight weeks before the onset of illness.
Listeria
Hot dogs, cold cuts, and soft cheeses are ready-to-eat foods that have been known to be responsible for foodborne outbreaks due to _____. This organism can survive at greater temperature extremes than most other organisms.
Listeria monocytogenes
Symptoms of this foodborne illness include fever, nausea, and vomiting. It primarily affects pregnant women and their fetuses. This pathogen is ______________
Listeria monocytogenes
______ is an environmental pathogen that can contaminate ready-to-eat products. If a contaminated food is consumed, it may be up to eight weeks before the onset of illness.
Listeria monocytogenes
Edible flesh and organs of animals and fowls
MEat
A food chemist conducting research in a laboratory must know how to use all chemicals properly and keep an ____________ for each chemical in the lab that describes the safe use of the chemical and steps to take in case of an accident.
MSDS
_____is a sheet containing information about the safe use of a chemical and the steps to take in case of an accident
MSDS
____ is a flavor enhancer that some processors are removing from products to create a clean ingredient statement. While it is an FDA approved ingredient, it also occurs naturally in some foods like mushrooms.
MSG
__________________ is a flavor enhancer that some processors are removing from products to create a clean ingredient statement. While it is an FDA approved ingredient, it also occurs naturally in some foods like mushrooms.
MSG
The color of maple syrup is the result of a _____ between a monosaccharide and an amino acid normally found in the sap of the maple tree.
Maillard reaction
Vitamin A
Males: 900 ug/d Females: 700
Maltose
Maltase in yeast cells acts as a catalyst for the breakdown of ______ to simple sugars in the process of making yeast bread.
Disacchardies
Maltose, Lactose, Sucrose
viscosity changes with change of shear
Non-newtonian
24. Food chemists must have MSDS or __________________ sheets accessible for all chemicals stored in their lab
Material Safety Data Sheets (MSDS)
Condition of development of fruit when picked at or just before the ripened stage
Maturity
Are triglycerides liquid or solid at room temperature?
May be either
An index of the force of attraction between molecules
Melting points
30. A food scientist is conducting a study that involves measuring the volume of a liquid using a graduated cylinder. The volume of liquid is read from the _________________.
Meniscus
Food scientists commonly use the metric system when developing products. In a 10 pound product test batch, 3.17 oz of salt is used. The volume of liquid is read from the _____.
Meniscus
The color of ground beef color changes from bright cherry red to brown or ____________ when packaged in an oxygen permeable package.
Metmyoglobin
When ground beef that is packaged in a Styrofoam tray and covered in plastic wrap is stored under refrigeration for several days, the color changes from bright cherry red color to brown or:
Metmyoglobin
_____ is formed when the myoglobin in meat becomes oxidized and turns brownish in color.
Metmyoglobin
______________ is formed in meat as naturally present enzymes use up available oxygen causing the meat to become brown in color.
Metmyoglobin
________________ is formed in meat as naturally present enzymes use up available oxygen causing the meat to become brown in color.
Metmyoglobin
Viruses
Microorganism ~ cause of food borne illness, need living host to grow, can survive for short time on door handles, etc..., can be resistant to extreme heat/cold
Spores
Microorganisms in a dormant, inactive or resting state
Spores
Microorganisms in a dormant, inactive or resting state.
O = Oxygen
Microorganisms that need oxygen are called aerobic; microorganisms that are anaerobic (absence of oxygen) don't need oxygen to grow ~ Botulism; home canned items can NOT be used in food service
Oldest technology that developed and when
Milling of cereal grains into flour and baking unleavened bread, 10,000 BC
The portion of a label found on food packages that presents nutritional information is called:
Nutrition Facts
Which of the following is not a type of microorganism?
Mitochondria
Contains 2 or 3 different fatty acids
Mixed Triglyceride
_____ is a packaging technology used for some vegetable, meat, and potato products that creates a specific gaseous environment so the food product has a longer shelf life.
Modified atmosphere packaging
The amount of water present in a food, as a component, relative to all the solid constituents
Moisture content
Potassium sorbate is a common food additive that functions as a ______
Mold Inhibitor
Three things the type of crystalline form depends on
Molecular Structure Composition of the lipids Environmental conditions during crystallization
Glucose is an example of a __________________.
Monosaccharide
Aflatoxin
Mycotoxin produced by molds in some food crops ex. peanuts grown in mold-contaminated soil OR stored in a damp place (grows mold)
Fat
ND
A consumer concerned wanting information about the irradiation of foods should contact:
NRC
Solanine
Natural toxin found in the green portion under the skin of a potato.
18. When sodium nitrate is added to the formulation to manufacture a frankfurter, the thermally processed frankfurter color is pink due to the formation of _________________.
Nitrosohemochrome
Does interesterification alter the fatty acids?
No
About 50% of all outbreaks of food-related illnesses are caused by ____________ and is commonly spread by food handlers.
Norovirus
About 50% of all outbreaks of food-related illnesses are caused by _______________ and is commonly spread by food handlers.
Norovirus
Allergens
Number of people in the United States with food allergens is increasing. Food allergy is the body's negative reaction to a food protein. People with allergy may get sick or die from a triggering allergen. (Milk & Dairy, Eggs, Fish, Shellfish, Wheat, Soy, Peanuts, Tree nuts
The nutrition label found on many food packages is called:
Nutrition Facts
4 Measurements of Food Quality
Objective, Subjective, Microbial, Nutritional
What 5 things of a product is influenced by water activity?
Odor, color, flavor, texture, shelf life
Milk emulsion
Oil in water
14. The essential fatty acid, alpha-linolenic acid, is also considered an ________________ which may reduce the risk of coronary heart disease.
Omega 3 fatty acid
Salmon, herring and tuna are good sources of_________: which have been shown to improve heart health, reduce hypertension and aid in cancer prevention.
Omega 3 fatty acids
Which of the following products would NOT contain trans fat?
Oreo cookies made with canola oil
_____ flourish in environments of high osmotic pressure, or low water activity, and are responsible for spoilage of dry fruits, fruit juices, and maple syrup.
Osmiophilic yeasts
In making ice cream, large amounts of air are incorporated into the mixture to increase the volume of the product. The percent increase in volume is known as _____________.
Overrun
Addition of oxygen
Oxidation
______ and ______ reactions involve electron transfers
Oxidation, reduction
______________ is the spoilage of lipids or lipid material through the chemical bonding of oxygen to unsaturated sites of fatty acids.
Oxidative Rancidity
Predominate type of rancidity
Oxidative or autoxidation
____________________ is the spoilage of lipids or lipid material through the chemical bonding of oxygen to unsaturated sites of fatty acids.
Oxidative rancidity
Extrinsic factors are environmental factors that affect the growth rate of microorganisms. All of the following are extrinsic factors except ____________.
PH
What is used to match color to standardized colored tiles or pictures?
Pantone color swatches
___ need to live in a host to survive
Parasites
_____are organisms that derive nourishment and protection from other living things known as hosts. Toxoplasma gondii is one such organisms that causes many deaths and hospitalizations in the US
Parasites
____ denatures enzymes that cause milk to spoil.
Pasteurization
_____ is a heat treatment that destroys all pathogens but does not destroy all spoilage organisms.
Pasteurization
________________________ denatures enzymes that cause milk to spoil.
Pasteurization
Denature enzymes
Pasteurization of milk will______?
____________________ is a mycotoxin that is a potential chemical hazard in apples and apple products.
Patulin
_____________________ is a mycotoxin that is a potential chemical hazard in apples and apple products.
Patulin
_____ is one of the top 8 foods that account for 90% of food-allergic reactions.
Peanut
The Substance used to form a gel in jams and jellies is
Pectin
_____ is a carbohydrate in some fruits that has the ability to form gels.
Pectin
A product like eggs is considered to be--- because in the normal course of storage, distribution, or retailing, the product is subjected to refrigeration, including freezing, for the purpose of preserving freshness and shelf life.
Perishable
In 1810, an Englishman named _____ patented the tin canister, or can, which became the most popular container for food preservation through canning.
Peter Durand
Natural antioxidants
Phenolics such as in rosemary oil
Which of the following is not an essential amino acid>
Phenylthaline
A consumer finds a piece of plastic in their yogurt cup. This piece of plastic is an example of a ______________ hazard.
Physical
The study of matter and energy and is concerned with the physical changes that matter experiences under certain circumstances
Physics
Which branch of science is MOST often used in food science?
Physics
________________ is a common process used in the food industry that involves the addition of salt, sugar, and vinegar to vegetables to lengthen their shelf life.
Pickling
_________________ is a common process used in the food industry that involves the addition of salt, sugar, and vinegar to vegetables to lengthen their shelf life.
Pickling
19. Early explorers fed food to _______ to determine if the food was potentially safe for human consumption.
Pigs
Perception of texture
Placed into mouth Initially bitten into Pushed by the tongue against the palate Chewed by the teeth with the action of the tongue and oral muscles Eventually swallowed
Shows continuous deformation with the application of stress, but has some shape recovery when removed
Plasticity
Interesterified or hydrogenated vegetable shortening that can be easily creamed
Plasticized fats
Toxin
Poisons produced by microorganisms growing in your food
______ allows water to interact with itself by forming ______ bonds
Polarity, hydrogen
Cholesterol is present in
Pork and Beans (SALT!!!!!!)
_________ is the use of a process to allow a substance or food to keep its useful properties for a longer than normal period.
Preservation
Antioxidants perform all of the following except:
Prevent protein degradation
What two functions do tocopherols have as antioxidants?
Prevents rancidity and source of Vitamin E
Which BEST describes a theory?
Probability
HACCP
Process-control system developed for NASA that focuses on "critical control points"
Modified atmosphere packaging
Product that is contained in a MAP package means that it is packaged in ______.
40 degrees F. or below
Proper temperature of refrigerator.
43. Collagen is a ________________ found in connective tissue of animals that can by solubilized and dried to form a powder used in gelatin.
Protein
The Proximates
Protein, Fat, Carbs, Water, Ash
Composition of legumes and nuts is based largely on what three things?
Protein, fat, fiber
_____ are commonly used to break down protein in the production on cocoa and chocolate for candy and other products.
Proteolytic bacteria
_______________________ are commonly used to break down protein in the production of cocoa and chocolate for candy and other products.
Proteolytic bacteria
42. A product development team is developing a new product. What would be the usual order for taking the product from concept to production?
Prototype--Bench top formation--pilot plant formation--full scale production
Danger Zone
Range of temperatures where bacteria are likely to grow (40 degrees F to 140 degrees F)
Temperature Danger Zone
Range of temperatures where bacteria are likely to grow(41 degrees F-135 degrees F)
What is the element or compound present at the start of the reaction?
Reactant
RDA stands for
Recommended Dietary Allowances
Anthocyanins will create _______ colors in certain foods.
Red and Blue
A
Red-green axis
Gain of hydrogen
Reduction
Deodorized oils
Removal of odors by heat and vacuum or by adsorption onto charcoal
_____ is a proteolytic enzyme that is used to coagulate milk to make cheese.
Rennin
Moisture
Required for Pathogens to grow
Which food scientist would focus MOST on developing new products?
Research and design specialist
A bacteria that can contaminate poultry products and cause foodborne illness in humans is ________.
Salmonella
5. Large pressure canners used for commercial canning are called ____________.
Retorts
34. The detection of an odor when it is released from food in your mouth during chewing, exhalation, or swallowing is called __________________ olfaction.
Retronasal
The science that is concerned with the flow and deformation characteristics of a food
Rheology
_____ is needed to metabolize protein and for tissue repair. It can be found in broccoli, beef liver, and asparagus.
Riboflavin
_____________________ is needed to metabolize protein and for tissue repair. It can be found in broccoli, beef liver, and asparagus.
