Basic Science JSS1 First Term

Week 4

Family Health: Nutrition 4

Performance objectives:

1. Classes of Food.
2. Give an example of a balanced diet.

Content

Classification of Foods

Based on the nutrients in food, food substances are classified into:

1. Protein
2. Carbohydrates
3. Fats and oil (lipids)
4. Vitamins
5. Minerals
6. Water

Generally, all foods are categorized into:

Energy giving food: Carbohydrates and fats and oil

Body building – protein

Health preserving food – vitamins and minerals

Nutrients	Sources	Functions	Composition
Protein	Meat, milk, fish, poultry, beans, eggs, cheese	Supports growth and maintains healthy body cells	Carbon, hydrogen, oxygen, nitrogen, sulphur and phosphorus
Carbohydrates	Cereal, potatoes yam, bread, maize, sugar	Provides main source of energy for the energy	Carbon, hydrogen, oxygen
Fats and oil	Vegetable…