FOOD TECHNOLOGY

Detailed explanation-1: -dehydration, in food processing, means by which many types of food can be preserved for indefinite periods by extracting the moisture, thereby inhibiting the growth of microorganisms. Dehydration is one of the oldest methods of food preservation and was used by prehistoric peoples in sun-drying seeds.

Detailed explanation-2: -Food dehydration is one of the oldest unit operations used by the food processing industry. Food dehydration is a process of reducing moisture of food to low levels for improved shelf life by adding one or more forms of energy to the food.

Detailed explanation-3: -Drying (dehydrating) food is one of the oldest and easi-est methods of food preservation. Dehydration is the process of removing water or moisture from a food product. Removing moisture from foods makes them smaller and lighter.

Detailed explanation-4: -Foods can be dehydrated by various means: the sun, a conventional oven, an electric dehydrator, a microwave oven (for herbs only), air drying and solar drying. Dehydration, like other preservation methods, requires energy.