Nutrition Unit 4 Flashcards Preview

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Flashcards in Nutrition Unit 4 Deck (18):
0

What is a calorie?

A measurement of energy

1

Energy yielding nutrients

Source of usable energy
CHO
PRO
FAT

2

Non energy yielding

Vitamins
Minerals
Water

3

Macronutrients

Required in GRAM doses

4

Micronutrients

Required in less then gran doses
Vitamins and minerals

5

Carbohydrates nonessential

Can synthesize from lipids and proteins
Metabolized to glucose
Fiber is a type of hard to digest CHO

6

Glycemic index

Center the diet around LOW GLYCEMIC INDEX to prevent obesity

7

Glycemic load

Represents the quality and quantity of a carbohydrate

8

Fat

Essential

9

Functions of fat in the body

Part of cell membranes
Type can effect the fluidity of the membrane

10

Essential fatty acids

Typical American diets are adequate in omega 6(linoleic) fatty acids but lacking in omega 3 (linolenic)

11

Omega 3

Fatty fish

12

Omega 6

Vegetable oil salad dressings grains

13

So is dietary cholesterol bad?

Less impact then we once thought
A diet lacking in vitamins minerals essential fatty acids and fiber may disrupt the bodies ability to metabolize cholesterol

14

Protein

Essential
Amino acids are the building blocks of proteins
20 different amino acids and 9 are essentials

15

Classifying proteins

A common method o classifying is by their biological value

16

Alcohol

7kcal per gram
Metabolized by the liver
Reduces stress
Resveratrol and antioxidant

17

High protein diet?

No study has ever reported liver or kidney damage in healthy subjects who consumed a high protein diet