In food processing, Dehydration means preserving many types of food for indefinite periods by extracting the moisture, thereby inhibiting the growth of micro organisms.
Sun-drying is the oldest known method. Now modern techniques have been developed for dehydration of vegetables. In this process, the products have better flavor, color, aroma, re-hydration acceptability, etc.
The dehydrated vegetables are used to make instant, ready to eat food, fast food, condiments & flavoring agent in sausages, pickles, chutneys, seasoning spices, etc.