Riboflavin
When manually cleaning and sanitizing in a three-compartment sink,the second compartment is for
Rinsing
FIFO (First in First Out)
Rotate refrigerated, frozen, dry foods during storage Identify food item's use-by expiration date Store items with the earliest use-by or expiration dates in front of items with later dates Once shelved, use those items stored in front first.
The yeast used in making bread products is:
Saccharomyces cerevisiae
What reduces, but not necessarily eliminates, microbial contaminants on surfaces to levels that are considered safe from a public health standpoint?
Sanitizer
When manually cleaning and sanitizing in a three-compartment sink, the third compartment is for
Sanitizing
reduces microorganisms on a surface to safe levels.
Sanitizing
_____ is a required component that must be included on Nutrition Facts panel found on most food products.
Saturated fat
Quality decline in stored, respiring fruits and vegetables that occurs after harvesting
Senescence
What are food composition tables based on
Serving sizes- weight volume, or obvious basis
The HACCP system for preventing hazards in food processing and ensuring food safety has the following number of steps:
Seven
________ is more difficult to measure
Shape
4 properties of covalent bonds
Share 1 or more pairs of electrons Very stron C-C or C=C Bound water in food
49. A product that is capable of being stored at room temperature for a prolonged or indefinite period of time with little deterioration in quality is a _________________ product.
Shelf Stable
Contains 3 identical fatty acids
Simple triglyceride
Yeast
Single celled microorganism needing a moist environment with a pH of 4-6.5 & a temperature between 20-38 C can form spores if conditions get to harsh
Yeast
Single celled microorganism needing a moist environment with a pH of 4-6.5 & a temperature between 20-38 C can form spores if conditions get to harsh.
First identified viscosity as the tendency of a fluid to resist any internal motion
Sir Isaac Newton
________ is easily measured
Size
What size crystals are desirable if a fat contributes aeration to a food?
Small
_____ is an alternative name for baking soda.
Sodium bicarbonate
_____ is an ingredient used in cured meat that inhibits the growth of Clostridium botulinum.
Sodium nitrite
Curing agent
Sodium nitrite is added to some meat products as a ______.
What substance do potatoes contain which can cause severe reactions in people?
Solanine
Which is NOT a method of heat transfer?
Solar
________ is defined as individual cells of crop plants exhibiting desirable characteristics, which are selected and grown into mature plants.
Somaclonal variation
Oxygen
Some bacteria need it to grow while some do not.
Flavor is sensed by taste buds which are located on parts of the tongue. The taste buds on the sides of the tongue respond to what flavors?
Sour
Botulism
Source: Canned food and honey caused by the toxin of the bacterium Clostridium botulinum
E-Coli
Source: Raw or rare ground beef, venison, fresh fruits and vegetables can cause kidney failure
Listeria
Source: Raw/unpasteurized dairy products, soft cheeses, meat, and ready to eat foods potentially serious illness to infants and the elderly.
Measures the absorbance or transmittance of color in liquid samples at a specific wavelength that passes through a sample
Spectrophotometer
Used to detect amount of light absorbed in liquids
Spectrophotometer
rancidity
Spoilage caused by breakdown of fats
The difference between spoilage microorganisms and pathogens is
Spoilage microorganisms cause food to smell bad or taste bad. Pathogens are silent but may be deadly.
38. __________________ is a microorganism that is found on the skin of many people and can form a heat stable toxin in temperature abused food.
Staphylococcus aureus
_____ is a microorganism that can cause a foodborne intoxication.
Staphylococcus aureus
_____ is a microorganism that may be found in the body's nasal passages and on the skin. If perishable food contaminated with this organism is allowed to sit at room temperature for an extended period of time, this organism produces a toxin that causes foodborne illness.
Staphylococcus aureus
_________ causes a food intoxication and the toxin is not destroyed by heating a food.
Staphylococcus aureus
__________________ produces a heat stable toxin so even prolonged heating doesn't destroy this toxin if present in food.
Staphylococcus aureus
What is the most important when looking at quality of F/V?
State of ripeness
Which is NOT a source of ionizing radiation available for the treatment of food?
Steamed Water
44. Which of the following items would NOT be considered a physical hazard in a food product?
Strand of hair
A change from the solid phase directly into the gas phase is called.
Sublimation
Freeze drying
Sublimation is induced in a method of food preservation called ______.
9. Frozen carbon dioxide is preferable for pre-cooling some food products because it does not go through a liquid state, but goes from a solid state to a gaseous state in a process in a process is known as
Sublimination
In the Maillard reaction, reducing sugars react with the amino acid lysine. All of the following are examples of reducing sugars, except __________.
Sucrose
_____ is a nutritive sweetener because it produces calories when it is metabolized in the body.
Sucrose
_____ is a process used to prevent browning in fruit and light colored vegetables.
Sulfating
__________________ is a pretreatment for dehydration that stops enzyme activity, but extends drying time due to water absorbed by food during soaking pretreatment.
Sulfiting
______________________ is a pretreatment for dehydration that stops enzyme activity, but extends drying time due to water absorbed by food during the soaking pretreatment.
Sulfiting
tastes
Sweet, sour, bitter, salty
_____ is an example of a pure substance.
Table salt
Food and Agricultural Organization
The _______ was established in 1944 by the United Nations with the objectives of eliminating hunger and improving nutrition worldwide.
Maillard browning
The aroma and color of pancakes come from a chemical reaction known as ______.
Optimum Growth
The best conditions under which something grows.
sensory evaluation
The human analysis of the taste, smell, sound, feel, and appearance of food.
Purple
The color of fresh meat before it becomes oxygenated is _____.
LD50 represents:
The concentration of a chemical at which half of the test animals die
_____ is required, by law, to be on all food labels.
The ingredient statement
FSIS
The food safety squad of the USDA
2,000
The percent daily value recommendation on a nutrition facts label is based on a _______ calorie daily diet.
Preventive Controls for Human Food
The meat industry is mandated to have HACCP while FDA commodities other than juice or seafood are mandated to have__________ plans for food safety.
Higher, lower
The more solute present in a solution, the ________ the boiling point and the _____ the freezing point will be.
What three things is food science used to study?
The nature of foods The causes of their deterioration The principles underlying food processing
Trials
The number of times an experiment is repeated
Cross Contamination
The process by which bacteria is unintentionally transferred from one food or object to another.
_____ is (are) required by law to be on al food labels.
The quantity
Consistency of plastic facts is dependent on what?
The ratio of solid to liquid TGI
A _____ is an explanation based on a body of knowledge gained from many observations and supported by the results of many food science experiments.
Theory
The study of heat and other forms of energy, which seeks to explain the properties of matter such as the solid or liquid state of food
Thermodynamics
Why are plastic facts moldable?
They have liquid and solid crystals in a two-phased system, containing solid fat surrounded by oil
Meat tenderizer
Three enzymes which come from papaya fruit are diluted with salt to make a dry powder that can be used as a _____.
Inhibit
To hold back; prevent
Beef brain
To reduce the risk of BSE in the U.S. food supply, ______ is not permitted in human food products or dietary supplements.
Important minor constituent of most vegetable oils
Tocopherols
95% of fats found in foods
Triglycerides
The regulatory agency involved with meat and poultry inspection is:
USDA- US department of Agriculture
Denaturation
a process that changes the shape of a protein molecule without breaking its peptide bonds
A foodborne disease outbreaks occurs when ______ or more people develop the same illness after consuming the same food.
Two
11. Maltose, a disaccharide found in cereals sprouting grain consists of _________________.
Two glucose units
4 Factors affecting tenderness and flakiness of a food product
Type of fat or oil used Fat concentration Degree of manipulation Temperature
Milk aseptically processed and marketed in a box that can be stored without refrigeration for three months or more if unopened is called _______________ milk.
UHT
FAO
UN organization that wants to eliminate hunger & improve nutrition worldwide.
The government agency responsible for ensuring that meat and poultry are safe and wholesome is the:
USDA
_____ is a taste component that is best describes as savory, pungent, deliciousness, or musty.
Umami
Amino Acids
Umami is found in a food and beverages that are high in _______?
Pathogen reproduction rate
Under the right conditions, pathogens are capable of doubling every 20 minutes.
When animals are harvested at a meat processing facility, mandatory antemortem and postmortem inspection is conducted by the
United States Department of Agriculture.
The label on Red Bull Energy beverages must meet the requirements of the _________ for labeling.
United States Food and Drug Administration
A solution that contains less solute than can be dissolved in it at a given temperature is called a _____ solution.
Unsaturated
3 properties of oils at room temperature
Unsaturated Shorter chains Lower melting points
12. A food scientist would ______________ to draw a general conclusion from specific facts or experiences.
Use inductive reasoning
Two ways to prevent autoxidation
Vacuum packaging, and colored glass
_________ is an economic term for the transformation that occurs in a product from raw material to finished product.
Value-added
When vapor molecules have escaped from the liquid state and exert a pressure on the surface of the liquid
Vapor pressure
How is water activity measured?
Vapor pressure of food/ vapor pressure of pure water at the same temperature
Which BEST describes factors that can change in an experiment?
Variables
___ are the leading cause of foodborne illnesses
Viruses
Foods that exhibit both elastic and viscous properties such as dough
Viscoelastic
What are the 3 rheological properties?
Viscosity, Elasticity, and Plasticity
Which of the following vitamins must be declared first on a nutritional label for a food product?
Vitamin A
_____, in the form of carotene, is found in large amounts in carrots, sweet potatoes, and apricots.
Vitamin A
The fat soluble vitamins include:
Vitamin A, D, E, K
Ascorbic Acid
Vitamin C
A substance that is easily changed into a vapor is:
Volatile
#1 ingredient in many foods
Water
The most commonly used medium for heat transfer
Water
______ is a polar covalent compound commonly referred to as the universal solvent.
Water
________________________ is a polar covalent compound commonly referred to as the universal solvent.
Water
Low moisture foods contain low ______, which reduces the chance of microbial spoilage.
Water Activity
A measure of the availability of water molecules to enter into microbial, enzymatic, or chemical reactions
Water activity
Butter emulsion
Water in oil
Composition of a beverage is largely based on what 3 things?
Water, Brix, acid
Composition of milk is based largely on what four things?
Water, Fat, Protein, Carbohydrate
Composition of fruits and vegetables is based largely on what 5 things?
Water, Sugar, Phytochemical, Dietary Fiber, and other health benefits
Composition of meat is based largely on what three things?
Water, fat, protein
Composition of eggs is based largely on what three things
Water, protein, fat
22. It is important for food scientists to be aware of where to source ingredients for food products. Approximately three quarters of the worlds supply of cocoa comes from ________________.
West Africa
Most of the world's supply of cocoa comes from:
West Africa
Osteoporosis
a condition caused by a calcium deficiency which results in porous, brittle bones and a loss of bone density
Incomplete protein
a protein lacking one or more essential amino acids
When does hydrolytic rancidity occur?
When TGIs react with water and free their fatty acids from glycerol and break down into volatile secondary products with off flavors and odors
Colder temperature
When carbon dioxide is dissolved in a liquid such as carbon dioxide in a carbonated soda, the carbon dioxide is more soluble under _____.
The specific heat of water is higher than that of oil
When equal amounts of water and cooking oil are placed in matching containers over identical heat sources, the temperature of the cooking oil will increase much faster than water because_________.
Enzymes
When oxygen reacts with ____ in freshly cut bananas, the bananas turn brown.
What is a by-product of cheese manufacture and can be used in a variety of foods?
Whey
Gelling agent
Which of the following is not a function of fat in a food?
Vitamin K
Which of the following is not a water soluble vitamin?
Fructose
Which of the following sugars is considered to be the sweetest?
Cocoa butter
White chocolate contains _______.
