Nutrition Flashcards
what is nutrition
Study of food: how it affects the body and influences health
adequate nurtrition is
essential to wellness
DRI
Dietary reference intakes
DRI has replaced
RDA- Recommended Dietary Allowance
RDA
Recommended Dietary Allowance
The nutrients we ingest include
Carbs, Proteins, Fats, Water, vitamins, and minerals
Carbohydrates are
starches and sugars
Proteins are
amino acids
Fats are
Saturated, Monounsaturated, Polyunsaturated
Water
cells depend on a fluid environment
Vitamins are
Essential to metabolism, water or fat soluble
Minerals are
Catalysts for biochemical reactions
Nutrients are
Building blocks for cells and tissues
Supply energy
Help manufacture, maintain, and repair cells
Found in foods
Changed and used in the body through metabolism
Recommended carbs per meal
40G
where does the brain get all its energy
from Carbohydrates
carbohydrates are
Main source of energy in the diet
what are saccharides
simple and complex carbohydrates,
what is fiber
obtained primarily from plant foods, except for lactose
how many kcal do carbs produce
4 kcal/g
What are proteins essential for
Essential for growth, maintenance, and repair of body tissue
the body cannot manufacture what?
essential proteins. They must be ingested
The body can synthesis which proteins
non-essential
amino acids are
Simplest form or protein
incomplete proteins are from
generally from plant
complete proteins are from
animal sources
proteins produce how many kcal
4 kcal/g
Lipids are AKA
Fats
lipids are the key components of
of lipoproteins
what is a back up energy source
Lipids
lipids do what in the body
Organ insulation/protection
lipids are the
—most nutrient dense food
how many Kcals does lipids produce
Produce 9 kcal/g
what are lipids composed of
Composed of triglycerides and fatty acids
LDL’s are
low density lipoproteins
HDL’s are
High Density Lipoproteins
which is better LDL or HDL
HDL
Saturated fats are generally from
animals
transfats have
added Hydrogen to keep shelf life
Micronutrients are
needed only in small amounts
what regulate body functions
vitamins and minerals
Vitamins are essential for
normal metabolism
the body is unable to do what with vitamins
synthesize so they must be supplied by diet
Fat soluble vitamins are
A,D,E, and K
water soluble vitamins are
C and B complex
vitamins in food
usually higher content in fresh foods that are exposed to minimum heat, air, or water.
fat soluble vitamins can be
toxic to body. Not easy to leave the body