1. LESSON-4 CLASS-V

2. FOOD GET SPOILED All vegetables,fruits,and cooked food get spoiled at room temperature after some time.Such food lose colour flavour,and taste.

3. Growth of bacteria and fungi in the stored food

4. Food preservation The process in which the perishable food materials are given a suitable physical or chemical treatment to prevent their spoilage.

5. Food can be preserved by several methods Boiling Freezing Salting Oiling canning Drying Sweetening Pasteurization

6. SALTING

8. BOILING

9. CHEMICAL PRESERVATION

10. FREEZING Food kept in a cool place stays fresh for longer time.t home we store food in refrigerator. Deep freezer is used for storing food for longer time.

11. CANNING

12. SWEETENING

13. OILING

14. DRYING

15. PASTEURIZATION

16. Items made from ripe and unripe mangoes Ripe mangoes-aam papad,jam.jelly,juice.squashes Unripe mangoes-pickle. Chutney. murabbas

20. Types of mangoes

21. MAMIDI TANDRA