Oils are pretreated to control undesirable cloudiness
Winterization
Some oils become cloudy when stored in a refrigerator. Because of this, many oils are _________ to precipitate saturated fatty acids.
Winterized
What factor improved public opinion regarding cake mixes?
Women working in WWII
The advent of large scale food dehydration began during:
World War I
____ can cause signs of spoilage, including discoloration, slime, bubbles, and odors on refrigerated foods such as jams.
Yeast
B
Yellow-blue axis
Acetic acid
_____ bacteria are used for fermentation in the vinegar making process.
Sucralose
_____ is an artifical sweetener that is a chlorinated sucrose derivative, is not absorbed by the body when consumed, and does not break down with heat so it can be used in baked products.
Food defense
_____ is the protection of food products from intentional adulteration by biological, chemical, physical, or radiological agents.
Anthocyanins
______ is (are) a water soluble pigment found in blackberries, blueberries, and other fruits and vegetables, and turn red in acid solutions.
Listeria Monocytogenes
______ is a pathogen that has the potential to contaminate ready to eat foods by contaminating the food after processing and before packaging, and was responsible for a recent recall with Eggo waffles.
Gluten
______ is a protein formed from glutenin and gliadin found in wheat.
Cellulose
______ is the main plant fiber found in food and is polymer made of a form of glucose called beta- D- glucose
Bioluminescence
_______ is a method that measures ATP by its reaction with the luciferin- luciferase complex to provide an indication of the microbial load on the surface of food processing equipment.
Lactase
_______ is an enzyme that converts milk sugar into glucose and galactose.
Denaturation
_______ is the change of a protein's shape under stress, such as when egg whites are beaten to form a foam.
Coconut
________ is considered an allergen that would require labeling on a food product in the U.S.
Mycotoxins
_________ are compounds or metabolites produced by molds that are toxic or have other adverse biological effects on humans.
During bread-making production, water is mixed with flour to form _________ from wheat proteins
a
_________ increase the effectiveness of a cleaner in a food production facility by controlling properties of the cleaning solution that tend to reduce a surfactant's effectiveness
a
to measure a product temperature after thermal processing, a food technologist would use a _______________ thermometer
a
poison control center
a 24-hour hot line that provides emergency medical advice on treating poisoning victims
Listeria
a FBI that can have negative effects on pregnant women and is often found in lunch meat and hot dogs.
Campylobacter
a FBI, often associated with raw or under-cooked chicken. This is why is it NEVER recommended to rinse chicken prior to cooking.
Salmonella
a FBI, often associated with raw or under-cooked eggs. This is one of the reasons why it is never recommended to eat raw cookie dough.
e.coli
a FBI, often associated with raw or under-cooked ground beef.
Clostridum perfringens
a FBI, often called the "food service germ" as it is caused by temperature abused foods. Many people experience symptoms for 24 hours.
Delaney Clause
a clause in the Food Additives Amendment mandating that *additives* shown to cause *cancer* at any level, must be REMOVED from the market place
Sugar is considered ______________________________.
a compound
Colorant
a pigment used to impart color to a food or beverage
Norovirus
a contagious gastrointestinal illness often called the "cruise ship virus". It is spread from one infected person to the other often by contaminated food or surfaces.
Microwave oven
a cooking device which uses invisible waves of energy that cause water molecules to rub against each other and produce heat which cooks the food
Appetite
a desire to eat
Aspartame, a common low-calorie sweetener used in beverages such as Diet Coke™ is __________________________.
a dipeptide consisting of aspartic acid and phenylalanine
Deficiency disease
a disease caused by the lack of a specific necessary element in the body; examples include pellagra, rickets, anemia, goiter, kwashiorkor, night blindness and osteoporosis
food code
a document that is updated frequently to reflect new findings about keeping food safe
Initiation of autoxidation
a hydrogen on a carbon atom adjacent to one carrying a double bond is displaced to give a free radical
Calorie
a measurement of the amount of energy produced when food is burned by the body; in science, it is the amount of energy needed to raise the temperature of 1.0 g of water 1.0 degrees Celsius
Fallacy
a mistaken belief
Saliva
a mucus and enzyme-containing liquid secreted by the mouth that begins to break down starches and makes food easier to swallow
Interesterification
a rearrangement or recombination of fatty acids from a triglyceride
Polypeptide
a single protein molecule containing ten or more amino acids linked in peptide chains
Intoxication
a toxin is formed by the microorganism prior to ingestion
Carotenoids in pumpkins are considered _________ because they have antioxidant properties and may reduce cancer risk.
a type of phytochemical
Water soluble vitamin
a vitamin, specifically vitamin C or one of the B complex vitamins, that dissolves in water; are not stored in the body
Warranty
a written promise by a manufacturer that a product will meet specified standards of performance
Energy guide
a yellow tag that is displayed on all newly purchased major appliances which shows an estimated, yearly energy usage for the product
The four types of microorganisms that can contaminate food are:
a) Bacteria b) Viruses c) Parasites d) Fungi
Five common risk factors responsible for foodborne illness are:
a) Buying food from an unsafe sources b) Holding food at improper temperature c) Failing to cook properly d) Using contaminated equipment e) Poor personal hygiene
Ways an employee can contaminate food are
a) Have a foodborne illness b) Vomiting or Diarrhea c) Uncovered, infected wounds on hands or arms d) If they touch anything that can contaminate hands e) May be carrying foodborne pathogens and look healthy
Personal hygiene can contaminate food in the following ways:
a) Improper washing of hands, after restroom, or contaminating b) Coughing or sneezing into hands c) After touching open-sores of wounds d) After smoking
High-risk populations include:
a) Infants and preschool age children b) Pregnant Women c) Elderly d) Transplant Patients e) Patients on Chemotherapy f) Chronically ill people
Proper hand care consists of:
a) Keep finger nails clean and short b) No false fingernails or polish c) Wear clean gloves over cuts
Costs of a Foodborne-Illness Outbreak occurs in the following ways
a) Loss of customers b) Damage to your reputation c) Lawsuits d) Increased insurance premiums e) Lowered employee morale f) Employee absenteeism g) Need for retraining h) Embarrassment
What are the different types of contaminants that can occur?
a) Microbial Contaminations b) Conditions affecting growth of microorganisms c) Food supporting growth of microorganisms d) Bacteria, Viruses, Parasites, Fungi e) Biological, Chemical, and physical contaminants f) Food allergies
Gloves should:
a) Never be used in place of handwashing b) Change gloves when they are soiled or torn c) Before beginning a different task d) Change at least every 4 hours e) Change after handling raw meat f) Before handling cooked or ready to eat foods
Foodborne illness can occur through time-temperature abuse in the following ways:
a) Not held or stored at required temperatures b) Not cooked or reheated to temperature that kills microorganisms c) Not cooled properly
You should wash your hands at the following times:
a) On site at the beginning of the day b) After using the restroom c) After touching hair, face, or body d) After sneezing or coughing into hands e) After smoking, eating, drinking, or chewing tobacco, or gum f) After handling money g) After handling cleaning chemicals h) After handling trash i) Or anything else that may contaminate hands j) Before and after handling raw meat, poultry, and fish
Employees need to know how to
a) Properly wash hands b) Proper hand care c) Using gloves d) Proper attire e) Policies for smoking, eating, drinking, and chewing gum or tobacco f) Reporting illness and injury
Cool food quickly using the following methods:
a) Put food into an ice water bath b) Cool using an ice paddle c) Use a blast chiller/tumble chiller
The following factors affect TCS food:
a) Requires time and temperature control b) Has caused foodborne-illness outbreaks c) Has natural potential for contamination
Employees should avoid the following actions with hands:
a) Scratching Scalp b) Running fingers through hair c) Rubbing Ears d) Touching pimples or infected wounds e) Wiping or touching nose f) Coughing or sneezing into hands g) Wearing dirty uniform h) Spitting in operation
Employees should not work with food if:
a) Sore throat or fever b) Vomiting or diarrhea c) Must be symptom free for 24 hours or with physician's note d) Jaundice e) Food borne illness
Reject purchases if they have:
a) Tears, Holes, or Punctures in packaging b) Dirty wrappers, broken packages or seals c) Any package leaking or that has water stains d) Check code or use by date on package e) Shows signs of pests or pest damage f) Cans with swollen ends, rust or dents g) Quality of foods
Challenges to food safety
a) Time & money to train employees b) Language & culture barriers of employees c) Literacy/education level of employees d) Pathogens found more frequent & getting stronger e) Unapproved suppliers f)high-risk customers (elderly, pre-school age, compromised immune systems) g) high staff turnover (hire & train)
Food becomes unsafe in the following ways:
a) Time and Temperature Abuse b) Cross contamination c) Poor personal hygiene
The four acceptable methods for thawing food are:
a) Under cold running water (70 or lower) b) As part of the cooking process c) In a microwave if cooked immediately d) In a refrigerator at 41 or lower
When serving eggs to high-risk populations:
a) Use pasteurized eggs or egg products b) Use pasteurized shell eggs of pooling eggs? c) Can use unpasteurized shell eggs if dish will be cooked through
The following steps to proper hand washing should be:
a) Wet hands as hot as you can stand b) Apply Soap c) Scrub for 10-15 seconds, washing under fingernails & between fingers d) Rinse Hands e) Dry Hands f) Use paper towel to turn off faucet
Cross-contamination can occur when the following things happen:
a) When contaminated ingredients are added to food that receives no further cooking b) When cooked or ready food is allowed to touch food contact surfaces that have not been cleaned c) When food that is contaminated is allowed to drip fluids onto ready to eat foods d) When a food handler touches food that is contaminated and then touches ready to eat foods e) When contaminated cleaning cloths are not changed and adequately cleaned
All employees should:
a)Shower or bathe daily b) Keep hair clean c) Keep clothes or uniform clean d) Wear hair restraint e) Closed toe non-skid shoes f) Wear an apron but remove for restroom g) Remove all jewelry
Preventing Cross Contact in Food Service
a)Tell customer how each dish is made b)Tell customer about any "secret" ingredients that may contain allergens. While you might not want to share these recipes with the public, you still must be able to tell the "secret" items when asked. c)Suggest alternative menu items that don't have the food allergen. d) Servers should never guess about what a menu item contains. IF they don't know, they should ask someone who does.
Mad cow disease
a.k.a Bovine spongiform encephalopathy (BSE) fatal disease of the *central nervous system* in cows; caused by eating infected meat/bone meal
Reject fish that has these problems
abnormal color, slimy, sticky, dry texture, soft flesh that leaves an imprint when you touch it, abnormal or unpleasant odor (fish that smells like ammonia)
In a refrigerator, raw ground meat should be stored
above the whole and ground turkey
Light striking a food object is ________, ________, or ________
absorbed, reflected, transmitted
The concentration of a colored solution can be determined by measuring the ________ at a specific ________
absorbency, wavelength
The hydrogen bonds among molecules have a strong effect on how water ______ and ______ heat
absorbs, transmits
Which of the following is not a function of protein?
absorption of water and fiber
________is how close a single measurement comes to the actual or true value of the quantity measured
accuracy
The acid found in vinegar is __________ acid.
acetic
All foods have a pH, which is the negative logarithm of the hydrogen ion concentration. The pH of most foods is in the _____ range of the pH scale.
acid
The carbonation of soft drinks such as Pepsi or Coke results from a reaction between a form of carbonate and a(n):
acid
Essential fatty
acids are required in the diet for absorption of fat-soluble vitamins and because they aren't synthesized by the body
Fermentation
acids, protein break down products - containing nitrogen
Meat is composed of fibrous proteins called:
actin and myosin
________ means that the product contains bacteria that can make more of the product.
active culture
/a pudding manufacturer discovered moisture on the pudding surface after holding the cooked pudding in the refrigerated storage. This moisture is due to _____________
b
Foam
air bubbles incorporated and trapped in the protein film by whipping as in meringue
What are some freezing methods?
air freezing, indirect contact freezing, immersion freezing
Norovirus
airborne in vomit particles; Use good hygiene, exclude workers who are sick: vomiting, diarrhea, workers who have been diagnosed
The egg white
albumin
Cholesterol is a chemical that actually belongs to the _____ family.
alcohol
During fermentation the Saccharomyces cerevisiae compound sugars are hydrolyzed to form ________.
alcohol and carbon dioxide
A safe way to defrost food is: in the refrigerator in cold water in the microwave
all of the above
In this state of matter, molecules will speed up when heat energy is added. a. solid b. liquid c.gas d. all of the above
all of the above
According to the National Agricultural Chemicals Association, crops without protection chemicals would have:
all of the listed answers
Cooking food properly:
all of the listed answers
Total counts of microorganisms in foods are:
all of the listed answers
Cross contact
allergens transferred from food containing an allergen to the food served to the customer.
