April 25: Carbohydrates + Orientation to Fat - The Misunderstood Nutrient Flashcards

1
Q

Insulin

A

A hormone that is needed for glucose entry into the cell

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2
Q

Type 1 diabetes

A

Lack of insulin

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3
Q

Type 2 diabetes

A

Insulin resistance - cell no longer responding to insulin

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4
Q

What are some negative health effects of diabetes?

A

Cardiovascular disease
Poor circulation (amputation of limbs)
Loss of eyesight
Infection (because of poor circulation & sugar rich blood)

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5
Q

How is glucose stored in the body?

A

As glycogen

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6
Q

What are the three end products of carbohydrate energy metabolism?

A

Energy (4 calories/g) + water + carbon dioxide

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7
Q

What happens to excess carbohydrates?

A

Stored as fat

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8
Q

How does the body turn protein into glucose?

A

It breaks down proteins and removes the nitrogen from them via urine. It then turns those amino acids into glucose

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9
Q

What is a low carbohydrate diet, what are effects?

A

High protein or fat/low carb
Carbohydrate < 50g/day
Low fiber, vitamins, minerals
Constipation, bad breath
Loss of weight rapid initially with shift in energy use (glycogen is depleted which results in water leaving the body)
Lose protein mass (muscle)

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10
Q

Added sugar

A

Any sugar that is added to food during processing. Metabolized differently than intrinsic sugar. The limit intake of added sugars is <50g daily

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11
Q

Intrinsic sugar

A

Sugar that is found naturally in food (think fruits, for example)

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12
Q

Gluten

A

Actually a protein. It helps foods maintain their shape, acting as a glue that holds food together

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13
Q

Celiac disease

A

The surface of the intestinal tract is inflamed and damaged by gluten and by-products of gluten digestion

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14
Q

Fat function in the body

A

Used for energy, structure, and regulation just like protein

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15
Q

Triglyceride

A

A type of fat. Made up of a glycerol + 3 fatty acids

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16
Q

Saturated fatty acid

A

Solid at room temperature

17
Q

Unsaturated fatty acid

A

Liquid at room temperature

18
Q

Oleic acid

A

18:1
Also called monounsaturated fat, nonessential
18 carbons long, 1 C=C bond

19
Q

Linoleic acid

A

18:2
Also called Omega-6, essential
18 carbons long, 2 C=C bonds

20
Q

Linolenic acid

A

18:3
Also called Omega-3, essential
18 carbons long, 3 C=C bonds

21
Q

Food sources of oleic acid (monounsaturated acid)

A

Olive oil, canola oil, avocado

22
Q

Food sources of linoleic acid (Omega-6)

A

Corn, sunflower, soybean, safflower, sesame, & nut oils

23
Q

Food sources of linolenic acid (Omega-3)

A

Flaxseed oil and meal, fish & other seafood (although not all fish have high Omega-3), small amount in nuts, canola, & soybean oils

24
Q

What are essential fatty acids needed for?

A

Membrane structure

Brain development and integrity

Prostaglandins: hormone-like substances needed for inflammatory response and blood clot formation

25
Q

What type of fat comes from animals and exceptions

A

Saturated fat (solid), low in 18:2 and 18:3

Exceptions: chicken, eggs, fish

26
Q

Food fat coming from vegetables and exceptions

A

Unsaturated fat (liquid), high in 18:2

Exceptions: coconut and palm oil

27
Q

Hydrogenated fat

A

Source of “trans” fatty acids
Turning an unsaturated fat into a saturated fat (liquid to solid)
Increased shelf life
Loss of essential fatty acid content
DON’T EAT IT!

28
Q

Food sources of trans fats

A

Margarine and vegetable shortening