FST1
carbohydrates, lipids, proteins, vitamins, minerals, water
6 classes of nutrients
9
amount of kcalories in lipids
4
amount of kcalories in portein
1800
average amount of kcal a person needs a day
water
for our bodies, acts as a -solvent, -body fluid, -reaction medium -vehicle for transporting nutrients to cells and removing waste products, -temperature regulation
magic wands
micronutrients known as" ____" enable the body to produce enzymes, hormones and other substances essential for proper growth and development.
8
number of B vitamins
iron, iodine, vitamin A, zinc
top 4 deficiencies in are among the top causes of death from disease in developing countries.
Food Insecurity
: Limited or uncertain availability of food or money to buy food
Macronutrients
: needed in gram quantities
Micronutrients
: needed in milligram or microgram quantities.
Micronutrients
: vitamins and minerals are classified as ________
food insecurity
A situation that exists when people lack access to sufficient amounts of safe and nutritious food for normal growth and development and an active and healthy life.
malnutrition
Compared to the significant advances made on other worldwide health crises, progress on reducing _______ has been considerably slow for two decades.
iron deficiency
During childhood and adolescence, it impairs physical growth, mental development and learning capacity. In adults, it reduces the capacity to work, and severe anaemia increases the risk of women dying in childbirth. * The highest proportion of individuals affected is in Africa (48-68 percent), while the greatest number affected is in southeast Asia (315 million). around 30 percent of the world's population - are anaemic
Undernutrition
Failing health that results from a diet (long duration) that is not enough to meet nutritional needs. is common when food supplies are low and the population is large. leads to nutritional deficiency diseases.
folate
a B vitamin; found in green leafy vegetables, beans etc
7
alcohol also supplies energy. amount of kcal in alcohol
4
amount of kcalories in carbohydrates
breast feeding
babies can be protected from vitamin A deficiency through _____
beta - carotene
carotenoid with highest provitamin A activity
fat soluble , water soluble
categories of vitamins
nutrients
chemical substances present in food that provide: energy and materials to build and maintain the body ‐
> 100 mg
daily needs for major minerals
<100 mg
daily needs for trace minerals
iron
deficiency in this ______ reduce the work capacity of individuals and entire populations,
vitamin A
deficiency of _____ that causes blindness. 250-500 K children become blind a year
iodine deficiency
during pregnancy can result in stillbirth, spontaneous abortion, and congenital abnormalities such as cretinism, a grave, irreversible form of mental retardation that affects people living in areas of Africa and Asia.
iodized salt
effective measure against iodine deficiency
major minerals
ex: calcium, phosphorous, potassium.
trace minerals
ex: iron, iodine, zinc, etc
vitamins A D E K
fat soluble vitamins
vitamins
help regulate and support chemical reactions in the body.
bomb calorimeter
instrument that measures calorie content
Zinc
involved in more body functions than any other mineral, acting as a necessary component of more than 200 enzyme systems, normal growth and development, the maintenance of body tissues, sexual function, vision and the immune system. The health effects include dermatitis, impaired growth, diarrhoea, mental disturbances and recurrent infections.
goiter
iodine deficiency that can cause mental retardation in children
malnutrition
is a largely hidden crisis, but it afflicts one in four children around the world. It wreaks lifelong damage and is a major killer of children. Every hour of every day, 300 children die because of _____
Vitamin A deficiency
is the leading cause of preventable blindness in children, and increases the risk of disease and death from severe infections, including diarrhoea and measles. In pregnant women, it causes night blindness and can increase the risk of maternal mortality.
ascorbic acid
known as vitamin c
chronic malnutrition
lack of proper nutrition overtime
iron
most common micronutrient deficiency in the world
anemia
most common type of iron deficiency
carotenoids
natural pigments with colors ranging from yellow to orange to red. give vegetables/fruits their flavors.can be converted to vitamin A
fortification
nutrients added to food where they are not originally present. (adding vitamins D and calcium to OJ)
enrichment
nutrients lost during processing that are later added back (for ex: all purpose flower with vitamins B1, b2 folic acid and iron
anemia
only nutrient deficiency that is prevalent in developed countries
hidden hunger
phrase to describe Malnutrition caused by a lack of vitamins and minerals in the diet
provitamin A
precursors for vitamin _____ , found in carotenoids .
minerals
range of elemental, inorganic substances that are required from foods in small amounts
folic acid
synthetic form of folate added to foods as supplements
scurvy
vitamin C deficincy that causes lose teeth, bleeding gums
Vitamin A
vitamin thats found only in foods of animal origin.
small
vitamins are required in a ________ amount in the diet
B vitamins
vitamins that have key role in energy metabolism
vitamins B C
water soluble vitamins
Food security
when all people, at all times, have access to sufficient, safe and nutritious food to meet their dietary needs and food preferences for an active and healthy life