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food tech > nutrients test > Flashcards

nutrients test Flashcards

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1
Q

name the 6 major nutrients

A

carbohydrates
protein
fats
water
vitamins
minerals

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2
Q

how much energy do carbs provide

A

Carbohydrates 16 Kj/g

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3
Q

how much energy does protein provide

A

Protein 17 Kj/g

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4
Q

how much energy do fats provide

A

Fats 37 Kj/g

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5
Q

carbohydrates functions

A

provides the body with energy

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6
Q

carbohydrates types

A

starch, sugar, fibre

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7
Q

fibre

A

makes us feel full, slows the rate of digestion

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8
Q

glycaemic index

A

The Glycaemic Index ranks carbohydrates according to their effect on our blood glucose levels.

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9
Q

low gi definition

A

foods will take long time to break down and distribute energy more evenly

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10
Q

high gi definition

A

blood sugar will rise higher after eating, sugar high and then drop

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11
Q

protein function

A

needed for growth of cells and bones

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12
Q

how many amino acids do proteins have ?

A

9

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13
Q

complete protein

A

includes all amino acids in the food

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14
Q

lipids functions

A

provide energy, make food more appetising

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15
Q

incomplete protein

A

does not include all amino acids in the food

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16
Q

lipids are found in

A

fish, meat, dairy, coconut, oil

17
Q

what are the 3 fats

A

unsaturated fats
saturated fats
trans fats

18
Q

vitamins functions

A

needned for health and growth

19
Q

what are the two types of vitamins

A

fat soluble
water soluble

20
Q

fat soluble

A

dissolves in fat, excess will be stored in body

21
Q

water soluble

A

dissolves in water so excess is excreted

22
Q

3 minerals include

A

calcium
iron
folate

23
Q

calcium functions

A

needed for strong bones and teeth

24
Q

iron functions

A

carry oxygen, help create red blood cells

25
Q

folate

A

cell growth

26
Q

water functions

A

maintains body temp, needed for digestion and waste removal

27
Q

fortified foods

A

nutrients can be artificially added to increase nutritional value of food

28
Q

micronutrients

A

dont need too many of then

29
Q

macronutrients

A

need lots of it

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