Chapter 1: The Science of Nutrition Flashcards
Carbs
-CHO
-energy
proteins
-CHON
-structure
Lipids
-CHO
-energy, growth, regulation
saturated vs unsaturated sources
-saturated: animals
-unsaturated: plants
Vitamins elements
CHONPS+
are minerals organic or inorganic
inorganic
major minerals
-sodium
-potassium
-calcium
-chloride
-phorphorus
trace minerals
-iron
-zinc
-copper
-selenium
Fuel values
Carbs: 4 kcal/g
Lipids: 9 kcal/g
Proteins: 4 kcal/g
Alcohol: 7 kcal/g
North american diet distribution
protein: 16%
carbs: 50%
fats: 33%
what american diet needs
-less sugar, fat, sodium
-more fruits, veg, whole grain bread, reduced fat dairy
-rich sources of A, E, iron, potassium, calcium
types of nutritional assesments
-anthropometric (fold test)
-biochemical (fastest, blood)
-clinical (physical signs)
-dietary (reflect on intake)
-environmental (education & economic)
scientific method steps
-observations
-hypothesis
-experiment
-others evaluate
-follow up experiment
-accept or reject hypothesis
what is the role of institutional review boards in nutritional research
to gather info and conduct studies, in order to make DRIs, ULs and other recommendations