Understanding Solar Food Dryers

摘要

Dehydration, or drying, is a simple, low-cost way to preserve food that might otherwise spoil. Drying removes water and thus prevents fermentation or the growth of molds. It also slows the chemical changes that take place naturally in foods, as when fruit ripens. Surplus grain, vegetables, and fruit preserved by drying can be stored for future use. (Copyright (c) Volunteers in Technical Assistance, Inc., 1984.)