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PowerPoint 153. Nutrients. Nutrients. Food contains different substances that are needed for health. These are nutrients, water and fibre. All food and drink provide nutrients. Different types of foods provide nutrients in different amounts. Nutrients.

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Presentation Transcript
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Nutrients

Food contains different substances that are needed for health. These are nutrients, water and fibre.

All food and drink provide nutrients.

Different types of foods provide nutrients in different amounts.

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Nutrients

  • Food is the source of energy for humans.
  • Energy is provided by the nutrients:
  • carbohydrate;
  • protein;
  • fat.
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Nutrients

  • Other nutrients are:
  • vitamins, e.g. Vitamin A, Vitamin C;
  • minerals, e.g. iron, calcium.

These are needed by the body to keep healthy.

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Fibre

Some foods also provide fibre.

Fibre is not digested by the body, but is needed to keep the gut healthy.

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Portion size

Different amounts of food provide different amounts of energy and nutrients.

The amount of food is known as a portion.

We eat different amounts of different types of food.

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Functions

Protein is needed for growth and repair.

Beef burgers

Tuna

What other foods provide protein?

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Functions

Carbohydrate provides the main source of energy for the body.

Potatoes

Pasta

What other foods provide carbohydrate?

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Functions

Fat is needed for health, but in small amounts.

Oil

Butter

What other foods provide fat?

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Functions

Vitamin A is needed for night vision.

Carrots

Eggs

What other foods provide Vitamin A?

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Functions

Vitamin C is needed for the maintenance of healthy skin.

Orange

Kiwi

What other foods provide Vitamin C?

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Functions

Iron is a mineral which is needed for healthy blood.

Roast beef

Baked beans

What other food provides iron?

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Functions

Calcium is a mineral which is needed for the growth and maintenance of strong bones and teeth.

Milk

Cheese

What other food provides calcium?

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Nutrients

Fibre is needed to help keep the gut healthy.

Wholemeal bread

Baked potato

What other foods provide fibre?

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Fruit and Vegetables

  • This group is one of the main provider of:
  • Vitamin A;
  • Vitamin C;
  • fibre.
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Bread, rice, potatoes, pasta and other starchy foods

This group provides carbohydrate. This is the main source of energy.

It also provides fibre.

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Milk and dairy foods

This is the main group to provide calcium.

It also provides Vitamin A.

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Meat, fish, eggs, beans and other non-dairy sources of protein

This is the main group to provide protein.

It also provides iron.

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Foods and drinks high in fat and/or sugar

This group provides fat and sugar (a form of carbohydrate).

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For further information, go to:

www.foodafactoflife.org.uk

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