Fruit punch sold in a standup foil pouch at ambient temperature is processed using ________ which sterilizes the beverage to a sterilized container.
b
A complete protein is a protein that contains all the essential:
amino acids
During digestion, proteins are broken down into:
amino acids
Water activity is used to determine the:
amount of free water available for microorganisms to grow in a food product
Most starches found in food contain _____ in differing proportions.
amylose and amylopectin
The government regulates irradiation as ______________________.
an additive
Glycogen
an animal starch stored in muscles as a source of energy
Gluten
an elastic substance formed by mixing water with the proteins found in wheat; produced when dough is kneaded
The major or main part of a meal is called:
an entrée
Combination oven
an oven that can do two types of cooking, such as conventional and convection
Convection oven
an oven that uses a fan to circulate hot air over food
3 sources of fats and oils
animal, plant, marine
Saturated fats are found primarily in ______
animals
Which is true of the hypothesis on an experiment?
answers the question "what am I trying to prove"
Certain foods having a blue or red shade get their hue from pigments called ___________ that are sensitive to pH changes. In acid solutions, they turn red, while they turn blue in basic solutions.
anthocyanins
Silicon dioxide is a common food additive that serves as a(n)_______________.
anticaking agent
A food additive that retards rancidity of unsaturated oils and prevents browning in fruits and vegetables that occur during exposure to oxygen is called an:
antioxidant
Food additive
any substance added to food
20:4
arachidonic acid
Grains
are a source of carbohydrates and dietary fiber
Inhibitors
are chemical compounds that slow the growth of microbes
Bacteriocins
are chemicals produced by bacteria that inhibit others
Proteins:
are important macronutrients and provide essential amino acids; proteins provide structure in foods
Enzymes
are largely responsible for the digestion and breakdown of food molecules into absorbable units and are protein molecules that cause chemical reactions to occur without being altered in the process
All viruses
are parasitic and are generally host-specific
Sterols
are required for proper brain function and to produce key hormones
Protozoa
are single-celled eukaryotes; classified by their morphology, locomotion and life cycle; they do not grow in foods, but are parasites that require a host to complete their life cycle
Only Lactic acid bacteria can ferment sugars and nutrients in pickles because they:
are tolerant of salt levels
Yeast
are unicellular eukaryotes
Anthocyanins
are water soluble compounds ranging from purple to orange
Hot spots
areas of food that during cooking reach a higher temperature than surrounding areas due to receiving a greater concentration of energy
The ______ and specific ______ of fatty acids on the glycerol determine the ______ and ______ properties of a fat
arrangement, type, chemical, physical
Isomers have different ______
arrangements
Stationary
as many cells are dying as are being created
Milk that has been first sterilized by heat, and then placed in sterilized containers for retail sale at ambient temperature has undergone:
aseptic processing
Juice packaged in a foil pouch is kept safe without refrigeration due to
aseptic processing.
The original form of this sweetener was not stable when heated. It is often used to sweeten soft drinks and was not used for baked goods or cooked products
aspartame
Character-impact compounds
associated with particular products: Benzaldehyde - cherry or almond; Isoamyl acetate - banana
Which of the following foods would be exempt from nutritional labeling?
coffee
In the process of canning green beans, the point in the beans that is the last to reach the temperature considered safe for killing microorganisms is known as the:
cold point
Gelatin is made by taking _____, a protein that is not easily soluble in water, and altering its structure, and then reforming it with the addition of a sweetening agent, a flavorant for taste, and a colorant.
collagen
Emulsion is a type of ______ dispersion
colloidal
An egg foam is formed by beating egg white. Denatured by beating, the egg protein forms a:
colloidal dispersion
Reading with a spectrophotometer is proportional to the ________ or ________
color, clarity
When receiving, check the quality of food by looking at the
color, texture, or smell.
Proteins are responsible for specific ________, ________, and ________
colors, flavors, textures
Minimum Cooking temp 135F
commercially processed, ready to eat food, that will be hot held for service (cheese sticks, deep fried vegetables), fruit, veg., grains, legumes that will be hot held for service
Food composition tables are ________
common
A protein that contains all the essential amino acids in food is called a (n)______ protein
complete
Carbohydrates and proteins are more ______ than water
complex
Autoxidation is ______ and is promoted by ______, ______, and certain ______ (______ and ______) and enzymes known as ______
complex, heat, light, metals, iron, copper, lipoxygenases
a(n) ____________ is a substance made of two or more different elements chemically joined together
compound
Cheese
concentrated dairy food made by coagulating milk proteins using an enzyme (rennin)
The demand for which of the following food products would go up the least if per capita income increased significantly?
dairy products
When steam undergoes a phase change to liquid water, _____ occurs.
condensation
To which milk product is sugar added during processing?
condensed milk
A food manufacturer is producing frozen waffles. The waffles are prepared by poring a batter into a waffle iron and the waffle iron transfers heat by _________________ to the batter.
conduction
The method of heating that occurs during canning of solid-pack canned foods like tuna or ham is:
conduction
To make ready-to-reheat and eat pancakes that are sold frozen in retail stores, the manufacturing company must cook the pancakes before the freezing process. When pancake batter is poured into a pan that is made hot by energy released from a heating element, the pan transfers the heat by __________ to the batter.
conduction
When pancakes are cooked on a griddle, the griddle transfers heat to the pancake batter by:
conduction
Quality should always be ________ throughout a product
consistent
Indirect additives
contaminants but are often anticipated at a minimal level
Listeriosis
contaminated soil/manure, vegetables, unpasterized milk and dairy, raw meat, ready to eat foods, deli meats
________ is a method of heat transfer where heat is transferred by circulatory movement in a liquid or gas.
convection
Cooking
cook food to recommended internal temperature to destroy bacteria, use thermometer, avoid interrupted cooking, use microwave safe containers, rotate & stir microwave foods, check thickest part or center of food items with thermometer~calibrated weekly~place in container of ice water check reading of 32F
what causes chemical change?
cooking
To prevent autoxidation, store in a ______, ______ environment
cool, dark
Disadvantage(s) of low temperature preservation
cost; shorter shelf life
To control crystal size when making candy, an interfering agent such as _____ is added.
cream of tartar
________ are places in the food processing system where the lack of proper control can result in a safety risk for the consumer.
critical control points
Hazard Analysis Critical Control Points (HACCP)
critical points when foods are susceptible to contamination from food borne pathogens. Purchasing, Storage, Preparation, Cooking, Serving, Handling Left Overs
Traditional soybean oil is developed through conventional ______ and selection of a ______-______ oil which does require ______
crossbreeding, low-linoleic oil, hydrogenation
Absorbed water is bound by the food matrix via ______
crosslinking
Functions of fat in foods
crystal modification, medium for heat transfer, tenderness in baked products, flavor and tenderness in protein foods, body and mouthfeel
Retrogradation
crystallization of starch molecules in stale bread
A company is producing ready-to-reheat-and-eat Beef burritos to be sold at convenience stores. During production of the product, what is the minimum temperature that the ground beef must reach for safety? (assume no holding or rest time at the final end temperature)
d
Cottage cheese manufacture involves a(n) ______ precipitation of casein.
d
Fatty acids with ___________ have higher melting points.
d
When maufacturing baked goods, baking soda is used with an acid to prevent _________ from forming.
d
___________ wheat is used to make pasta
d
Butter
dairy spread made from cream that was separated from milk
MUFAs are associated with a ______ in serum cholesterol
decrease
As you increase the number of double bonds, the melting point ______
decreases
Lipids
defined as chemical compounds that are soluble in organic solvents but not soluble in water
Which of the following would NOT be a requirement or function of a commercial food container?
degradable
A _____ is a piece of equipment that is used to provide a steady supply of circulated, heated air to dry foods.
dehydrator
The amount of foods and food service that would be bought at a given price is called ________.
demand
The process that changes the shape of a protein molecule without breaking its covalent bonds is called:
denaturation
Oil floats above water in salad dressing because oil has a lower _____ than water.
density
enzymes are important to the food industry for many reasons, an it is important to understand how certain conditions affect their activity. Which condition does not affect the activity of enzymes?
density
Food scientists continually conduct experiments to test processing conditions. In an experiment for a cookie company, a scientist tested spread of a cookie using butter or shortening to determine which was best for minimizing the spread of a cookie. For this experiment, the spread of the cookie would be considered a
dependent variable.
Hydrolyzed vegetable protein
derived from soybeans
During the cleaning and sanitizing process following food production, a company will use a ________ which is a chemical compound designed to emulsify fat and solubilize food residue.
detergent
The basal metabolism rate of a human being is NOT affected by ________.
diet
Trichinosis
disease caused by eating raw or undercooked meat, usually pork, infected with Trichinella larvae.
Food borne illness
disease transmitted to humans by food
If the food molecules are surrounded by water, and separated from each other, then this substance has ______ in water.
dissolved
Dietary fiber
does not provide energy but does avert or decrease some problems
Storing
don't wait refrigerate, wash hands as soon as get home, refrigerate/freeze meat, fish, poultry immediately, Freezers be at 0F, Refrigerator below 41F, store meat, eggs on plate lowest shelf of refrigerator, wash hands after handling raw meat, canned goods~dry, cool, clean area~new items in back of old items, fresh produce refrigerate
The more ______ ______, the greater the opportunity for addition of oxygen
double bonds
Genetic engineering used in plant development can help increase
drought resistance
Baking powder is a leavening compound that contains baking soda, _____, and starch or some other filler.
dry acids
Hydrolytic
due to lipid hydrolysis-Enzyme driven (lipase)
TCS foods include
egg and egg product, milk/dairy products, shellfish and crustaceans, fish, baked potatoes, sliced and cut tomatoes, textured soy protein, meat: beef, pork, and lamb, poultry, raw sprouts and sprout seeds, heated plant food, tofu or other soy protein, untreated garlic and oil mixtures.
Albumen
egg white
While having almost no mass, this particle determines whether a chemical reaction takes place
electron
Trace elements
elements or minerals needed in very small amounts
In HACCP systems, critical points should be identified so that hazard can be ________.
eliminated
Drying
eliminates water through the process of evaporation
Another name for absorbed water
entrapped water
An avocado will turn brown after it has been cut and bruised due to __________________.
enzymatic browning
Fruits and vegetables discolor when bruised or cut due to:
enzymatic browning
Blanching is a process used during preservation of fruits and vegetables to deactivate _____ prior to freezing.
enzymes
Fermentation of glucose with yeast produces________________________.
ethyl alcohol and carbon dioxide
Good Manufacturing Practices are used to:
evaluate the design of food processing plants
Prior to purchasing dairy foods at the grocery store, the ________ should be checked:
expiration date of the product
A plastic fat will respond to an ______ force by ______
external, deforming
Which of the following food processing operations IS NOT for cooling food products?
extrusion
Nontyphoidal Salmonella
farm animals to humans, meat poultry, egg, dairy
Food science is a science that consists of the continuum from the ________ to the ________
farm, consumer
A major criticism of American diets and eating patterns is that our diet contains far too much
fat
Carotenoids
fat soluble ranging from yellow to red-orange
Vitamins A, D, E, and K are _________________.
fat soluble vitamins
Water as a component of processed foods is common practice, including foods formulated to be ______-______ or ______-______
fat-free, low-fat
palatability
fats make things taste better.
