Unit 3 - Nutrients in Food: Food groups Flashcards

1
Q

HOW are foods grouped?

A

According to:

  1. Their FUNCTIONS in the body
  2. The main NUTRIENTS they supply
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2
Q

NAME the 4 food/nutrient groups and the FUNCTION of each.

A
  1. Carbohydrates
    Function: Gives you energy.
  2. Proteins
    Function: Needed for growth and repair of the body.
  3. Fats and Oils
    Function: Gives you energy. Keeps you warm and protects your nerves and organs (insulation).
  4. Vitamins and Minerals
    Function:
    Vitamins keep your immune system healthy.
    Minerals build strong bones and teeth.
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3
Q

Carbohydrate foods contain ……. or ………

A

sugar or starch

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4
Q

Give 3 examples of SUGARY carbohydrate foods.

A

Sugar, Honey, Dried fruit, Cakes, Sweets, Fizzy drinks, Jam, Biscuits.

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5
Q

Give 5 examples of STARCHY carbohydrate foods.

A

Rice, Bread, Mielie meal, Potatoes, Pasta, Cereals

[R-B-M-P-P-C]

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6
Q

Give 5 examples of PROTEINS.

A

Meat, Fish, Cheese, Eggs, Beans

[M-F-C-E-B]

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7
Q

Give 4 examples of FATS & OILS.

A

Butter, Margarine, Sunflower oil, Avocados, Nuts

[B-M-S-A-N]

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8
Q

Give 2 examples of foods rich in VITAMINS.

A

FRUIT (apple, pear)

VEGETABLES (broccoli, carrots)

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9
Q

Give 2 examples of foods rich in MINERALS.

A

Milk, Yoghurt

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10
Q

Give 3 examples of MINERALS.

A

Calcium, Iron, Iodine.

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11
Q

WHY does your body store fat?

A

To keep an energy supply in reserve.

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12
Q

HOW does fat protect your body?

A

Layers of fat around your kidneys, bladder and liver cushion & protect them.

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13
Q

WHAT is fat?

A

A SOLID, energy-rich nutrient that does not mix with water.

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14
Q

WHAT is an oil?

A

A LIQUID, energy-rich nutrient that does not mix with water.

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15
Q

WHAT is a carbohydrate?

A

An energy-rich nutrient like sugar or starch.

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16
Q

WHAT is a protein?

A

A nutrient for growth and repair.

17
Q

WHAT is a vitamin?

A

A nutrient, like Vitamin C, for a healthy immune system.

18
Q

WHAT is a mineral?

A

A nutrient, like calcium, for strong bones and teeth.

19
Q

WHAT is insulation?

A

To protect something from loss of heat or damage.

20
Q

What is a food additive?

A

A substance added to food to preserve its flavour or improve its taste and appearance, such as sugar, salt, preservatives, flavourants and colourants.

21
Q

WHAT food additives are in polony?

A

FLAVOURANTS - Improve taste
MSG, salt & sugar

PRESERVATIVES - Last longer
Sodium nitrite & sodium nitrate

COLOURANTS - Improve appearance

22
Q

What does SODIUM NITRATE do?

A

It’s a preservative used for processed meat to make it last longer and keeps the meat looking pink (stops it from turning grey). Eg. hotdog sausages, bacon and ham.

23
Q

What is a flavourant?

A

A FOOD ADDITIVE used to improve a food product’s TASTE or SMELL.

24
Q

What is a preservative?

A

A FOOD ADDITIVE used to make a food product LAST LONGER.

25
Q

What is a colourant?

A

A FOOD ADDITIVE used to improve a food product’s APPEARANCE/LOOK.

26
Q

What are E-numbers?

A

Codes for chemicals that can be used as food additives.

27
Q

What E-numbers are used for COLOURANTS?

A

E100-199

28
Q

What E-numbers are used for PRESERVATIVES?

A

E200-299

29
Q

What E-numbers are used for FLAVOURANTS?

A

E600-699

30
Q

Give an example of a COLOURANT, its E-number and some food products it’s used in.

A

Tartrazine (yellow)
E102

  • Jelly
  • Instant puddings
  • Sweets
  • Chips
  • Some yoghurt drinks
31
Q

Give an example of a PRESERVATIVE, its E-number and some food products it’s used in.

A

Sulphur dioxide
E220

  • Fruit juices
  • Dried fruit
32
Q

Give an example of a FLAVOURANT, its E-number and some food products it’s used in.

A
Monosodium glutamate (MSG)
E621
  • Doritos chips
  • Pringles chips
  • KFC
33
Q

What TYPES of foods contain food additives?

A

Processed or manufactured foods.

34
Q

What does a FOOD LABEL tell us?

A

It tells us what NUTRIENTS and ADDITIVES are in the food.