macronutrients Flashcards

macronutrients

1
Q

what are the 3 macronutrients

A

protein carbohydrates fats

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2
Q

what is protein

A

Proteins are large, complex molecules that play many critical roles in the body

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3
Q

what is an example of a protein

A

What is protein?
meat and fish.
eggs.
dairy products.
seeds and nuts.
legumes like beans and lentils

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4
Q

what are the functions of protein

A

for growth,
to repair body cells and tissues
to produce enzymes needed for digestion
to produce hormones
energy

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5
Q

sources of protein

A

animal - meat fish dairy
plant - nuts peas beans
novel - tofu soya

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6
Q

what are proteins made up of

A

Proteins are made up of amino acids.

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7
Q

what are the 2 types of amino acids

A

Dispensable (non-essential) amino acids
Indispensable (essential) amino acids

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8
Q

what are Indispensable (essential) amino acids

A

amino acids that are essential in our diet

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9
Q

what are Dispensable (non-essential) amino acids

A

These are produced by the bodyand arent as needed in our diet

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10
Q

what are low biological value proteins

A

If a food is missing one or more of the indispensable (essential amino acids) amino acids

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11
Q

what is an example of a low biological value protein

A

baked beans

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12
Q

what are high biological value proteins

A

If a food has all the indispensable (essential) amino acids

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13
Q

what is an example of a HBV protein

A

steak

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14
Q

what is protein complentation

A

Protein complementation is when two LBV proteins are eaten together.

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15
Q

how can you make up not eating enough HBV PROTIENS

A

By eating two LBV proteins in the same meal, you can make up for the lacking amino acids in each, therefore giving yourself a meal with a high biological value (HBV).

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16
Q

what`s an example of a protein complementation

A

A common example of protein complementation would be eating beans on toast.

17
Q

what are the 2 types of carbohydrates

A

simple and complex carbohydrates

18
Q

what is another way of saying simple and complex carboyhrates

A

sugars and starches

19
Q

what effect does sugars have on your body

A

Sugars (simple) – these raise the body’s blood sugar level very quickly, as they enter the blood stream rapidly after they are eaten.

20
Q

what effect does starches have on your body

A

Starches (complex) – these keep blood sugar levels constant, because they enter the blood stream very slowly.

21
Q

what are sources of carbohydrates (complex)

A

bread – including bagels and wraps
rice
pasta
cereal
potatoes

22
Q

what are functions of carboydrates

A

for energy
fibre
growth and repair

23
Q

what are sources of carbohydrates (simple)

A

sweets
biscuits
shakes
honey
table sugar

24
Q

what are the 2 types of fats

A

There are two types of fat – saturated fat and unsaturated fat.

25
Q

unsaturated fats can be either _______________ or _____________

A

monounsaturated fat or polyunsaturated fat.

26
Q

what is an unsatured fat

A

Unsaturated fat is liquid at room temperature, for example rape seed oil or olive oil.

Unsaturated fats come from plant sources and therefore are better for us than saturated fats.

27
Q

what is a saturated fat

A

Saturated fat is usually solid at room temperature, for example butter.

Saturated fats come from animal sources and therefore tend to be very unhealthy.

28
Q

what is a monosaturated fat

A

Monounsaturated fats have one double bond (‘mono’ meaning one

29
Q

what is a polysaturated fat

A

Polyunsaturated fats have more than one double bond (‘poly’ meaning many)

30
Q

where can we get saturated fats from

A

red meat
dairy products

31
Q

where can we get unsaturated fats from

A

polyunsaturated fat is in margarine, vegetable oil and oily fish (e.g., mackerel)

monounsaturated fat is in nuts, nut oil, avocado, olives and olive oil