Melting range dependent on the ______ ______ composition
fatty acid
Polymerization
fatty acids can occur after fatty acids are hydrolyzed from glycerol
During bread production, Saccharromysces cerevisiae causes bread to rise through the process of:
fermentation
An example of a non-digestible complex carbohydrate is:
fiber
Quaker® Oats is an example of a company that was permitted by the FDA to place a food-specific health claim on Quaker® Oatmeal because research studies suggested that _____ may lower blood cholesterol slightly.
fiber
To make some ready-to-eat cereals, manufacturers use:
flaking and shredding
_______________is the distinctive quality that comes from a food's unique blend of appearance, taste, odor, feel, and sound
flavor
MSG is an example of a ______. It is an additive that has little or no flavor itself but assists or boosts the primary flavor of a food to which it is added.
flavor enhancer
Ripeness is optimum or peak condition of ________, ________, and ________
flavor, color, texture
Product development
flavor, texture, shelf-life (preservatives), fortification
Acetylation form ______ films and ______ ______
flexible, coating agents
The most important ingredient in bread is _____ because it determines the texture.
flour
The HACCP process uses ________ to show the entire food processing operation.
flow charts and diagrams
The part of a cauliflower used for food by consumers is (are) the:
flower buds
Which mineral is added to most drinking water in the United States to assist in tooth development?
fluorine
If a food product is altered so that it appears to be of a higher quality than it actually is, this is considered to be:
food adulteration
A sensory scientist evaluates characteristics such as texture, aroma, and flavor of food products. These are also called:
food attributes
The study of flavor includes the composition of ________ ________ producing taste or odor, and their interaction with ________ of the taste and smell organs
food compounds, receptors
The chemistry of food is critical in ______ ______ and ______ ______
food formation, product development
Time
food has to be handled very carefully when it is thawed, cooked, cooled, and reheated.
A _____ is a foodborne illness that occurs when microorganisms grow in food and produce a toxin in the food. The toxin causes illness when the food is consumed.
food intoxication
cheese
food product developed before industrial revolution
Differences in the physical and chemical conditions in which water can exist can impact ______ ______
food quality
The study of food production, processing, preparation, evaluation, and use is called:
food science
The interactions of food molecules with water molecules is of great significance in determining the kind of ______ ______ that will exist and its ______
food system, stability
A food additive that promotes or produces a desired physical state or texture is called a(n):
formulation aid
An addition of a nutrient to foods such as adding Vitamin D to milk is called ________.
fortification
The addition of vitamin A to margarine is an example of food:
fortification
______is the addition of a nutrient to a food
fortification
Escherichia Coli (E Coli)
found in cattle intestines, raw & undercooked ground beef, raw milk, alfalfa sprouts, unpasteurized fruit juices, lettuce, spinach
Initiation involves the formation of a ______ ______
free radical
Large amounts of sugar can cause products to never ______
freeze
As water ______, it gives off ______
freezes, energy
A method of food preservation that does destroy microorganisms and enzymes is:
freezing
temp for freezing? for home freezer?
freezing = 32 F home-freezer = 0 F
Addition of sugar can lower the ______ ______
freezing point
When people work in a food processing establishment, employees are taught to wash their hands and wear appropriate clothing and a hairnet. These steps are part of the company's _____ to produce safe and wholesome food.
good manufacturing practices
Caramel
from nonenzymatic thermal processing of sugars
Make sure frozen food is ___ when you receive it
frozen
Ice cream
frozen cream and sugar emulsion
In the research and development laboratory of a food company, a scientist is deciding on the type of sweetener to use in a cereal product. Which sugar should they choose if they want to use the sweetest sugar from the following choices available to them?
fructose
The sugar _____ is sweeter than sucrose.
fructose
In milk, the enzyme lactase breaks down lactose, or milk sugar, into _____ and glucose.
galactose
Hydrogenation occurs when hydrogen ______ is reacted with ______ under controlled conditions of Temp and pressure in the presence of a ______ or ______ catalyst
gas, oil, nickel, copper
_____is a protein made by the body. It controls acid secretion
gastrin
4 places where absorbed water is found
gels, pectins, fruits, vegetables
In grains, the __________________ is the portion of the kernel that contains the embryo of a future plant, as well as the lipid or oil.
germ
When added to a polymer food system, water as a plasticizer lowers the ______ ______ ______
glass transition temperature
_____________ is the basic sugar molecule from which all other carbohydrates are built.
glucose
The stretchy, elastic protein found in wheat that gives bread its final shape and structure is called:
gluten
Composition of triglycerides
glycerol and three fatty acids
Minimum Cooking temp 155F (for 15 seconds)
ground meat (all types), injected meat (brined ham, flavor injected roasts, ground seafood, eggs that will be HOT HELD for service
Temperature
grows well between the temperatures of 41 to 135
function of protein in the body
growth and repair
A manufacturer that produces baked beans might have challenges with their process if they use ________ because the beans will take longer than normal to cook, changing their overall processing time.
hard water
A food technologist is formulating a low carbohydrate pasta. They need to select a grain that has the highest amount of protein and lowest amount of carbohydrates. Which grain should they use?
hard wheat
The more solid TGIs, the ______ the fat will be
harder
Cream produces foam or whipped cream because of its viscosity and it ________________.
has a low surface tension
Using salt to control the unwanted growth of microorganisms in food:
has been used for many years and is only effective if foods are stable
Chlorophylls
have a porphyrin ring with Mg and green color
________ stands for a system that is used to assure food safety in food processing, packaging, storage, distribution, and preparation.
hazard analysis and critical control point
The word sanitation is derived from the Latin word sanitas, meaning "_____________."
health
The amount of heat required to convert water from a liquid to a gas at its boiling point is called:
heat of vaporization
Reheating leftovers
heat to internal of 165F within 2 hours, stay at them temperature for 15 seconds ~ IF it doesn't reach this temperature throw the food out *if the food is going to be reheated for immediate service, reheat to an appropriate serving temperature.
Hydrolytic rancidity is catalyzed by ______ and enzymes known as ______
heat, enzymes
Only three processes have been identified to safely eliminate living micro-organisms. They are:
heat, selected chemicals, and irradiation
microscope
helped scientists better understand bacteria on food.
Fiber is not digestible, it passes through the intestine system and is removed in the stools. It absorbs water on its way through the digestive system and results in a softer stool, reducing the risk of:
hemorrhoids
A rearrangement of the fatty acids increases the ______ of the oil
heterogeneity
The more ______ the fat, the more likely that molecule will form small stable crystals
heterogeneous
Melting point of simple tgi
high
Potentially hazardous foods ( TCS: Temperature Control for Safety Foods)
high-protein, low acid foods that can support rapid growth of infectious or disease causing microorganisms: milk/milk products, shell eggs, meats, baked or boiled potatoes, tofu/soy products, raw seed sprouts (alfalfa or bean sprouts)
Long-chain fatty acids- ______ melting point
higher
Hard wheat flour will yield flour that has a ________ ratio than that of flour from soft wheat.
higher protein-to-starch
Beta crystals have the ______ melting point
highest
Holding TCS (Temperature Control for Safety) food
hold hot food above 135F and cold food below 41F; check temperature every 4 hours, throw out food that's in the temperature danger zone
Previously frozen foods no longer ______ when frozen and thawed
homogeneous
______ fats readily form large crystals
homogeneous
Cola is an example of _____
homogeneous mixture
Cola is an example of a(n) _________________________________.
homogeneous mixture
During the process of ________, fat particles break down and are surrounded by an emulsifier that keeps the tiny particles permanently separated.
homogenization
The process that breaks down fat globules in milk to make them smaller and more uniform in size is called:
homogenization
To prevent butterfat from separating out as cream when milk stands during retail display and storage, milk is __________.
homogenized
cross-contamination
how bacteria spreads from one item to another.
Shigella SPP (pronounced FLI)
human feces contaminated water, flies
What are the costs associated with foodborne illnesses
human life, loss work, medical/disability, media exposure, loss reputation/legal fee, insurance premiums go up
Water dissolves biomolecules by ______ them
hydrating
Trans fat is made when _____ is added to vegetable oil in a process called hydrogenation.
hydrogen
When acids dissolve in water, their molecules break apart and release---- into the solution
hydrogen
Responsible for structure of water
hydrogen bonding
When acids dissolve in water, their molecules break apart and release ________ into the solution to make the solution acidic.
hydrogen ions
Propagation displaces ______ from another ______ fatty acid, forming another ______ ______. The liberated hydrogen unites with the ______ to form a ______.
hydrogen, unsaturated, free radical, peroxide, hydroperoxide
Margarine is a plant oil that was ________ to a semi-solid form to resemble an animal fat product.
hydrogenated
Shortening is a ______ oil
hydrogenated
Liquid oil is changed into margarine through a process known as:
hydrogenation
The process if adding hydrogen to unsaturated fat molecules causing double bonds to break and be replaced with single bonds resulting in liquid oil being converted to a semi-solid fat is known as:
hydrogenation
Which of the following processes changes liquid oils into semisolids and makes the oil less susceptible to oxidation and rancidity?
hydrogenation
Water acts as a carrier for ______ substances, as well as a ______ of food ingredients
hydrophilic, carrier
Oil and water separate when mixed together in some salad dressings due to the _________ portions of fatty acids in oil.
hydrophobic
shallow
ideal container for cooling
first step in scientific method
identify a problem
Work triangle
imaginary triangle formed by the refrigerator, stove and sink; are the focal points of the major work centers in a kitchen
Oil and water will not mix together in a salad dressing because they are:
immiscible
Phospholipids can form a bridge between fat and water, two ordinarily ______ sustances
immiscible
Reasons food becomes unsafe
improper holding temperatures, poor personal hygiene, inadequate cooking, contaminated equipment, unsafe food source
Botulism
improperly canned foods, temperature abused veg., meats, sausage, fish
Baking
in oven
A reaction that occurs _________ is called anaerobic.
in the absence of oxygen
The presence of bonds that have to be broken, ______ the boiling point of water
increases
a student is making whipping cream and wants to see how the temperature of the cream affects the finished product. The temperature of the cream is an example of a(n)______variable
independent
In an experiment for a whipped cream company, a scientist tested whipping the cream in a metal or plastic vat to determine which was best for whipping cream. For this experiment, the bowl material would be considered a(n):
independent variable
Food composition tables list key ________ and ________
ingredients, amounts
When a food processing plant is cleaned and sanitized, a bacteriostatic agent may be used that will:
inhibit the growth of bacteria but does not necessarily kill them
3 phases of autoxidation
initiation, propagation, termination
To make fermented milk products such as cottage cheese or yogurt, a starter culture is added to pasteurized milk in a step known as:
inoculation
Fats are ______ in water
insoluble
Food components such as fat that do not dissolve in water are considered:
insoluble
Lakes
insoluble for food surfaces
Egg products must have an ___ stamp indicating all regulations have been enforced.
inspection
Food Science is an ________ field of study
interdisciplinary
Fractionation
involves splitting oils into high and low melting point components
Freezing
involves storing food at a temperature colder than 0 C
Refrigeration
involves storing food at an approximate temperature of 4 C
Salting
involves the use of salt to draw the moisture from the cells of the food
This chemical bond is formed by the transfer of electrons between atoms of different elements resulting in positive and negative ions.
ionic bond
A greed radura symbol displayed on a food package label indicated the product has undergone:
irradiation
The most effective way to eliminated living microorganisms in spices is:
irradiation
Water activity
is a measure of the availability of water molecules
Ready to eat food
is food that can be eaten without any further preparations to it.
