Protein and fat Flashcards

1
Q

What are proteins made of?

A

amino acids

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2
Q

What are the functions of protein in the body?

A

growth, repair, maintenance

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3
Q

What are the main functions of proteins in the body?

A

growth, repair, maintenance

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4
Q

What are some animal sources of protein?

A

meat, fish, poultry, milk, eggs, cheese

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5
Q

What are some plant sources of protein?

A

soya, nuts, seeds, pulses, mycoprotein, TVP

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6
Q

What is meant by the biological value of proteins?

A

the amount of essential amino acids it has

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7
Q

What type of protein source is of high biological value (HBV)?

A

animal sources

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8
Q

Which 2 plant sources are of high biological value (HBV)?

A

mycoprotein (quorn), textured vegetable protein (TVP)

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9
Q

What type of protein source is of low biological value (LBV)?

A

plant sources

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10
Q

What is meant by low biological value (LBV)?

A

lacking some essential amino acids

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11
Q

What is protein complementation?

A

different LBV proteins being eaten together to provide all the essential amino acids

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12
Q

To which 2 dietary groups is protein complementation important to?

A

vegetarians, vegans

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13
Q

What happens to excess protein in the diet?

A

used as energy

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14
Q

How likely is protein deficiency in developed countries?

A

unlikely/rare

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15
Q

What condition does protein deficiency cause?

A

kwashiorkor

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16
Q

Which 4 groups of people have a higher need for protein?

A

babies and children, adolescents, pregnant women, nursing mothers

17
Q

What is fat made up of?

A

fatty acids and glycerol

18
Q

What are the functions of fat in the diet?

A

provide concentrated energy, provide fat soluble vitamins, provide protection for major organs, component of hormones

19
Q

Why are saturated fats considered unhealthy?

A

they increase cholesterol levels in the blood which can lead to health problems

20
Q

What are some sources of saturated fats?

A

see textbook

21
Q

What is the structure of saturated fats?

A

see textbook

22
Q

Why are unsaturated fats considered healthier?

A

they can help reduce cholesterol levels in the blood

23
Q

What is the structure of unsaturated fats?

A

see textbook

24
Q

What are some sources of unsaturated fat?

A

see textbook

25
Q

What are functional foods?

A

foods specially developed to improve health

26
Q

What is the name of the process used to make solid fat from liquid oil?

A

hydrogenation

27
Q

What type of fat can be formed when oil goes through the process of hydrogenation?

A

trans fats

28
Q

What are the effects of excess fat in the diet?

A

weight gain

29
Q

What can excess saturated fat do?

A

raise blood cholesterol levels

30
Q

What are some health problems associated with trans fats?

A

heart disease, cancer

31
Q

What are the effects of fat deficiency?

A

stunted growth, poor supply of fat soluble vitamins