Food preservation prevents spoilage by controlling conditions that allow microorganisms to grow. It retains nutrients and quality, increases income, and makes food available year-round to support economic development. The main methods are drying, which removes moisture either naturally under the sun or artificially using heated air devices, and drying under the sun where salted food is placed in the open air.

1. W H I C H K I N D O F P R E S E R V E D F O O D D O Y O U L I K E ?
FOOD PRESERVATION AND
ITS SIGNIFICANCE

2. WHAT IS FOOD PRESERVATION?
Food Preservation-is the process of
preventing food spoilage by creating
conditions under which microorganisms
cannot multiply and grow.

3. IMPORTANCE OF FOOD PRESERVATION
1.prevent spoilage of food
2.Retain the nutritive value and texture of food
3.Maintain the good and sanitary quality of the product
4.Increase family income by the sale of preserved food
5.Help in the economic development of the country
6.Make food readily available throughout the year

4. METHODS OF FOOD PRESERVATION
1. Drying- is the removal of moisture or water in food.
Moisture content of food is reduced either by natural
(drying under the sun) or artificial (drying using mechanical
device)
a. Drying using mechanical devices
- This method uses artificial heated air with controlled conditions of
temperature, humidity, air flow.

5. A. MECHANICAL DRYING

6. B. DRYING UNDER THE SUN
-this method is dependent on the sun
-food is salted and placed on flat containers for sun drying