Complementary DNA ________ and is used for cloning
is synthesized from a messenger DNA
Transport
is the delivery of nutrients and oxygen to all of the body's cells by the vascular (aka circulatory) system
FAT TOM
is the key to controlling food at the proper temperatures and controlling pathogen growth.
Fatty acids have geometric or positional ______
isomers
Why should you be concerned about excessive use of black pepper?
it can become a strong carcinogen
Which of the following is NOT true about the Consumer Price Index (CPI)?
it is a comparison between raw food and fast food prices
Cream creates a better foam than milk because:
it is more viscous than milk
Which of the following is NOT a way to control food pathogens?
keep food at 40-140F (x)
Preparing
keep it straight don't cross-contaminate, proper hand washing, clean equipment, never thaw foods at room temperature, if use microwave to thaw~cook immediately, wash surfaces~spray with disinfectant to sanitize, air dry, pets away from food prep, wash dish clothes, towels after each meal
Canning
keeps air out
Radiation
kills micro-organisms
When food is irradiated, the amount of radiation the food is exposed to during processing is commonly measured in
kilograys.
With the addition of heat energy; the ______ energy of water increases
kinetic
If using leftovers to prepare salads, make sure to go by their ___ and ___ to insure that they are safe to use. They should only be used if the ___ has not expired.
label, date, "use by" date
Diabetes mellitus
lack of or inability to use the hormone insulin, which results in the build up of glucose in the bloodstream
Yeast breads are made from soft dough and rely on yeast fermentation to make the bread rise. The one sugar yeast cannot ferment is:
lactose
In the process of freezing food, _____ in the food product if a slow freezing process is used.
large ice crystals will form
Macromolecules
large molecules containing many atoms
To obtain the most reliable sensory information from people about a food product, it is recommended that sensory scientists hold sensory evaluation panels in:
late morning or midafternoon
Energy lost when water molecules form ice crystals is called:
latent heat
Food will keep colder longer in an ice chest with ice at 0 degrees C compared to an ice chest with water at 0 degrees C because of the:
latent heat of fusion
The D-value is the:
length of time required at a specific temperature to destroy 90% of the microorganisms present
Water freezing results in a solid that is ______ dense than its liquid state and ______ as it freezes
less, expands
Which of the following foods cannot be effectively frozen?
lettuce
The percentage of disposable income spent on all food, food at home, and food away has ________ ________, and been ________ since 2007
leveled off, stagnant
Two factors that accelerate rancidity in food products are:
light and oxygen
Vegetables are stored in individual rooms within a warehouse. The room storing _____ would be expected to generate the most heat in one 24 hour period in their confined storage space.
lima beans
Cherry Pepsi is an example of a ____. It is a product that is similar to the the initial product but is a new flavor
line extension
The Hershey Company is marketing a Hershey milk chocolate bar containing Reese's pieces called Twosomes. This is an example of a:
line extension
18:2
linoleic
18:3
linolenic
Acidity
little or no acid
Salmonella Typhi
lives only in human feces, found in meat, poultry, egg or dairy products
Foods are ________ ________
living organisms
3 characteristics of fats that are solid at room temp
long chains more saturated higher melting points
The _____ a fatty acid chain becomes, the more solid a fat will be at room temperature.
longer
Alpha crystals form ______ structures, with ______ ______ ______
loose, low melting points
Which of the following may NOT be used as a claim on a food label?
low sugar
Foods that have a pH greater than 5.3 are considered to be ___________________.
low-acid foods
The more heterogeneous or mixed TGI will have ______ melting points.
lower
Disadvantage(s) of hydrogenation
lowers nutritional qualities, transfat
In plastic facts, the liquid phase acts as a ______, enabling the solid crystals to slide past one another
lubricant
Acetin fats are used as edible ______
lubricants
The technical name for freeze drying is:
lyophilization
Maillard reaction products
made by heating amino acids with reducing sugars
Margarine
made from emulsified vegetable oils
Which of the following is a macromineral needed by our bodies to maintain health?
magnesium
__________ is important in baking yeast bread since it acts as a catalyst for the breakdown of a disaccharide into simples sugars, that in turn, break down to produce carbon dioxide which causes dough to rise.
maltase
Whenever a chemical is used in a food processing lab, a/an _________ must be available in case of an accident.
material safety data sheet
The ________ dose is the largest dose that the animal in an experiment can take without endangering its health.
maximum tolerated dose
Air Probe
measure temp inside refrigerator or oven
Infrared Thermometer
measure temp of food and equipment surface
Bimetallic stemmed thermometer
measures temperature through a metal probe with a sensor toward the end, measures from 0-220, only one that can be calibrated, has a dimple to mark the end of the sensing area, needs accuracy within 2 degrees, useful for checking large or thick food
Surface Probe
measures temps on flat surfaces like grills
Penetration Probe
measures the internal temperatures of food like meat and other cooked foods
Which of the following is NOT a carbohydrate?
meat
Check the following for an approved USDA stamp:
meat and poultry
Smoking
meat would be cut in strips and hung in the smoke from a wood fire to add flavor
A food scientist is conducting an experiment and measuring a volume of a liquid in a buret. The volume of liquid is read from the
meniscus
Fats must be stored away from ______
metals
Common pro-oxidants of fat in food
metals, light, heat
Convection cooking
method of cooking in which foods are baked or roasted in a stream of heated air
What happens to food stored higher than -18 degrees C, even if it is still frozen?
microbes become active, freezer burn more likely; enzymes more active, textural changes can occur, water migrates out
Water activity controls ______ ______ and many ______ ______
microbial growth, chemical reactions
Viruses
microorganism ~ cause of food borne illness, need living host to grow, can survive for short time on door handles, etc..., can be resistant to extreme heat/cold
Pathogens are
microorganisms that grow rapidly
Processing can change the texture of a food's ________, so food scientists must learn how to apply techniques that measure food texture
microstructure
Which of the following processes will NOT eliminate living microorganisms in food?
microwaving foods
Inorganic elements essential for human health and growth are called:
minerals
Ions such as NaCl and ionic groups hinder the ______ of water, requiring more ______ to be applied before a phase change will occur.
mobility, energy
Soy sauce is made with the use of:
mold
Sodium benzoate is used in soft drinks primarily to inhibit:
mold growth
Potassium sorbate is a common food additive that functions as a(n) _______________________________.
mold inhibitor
Fungi
molds produce dangerous toxins in food
Food scientists want to know and understand the ________ ________ of these food components and to study changes to them that might affect quality
molecular structures
higher temps increase rate of reaction because...
molecules collide with greater force
Glucose is an examples of a _____________________.
monosaccharide
cross contamination
most common cause of food-borne illness
Cell division
most reproduction is by
When you eat breakfast in the morning, digestion of your cereal starts in your:
mouth
Molds
multi- or unicellular eukaryotes
scientific experiment
must be repeatable by other scientists
Poisons produced by certain species of molds are:
mycotoxins
The chemical state of the meat protein _____ determines the color of meat.
myoglobin
The protein in meat that is primarily responsible for meat color is:
myoglobin
_____ is the protein found in meat that is responsible for color.
myoglobin
A food scientist was calibrating a thermometer prior to measuring the internal temperature of a product coming out of an impingement oven. To calibrate their thermometer, they placed the thermometer in boiling water and the thermometer reading stated that the temperature was 102 degrees Celsius. Since the food scientist only had this thermometer to use and they could not physically adjust the thermometer for calibration, they _________ when they take the temperature of the product.
need to add 2 degrees to their temperature reading
Parasites
need to live in a host; pork (trichinosis); fish (roundworm~Anisakis); purchase from reputable approved supplier, cook at correct temperature, seafood frozen correctly
room temperature
never defrost meats at this temperature.
unwashed
never eat these types of fruits and vegetables
viscosity does not change with a change in shear and remains constant
newtonian flow
The vitamin found in dry peas and beans, liver, and fish, is necessary for every living organism. It is crucial for the release of energy from carbohydrates, fats, and protein and is needed to form DNA. This vitamin is _________
niacin
Essential amino acids
nine amino acids that cannot make itself
Sodium _____ is an ingredient used to impart a unique flavor and pink color to cured meat products.
nitrite
A fatty acid does NOT contain which of the following elements?
nitrogen
Added sugars
no more than 10%
Lag
no or slow growth, getting use to the environment
Integrated Pest Management in a food production area focuses on controlling pests with ________________________ deterrents.
non-chemical
Integrated Waste Management in a food production area focuses on controlling pests with ____ deterrents.
non-chemical
Because triglycerides molecules are ___________, they resist the hydrogen bonding that dissolves sugars in water.
non-polar
Holding equipment
not to be used for re-heating food, not designed to do so
The F-value is the:
number of minutes required to destroy a specific number of microbes at 250 degrees F
_____are foods that not only nourish us in the traditional sense but also provide some protective component that may help us to fight disease
nutraceuticals
F = Food
nutrients available in the food often determines whether microorganisms will grow; protein rich foods (meat, milk, eggs, fish ~ potentially hazardous)
Vitamins
nutrients that don't provide energy or build body tissue, but help regulate these and other body processes
Which comes first in the "scientific method"?
observation
Fats deteriorate by absorbing ______ or becoming ______
odors, rancid
The most common cause of off flavor in oil
off flavor
Double bonds tend to make lipid a ______
oil
Vegetable oil
oil bearing portion of the seed is cleaned, ground and tempered. Pressing or solvent extraction. Refined. Bleached. Deodorized.
Liquid fat
oils
18:1
oleic
After World War II, studies were conducted to replace erucic acid in rapeseed oil with _____ to create canola oil.
oleic acid
Which of the following cannot be digested, absorbed, but looks, feels, and behaves like fat?
olestra
During the sensory analysis of chicken soup, ________ respond to odors in the form of steam rising from the container of hot chicken soup.
olfactory organs
deodorized to use in baking
olive oil, not EVOO
Amino acid
one of the building blocks of protein molecules
At low temperatures, water exists as solid ice, its molecules are highly ______ and ______
organized, structured
Cross-contamination occurs when
pathogens are transferred from one surface or food to another
Which of the following products would contain the lowest water content?
peanuts
Celery wilts when placed in a dry environment because water leaves the cells through a process called ____________.
osmosis
Quaternary
overall spatial structure if the protein has more than one polypeptide
In making ice cream, large amounts of air are incorporated into the mixture to increase the volume of the product. The percent increase in volume is known as ___________________.
overrun
Fats serve many functions in foods. While many of its functions are desired, ________________ is one function that is not desired.
oxidation
Fats serve many functions in foods. While many of its functions desired,____ is one function that is not desired.
oxidation
Rancidity is a condition produced by ______ of ______ fats present in foods and other products
oxidation, unsaturated
__________ is the spoilage of lipids or lipid material through the chemical bonding of oxygen to unsaturated sites of fatty acids
oxidative rancidity
Explain oxidative vs. hydrolytic rancidity
oxidative rancidity occurs at the double bonds (enzymatic); hydrolytic rancidity occurs when short fatty acids are hydrolyzed from the glycerol (non enzymatic)
Fat in products such as peanut butter and potato chips can _____ over time to become rancid, causing undesirable flavors and colors.
oxidize
Anemia is a disease resulting from a low red blood cell count. The red blood cells are the cells that carry ________ throughout the body.
