Notes

Food Technology protein revision
Protein helps growth and repair of muscels.Proteins are found in animal products like meat, fish, cheese, milk and eggs. Vegetable sources include soya-bean products, pulses and nuts.Carbohydrates
Carbohydrates are needed to give the body energy. There are two types of carbohydrate - starch and sugar.
Starch is found in cereals, cornflour, potatoes, pasta and flour.
Sugar is found in fruit, vegetables, honey, milk and malt products.
Fats help to provide concentrated sources of energy and help to insulate the body in cold weather. There are two main types.
Saturated fats are usually obtained from animal sources, for example butter and lard. The exceptions are coconut and palm oils.
Polyunsaturated fats come from vegetable sources, such as sunflower oil.

Vitamins
Vitamins are needed in very small amounts for growth and health. The main vitamins are vitamin A, the B complex of vitamins, vitamin C and vitamin D.
Uses and sources of vitamins
Vitamin
Need for
Sources
Vitamin A
- good vision
- healthy skin
- growth
- green and yellow vegetables
- dairy products
Vitamin B
(thiamin, riboflavin and niacin)
- release of energy from foods
- healthy skin
- breads
- milk
- eggs
Vitamin B12
- red blood cells
- meat
- milk
- fish
Vitamin C
- healthy skin
- protects cells
- helps absorb iron
- fruit
- vegetables
Vitamin D
- helps absorb calcium
- strong teeth and bones
- margarine
- oily fish