oxygen
In water, ______ has a greater electronegativity.
oxygen
The bright red color normally associated with fresh meat is called_____
oxymyoglobin
Extrinsic factors are environmental factors that affect the growth rate of microorganisms. All of the following are extrinsic factors except ______________.
pH
It is important for a food technologist to measure the relative number of hydrogen and hydroxide ions in a food system. This is also known as measuring the _____ of a food.
pH
A = Acidity
pH 7.0 = neutral *foods with pH below 7.0 = acidic (bacteria will not grow at pH levels below 4.6 ~ environment too acidic *foods with pH above 7.0 = alkaline (microorganisms thrive in a pH between 6.6 & 7.5) *bacteria grow best in an environment that is neutral or slightly acidic *most bacteria growth is inhibited in very acidic conditions ~ vinegar, fresh fruits (citrus)
16:0
palmitic
Less tender cuts of meat can be tenderized by using enzymes in _____ that are extracted from the papaya fruit.
papain
Papain is a protease isolated from:
papaya
_______ is a heat treatment that destroys all pathogenic microorganisms in a food but does not destroy all spoilage microorganisms
pasteurization
Protein hydrolysates
perform as both flavorings and enhancers
Examples of endogenous food enzymes
phenolase, lipoxidase, proteases, amylase
A consumer finds a piece of plastic in their yogurt cup. This piece of plastic is an example of a _______________ hazard.
physical
If a customer were to find a bone in their canned chicken noodle soup, this would be a _________ hazard
physical
The presence of a cherry pit in a container of yogurt is an example of a:
physical hazard in food
Quality involves not only the ________ and ________ parameters of a food, but also its ________ character
physical, chemical. microbial
Which one of the following is NOT a type of food preserved by mold?
pickles
The molecular basis of color in foods
pigment molecules
To test a food manufacturing process with batches larger than bench top size, but smaller than full scale industry size, processors will use:
pilot scale production
______, ______, or ______ of both may be used for shortening - ______ in texture
plant, animal, blends, creamy
MUFAs are chiefly found in ______
plants
PUFAs are found primarily in ______
plants
Fats that are creamed for a recipe must be ______
plastic
Refers to the physical property of a fat that describes its softness at a given temperature
plasticity
Toxin
poisons produced by microorganisms growing in your food
Carbohydrates and proteins also have ______ regions, which water is attracted to
polar
Pectin
polymers of D-galacturonic acid linked alpha1-4 that have various amounts of methylation on carbon #6 (high Methoxy pectin)
Fats existing in a crystalline form
polymorphism
Food scientists use controlled ______ to obtain fats with crystal sizes that improve their ______ in foods
polymorphism, functionality
Starch is a _______, witch is a large molecule formed when small molecules of the same kind chain together.
polysaccharide
Starch is a _______________________, which is a large molecule formed when small molecules of the same kind chain together.
polysaccharide
Malnutrition
poor nutrition over an extended period of time which can be caused by inadequate diet or the body
In which of the following foods is solanine considered a toxin?
potato
You are developing a new food product that requires a rapidly dissolving sugar. Given a choice of using equal amounts of granulated sugar, brown sugar, powdered sugar, or a sugar cube, which type of sugar would dissolve the fastest?
powdered sugar because it has more surface area per gram of solid
If a food scientist measures a quantity of salt several times with similar results for a formulation, this measurement would be considered ___________________.
precise
Wash vegetables before
preparing
How do you set the electronic balance to zero?
press the "tare" button on the balance
To prevent or slow oxidative rancidity in a food product, a food processor could ________.
prevent light transmission through the use of opaque or non-light-transmitting packaging
BHT is an ingredient added to Cap'n Crunch cereal to:
prevent rancidity
An emulsifier
prevents the separation of oil and water in food
Superglycerination
process of incorporating 3-6% emulsifier into shortening to improve its baking qualities
The development of Gatorade® G Series Fit to be sold alongside of other Gatorade® products would be considered a
product line extension.
A company that manufactures potato chips inspects the product for color, chip size, thickness, and other attributes to assess the degree of acceptability of the chips. In other words, the company is checking __________________.
product quality
Protein is required for:
production of antibodies
Some food scientists are employed by federal, state and local government agencies responsible for the enforcement and administration of food laws. The food scientist engaged in this work is doing:
production/operations management work
Involves the oxidation of the free radical to yield an activated peroxide
propagation of autoxidation
Six essential nutrients are needed to keep the human body working well. This nutrient is often called the body's building block and aids in growth and healing after injuries
proteins
Roasting
proteins and protein break down products react with sugars
One of the functions of sodium nitrite in cured meat products is to .
provide flavor
Which of the following is not a primary function of protein?
provides good and readily available source of energy
A microorganism that can grow at refrigeration temperatures is a:
psychrophile
Listeria monocytogenes is considered a _________ since it can thrive and grow under refrigeration temperatures.
psychrophile
Listeria monocytogenes is a pathogen that grows at refrigerator temperatures. Organisms that thrive at refrigerator temperatures are called________
psychrophiles
Microorganisms that grow at refrigeration temperatures are considered to be ______.
psychrotrophs
The first step in the flow of food is
purchasing
In the U.S., the Food Guide ________________ is a visual reminder of what makes up a balanced diet and the icon is found on the labels of some food packages.
pyramid
Increased water can cause issue with ______
quality
Our health depends upon the nutritional ________, ________, and ________ of foods we eat
quality, safety, balance
Freezing an ice cream mixture ________ will create very small ice crystals.
quickly
Irradiation can be used as a food preservation method called _____. Food is first blanched, and then subjected to high levels of radiation to kill all forms of microorganisms, resulting in a shelf life of several years.
radiation sterilization
this symbol shows that a food has been irradiated. It appears either on the food label or on a sign nearby and is called_______
radura
When the fat in walnuts begins to oxidize, the flavor of the walnut changes and becomes
rancid.
Potato chips are commonly sealed in packages flushed with pure nitrogen to minimize oxidation that would lead to unpleasant flavors, otherwise known as:
rancidity
Formation of small crystals is favored by ______ ______ and ______ or by adding ______
rapid cooling, agitation, surfactants
Prepare produce away from
raw meat and poultry
Make sure that you keep your ___ separate from your raw meats.
ready to eat foods
Anthocyanins will create ______________ colors in certain foods.
red and blue
Extrinsic
refer to environmental characteristics that surround the food product
Intrinsic factors
refer to the food composition and characteristics that influence microbial growth in the food
Bioavailability
refers to the degree to which nutrients are digested and absorbed
It is ________ light that determines the color of food
reflected
Food possess color based upon wavelengths of ________ and ________ visible light
reflected, absorbed
Which of the following is not an essential function of a food container?
refrigerator fit
When holding food,
regularly check the temperature
Phenylethylamine
releases dopamine which is released by all addictive drugs
A deaerator:
removes the air from peanut butter
The enzyme _____ causes milk to coagulate by converting the milk protein casein into a compound called paracasein.
rennin
Service contract
repair and maintenance insurance purchased to cover a product for a specific length of time
The state of the lipid crystals impacts their ______ and rheological properties such as ______
texture, spreadability
Aerobes
require oxygen
Pickling
requires the use of vinegar and other acids
The viscosity of ketchup is a measure of its:
resistance to flow
When cabbages are stored they undergo a process termed __________ that yields principally water and carbon dioxide.
respiration
Oxidation
result of oxygen reacting with the double bonds of unsaturated fatty acids to produce a rancid flavor or aroma
Hydrolysis
results in degradation to primary structure by enzymes, heat or extremes of pH
Canned foods are processed in a commercial canner called a:
retort
Commercially canned carrots, peas, and corn are processed in a huge pressure canner called a:
retort
MREs or meals ready-to-eat are processed in ___________ and have an extended shelf life of up to 3 years.
retort pouches
The ability to thicken when a starch has begun to cool is called:
retrogradation
Texture is related to the ______ aspects of a food, or how it responds to cutting, shearing, or pulling
rheological
Vitamin D is added to milk to prevent a condition called:
rickets
Fruits continue to ________ after they are picked.
ripen
Color sensations originate from the _____ and _______ of the _____ of the eye
rods, cones, retina
Make sure that food is never thawed at
room temperature
The food industry began because of the need for ________ ________ ________ to feed the world's population
safe food supply
Water that is potable is:
safe for drinking
four factors food scientists must consider when developing new food products
safety quality variety ease of preparation and nutrition
Winterization is commonly used with ______ ______ to help with ______
salad oils, emulsion
Chemically, each form of water is the ______
same
A _______________ is a substance that reduces, but not necessarily eliminates microbial contamination on inanimate surfaces to levels that are considered to be safe from a public health standpoint.
sanitizer
Fatty acids that have a long carbon chain in which every carbon atom carries a maximum number of hydrogen atoms is called a/an ________ fatty acid.
saturated
Inesterification is used to produce customized fats by blending ______ with ______ edible oils to produce fats with intermediate characteristics
saturated, liquid
Tropical oils have a high ______ fat content an appreciable amount of ______-chain fatty acids
saturated, short
Application efficiency of pesticides can be improved by:
scouting fields
Minimum Cooking temp 145F (for 4 minutes)
seafood (fish, shellfish, crustaceans), steaks/chops of pork, beef, veal lamb, eggs to be served IMMEDIATELY
Work center
section in a kitchen that has been designed around a specific activity
To stabilize liquids in some foods, _____ such as citric acid, maltic acid, and tartaric acid, are added to surround metal ions and prevent them from catalyzing the oxidation of unsaturated fatty acids.
sequestrants
Water functions in the body to ________.
serve as a medium for chemical reactions
The length of time cottage cheese can be safely stored refrigerated before deteriorating is known as:
shelf life
Traditional soybean oil is not ______ ______
shelf stable
Food borne illness
sickness caused by eating food that has unsafe bacteria
What are 5 quality considerations of fruits and vegetables?
size, color, blemishes and bruises, firmness, and presence of extraneous stems, pits, or leaves
Sulfating is sometimes used for pretreatment of fruits and vegetables that are to be dehydrated in order to:
slow oxidation and enzymatic browning
Alpha crystals are the ______ and least ______
smallest, stable
Ofactory organs are related to the sense of:
smell
Which of the following work together to maintain chemical, fluid, and electrical balance between tissue cells and blood?
sodium and potassium
The more liquid TGIs, the ______ the fat will be
softer
Toxins
solanine, amygdaline are examples of this
Interesterification tends to make a lipid ______
solid
The greater the attractive forces between molecules, the more easily they will associate to form a ______ and the harder it is to separate them when they are in ______ form and convert to a ______
solid, crystalline, liquid
Food molecules form H bonds to water influencing its ______
solubility
The carbon dioxide dissolved in a can of soda is a:
solute
________ determines the stringiness of celery and the softness of bananas:
texture
When you consumer a cracker, the texture that you perceive is the result of several sensations including consistency, mouthfeel, and:
sound
Three kinds of information must be found on a food label. One of those listed is incorrect. Which one of the following is incorrect?
sources of food ingredients
_____ is related to a food's hydrogen ion concentration, or with the acid's potential for ionization.
sourness
Isoflavones are phytochemicals that have been shown to possibly help reduce the risk of some cancers. Isoflavones are found in products such as Silk®, a non dairy beverage, and are derived from:
soy
"Yellow jewel" is the name given by the Chinese to ________.
soybeans
2 common food sources of phospholipids
soybeans and egg yolks
Enzymes have a high degree of ______
specificity
An additive that can keep a compound, mixture, or solution from changing its form or chemical nature is called a:
stabilizer
To prevent oil from separating in a jar of peanut butter, _____ are added to the formulation.
stabilizers
Want an oil or fat that has a ______ arrangement of crystals to function as needed
stable
The release of energy as water freezes, forces the water molecule into a ______ ______ structure, allowing for the maximum # of hydrogen bonds
stable lattice
Oligosaccharides example and number
stachyose 3-10
Polysaccharides 3 examples
starches, glycogen, fibers
18:0
stearic
Components of Sterols
steroid nucleus, 8-10 carbon side chain, and an alcohol group
Food flavorists
study natural flavors in foods and develop flavor additives
Freeze drying food is based on the phase change called:
sublimation
carcinogen
substance that is capable of causing cancer
additives
substances added by intent, or by accident, into foods
In the Malliard reaction, reducing sugars react with the amino acid lysine. All of the following are examples of reducing sugars except ________________.
sucrose
Bacteria cannot grow in all ________ environment because of lack of available moisture.
sugar
Sugar, one of the most common sweeteners in the world, is derived primarily from:
sugar cane and sugar beets
RDA
suggested levels of nutrient intake to meet the needs of most healthy people
Which of the following products is native to North America?
sunflowers
Producing food by natural methods that fit with local needs and conditions is considered:
sustainable farming
What are the four basic tastes of humans?
sweet, salty, sour, bitter
Butterscotch pudding that has been thickened with starch can experience retrogradation if held in the refrigerator for a few days and have:
syneresis
Which of the following is not a factor in controlling insects, fungi, weeds, and molds in crops raised for food consumption?
synthetic fertilizers
Flavor involves both ________ and ________
taste, aroma
The high fat contact of chocolate influences its ______ and its ______
taste, consistency
Mouthfeel, one of several sensory sensations that contribute to the perception of flavor, is influenced by a food's:
temperature
Water activity is ______ dependent
temperature
Increasing water in a food can change state with ______ and exhibits ______ within food matrix
temperature, motion
Crystals are grown via nucleation within the chocolate mass or by the addition of seed crystals
tempering
__________is the ability of a test substance to induce birth defects or the development of malformed fetuses
teratogenicity
Interacting forces involving food and ingredient molecules establish important chemical and physical balances to create a food's ________
texture
The terms "chewy," "fibrous," "gritty," "mealy," and "sticky" are important in the _____ of foods.
texture
During _____, the interaction of an amino acid and a reducing sugar results in non-enzymatic browning.
the Maillard reaction
Water holding capacity
the ability to retain moisture during the application of external forces like heating, grinding and pressing
Threshold level
the dose above which adverse effects are produced
Through this process, matter and energy transfer between organisms as food. This process is called_______?
the food chain
Hydrogenation
the forced addition of hydrogen atoms to the unsaturated bonds of fatty acids to raise the melting point of the fat (harden)
Calcium or sodium propionate is added to bread to inhibit:
the growth of mold
Primary
the linear sequence of amino acids
Infection
the live microorganism must be ingested to cause disease
Salt and sugar
the most common preservatives and work by decreasing water activity
Absorption
the passage of nutrients from the gastrointestinal tract into either the blood or the tissue fluid surrounding the cells
Myoglobin
the primary pigment in meat
Metabolism
the process by which living cells use nutrients in many chemical reactions that provide energy for vital processes and activities
Digestion
the process by which the body breaks down food into useable nutrients
Canning
the process of preserving food by heating and sealing it in airtight containers for storage
You can't add fig, kiwi or fresh pineapple to gelatins because
the proteases hydrolyze peptide bonds
Wave patterns
the repeated cycle in which energy in a microwave oven is emitted by the magnetron tube
A mole of water, salt and sugar cubes are ________ and the masses of each of these products are ________.
the same; different
Epidemiology
the science of identifying the causes of disease outbreaks
nutrition
the study of food components and how the body uses them to sustain life and health
Nutrition
the study of nutrients and how they are used by the body
Food science is
the study of producing, processing, preparing, evaluating and using food.
Food Science
the study of the nature of food and the principles of its production, processing, preservation and packaging.
Food chemistry
the systematic evaluation and understanding of water, carbohydrates, lipids, proteins, vitamins, minerals, and other ingredients, such as additives, as they undergo chemical interaction/reaction during the harvest, storage and distribution of foods
Standing time
the time during which foods finish cooking by internal heat after being removed from the cooking appliance
Chalaza
the twisted, rope like structure in an egg that keeps the egg yolk center
A ____________________ is an explanation based on a body of knowledge gained from many observations and supported by the results of many food science experiments.
theory
To assess the effectiveness of a heat treatment when processing food, companies use a _________________________ which is a graph that plots microbes killed against time at a particular temperature
thermal death time curve
cold
these temperatures slow the growth of bacteria
Preservations
these work by slowing, stopping or killing microbes
To keep fresh produce from deteriorating during distribution and retail display, produce are often:
treated with a light coat of approved oil-based wax to seal in moisture
If a food product label bears the symbol in this picture, it means that the product has been
treated with irradiation
Unsaturated
this fat has two configurations defined by their structure at the double bonds
sensory characteristics
those ones detected by the five senses (sight,taste, touch, hearing, and smell)
A food technologist developing a formulation for a soft dough should use:
three parts flour to one part liquid
Challenges to food safety
time & money to train employees, language & culture barriers of employees, literacy/education level of employees, pathogens found more frequent & getting stronger, unapproved suppliers, high-risk customers (elderly, pre-school age, compromised immune systems), high staff turnover (hire & train)
Leading cause of food borne illness
time & temperature abuse
Taste buds are sensory organs located on various parts of the tongue. If you were eating salty pretzels, you would perceive the salty taste on the _____ of the tongue.
tip
Coagulation
to change a liquid into a soft semisolid or solid mass
Tartaric acid is used
to control the pH in soft drinks.
The main purpose of blanching vegetables would be:
to inactivate plant enzymes
A list of ingredients must be included on a food label. The first ingredient listed is by its amount of....
total weight
A list of ingredients must be included on a food label. The first ingredient listed is by its amount of:
total weight
Iron ,copper, and zinc are all examples of _______ used in food. They are needed in small amounts for many metabolic functions such as transport of oxygen in blood cells, red blood cell synthesis, and nucleic acid synthesis
trace minerals
Hydrogenated fats are also known as...
trans fats
Ionic bonds are filling of orbitals through the ______ of electrons
transfer
Foodborne illness is a disease that is
transferred to people by food
Cross-Contamination
transportation of harmful substances to food by: hands (touch raw meat ~ then ready to eat foods), surfaces (cutting boards, cleaning cloths), raw or contaminated foods (drip fluids on cooked ready to eat foods), poor personal hygiene (wash hands after restroom, cough/sneeze, touch or scratch face, do NOT work while sick)
As popcorn heats, the _____ inside each kernel expands. Pressure builds, causing the corn to pop.
water
A company that makes fresh bratwurst has received complaints from consumers that the sausage looks uncooked in the center of the product even though the consumer has thoroughly cooked it. A scientist has been called in by the company to look at the product and identify why this is occurring. The ability to view and understand the entire production process well enough to identify potential problem areas is called:
trouble shooting
A meat scientist cut open a cured ham and observed a brown spot the size of a penny near the center of the ham and deduced that this was due to the ham being frozen in the center when the cure was injected into the fresh ham. This ability to detect and solve problems is called
troubleshooting.
Vegetables such as lettuce wilt, or become limp, when _____ is lost.
turgor
A foodborne disease outbreak occurs when ______________ or more people develop the same illness after consuming the same food.
two
Amino group
two atoms of hydrogen and one atom of nitrogen and is written - NH2
Emulsions
two-phase systems in which one phase is dispersed in the other
Amino acids
type of organic acid
Glucose
type of simple sugar; the body's primary energy source and the only energy source for the brain and nervous system; the basic sugar molecule from which all other carbohydrates are built
At the Country Farms Soup Company, a food scientist is evaluating the sensory properties of a new chicken soup and wants to evaluate the impact of savory, or _________, characteristics.
umami
2 Other tastes
umami, astringency
Which of the following foods is NOT exempted from food labeling?
unpopped popcorn
A solution that contains less solute than can be dissolved in it at a given temperature is called a ______ solution.
unsaturated
A solution that contains less solute than can be dissolved in it at a given temperature is called a(n) ____________________ solution.
unsaturated
Oxidative rancidity occurs with ______ fatty acids
unsaturated
The more _____ a lipid contains, the softer or more oily a lipid will be.
unsaturated fatty acids
Hydroperoxides are very ______ and decompose into compounds with shorter chain compounds such as what?
unstable, volatile fatty acids, aldehydes, and ketones
Each water molecule is electrically ______
unsymmetrical
How can freezer burn be controlled?
use moisture-proof packaging and avoid temperature fluctuations
Fruits and vegetables are primarily composed of:
water
Microwaves do not affect all molecules equally. They have the greatest effect on _____ molecules.
water
Fermentation is a production step in the process of making _____.
vanilla
Bound water exhibits essentially no ______ ______
vapor pressure
With increased temperature, you will increase ______ ______
vapor pressure
When water boils, a phase change occurs so that liquid turns into a gas. This phase change is called ________________.
vaporization
Nutrient requirements
vary with the type of organism, but most foods provide high nutrient availability for microorganisms
Antibodies
very large proteins that weaken or destroy foreign substances in the body
A low acid food is a food that has:
very little acid
Lactidiacid bacteria can be used in the production of all of the following foods, except__________.
vinegar
Hepatitis A
virus contacted by fecal oral route, found in ready to eat foods, shellfish, contaminated water. Use good hygiene, exclude workers who are sick: vomiting, diarrhea, workers who have been diagnosed
As the starch concentration increase in a mixture, the resulting paste becomes more _______.
viscous
Processed food products such as cereal and juice may be supplemented with __________ to enhance their nutritional content.
vitamins and minerals
Fat soluble vitamin
vitamins that are absorbed and transported by fats; includes vitamins A, D, E and K
Meat grading is a:
voluntary procedure conducted by the USDA
Good personal hygiene
wash hands after restroom, sneeze, cough, touch hair, etc..., clean clothes, no baggy sweatshirts, coats, closed toed shoes
Handling Leftovers
wash hands, divide hot leftovers into small units cool quickly, refrigerate, reheat leftovers thoroughly to a temperature over 165F (soups, sauces, gravies bring to rolling boil) don't keep leftovers more than 7 days
Properly wash surfaces
wash with warm soapy water, sanitize, and dry
Almost all food processing has to do with controlling ______
water
Dyes
water soluble for entire food
Butter is a _____ food emulsion.
water-in-oil
Butter is made by agitating cream to form a _____ emulsion.
water-in-oil
Butter is an example of a(n)_________ water-oil emulsion oil-in-water emulsion colloidal dispersion
water-oil emulsion colloidal dispersion
Theobromine
weak CNS stimulant
Obesity
weighing twenty percent or more above desirable weight for height; in an adult, obesity is defined as a body mass index of 30 or more
Cross-contamination
when harmful microorganisms are transferred from one food/object to another due to... - using same utensils - mixing raw foods with ready to eat foods
Which one of the following is not a type of food preserved by fermentation?
whole milk
Some oils become cloudy when stored in a refrigerator. Because of this, many oils are _______________ to precipitate saturated fatty acids.
winterized
A low acid food is a food ________________________________.
with very little acid (pH>4.6)
Clean and sanitize ___ before and after use
workspace
At forces above _____ _____ or force, the food behaves as a liquid
yield stress
What is a type of food preserved, in part, by bacteria?
yogurt
Which one of the following is a type of food preserved, in part, by bacteria?
yogurt
The term "Daily Value" that is found on a nutrition facts label means
you can determine how the nutrients in a food serving fit with what you can or should have for the day.
bacteria
you cannot always see, smell or taste them.
Which of the following would most likely NOT be a science involved in the making of a pizza?
zoology