June 28, 2024
Ileleji: Solar powers novel dryer for preserving crops
Humankind has been drying food to preserve it since prehistoric times. Food dehydration removes the moisture from food to inhibit the growth of bacteria and mold in order to increase its shelf life. Food typically is dehydrated by using heated air in an electric or gas-fired oven; drying in a solar dryer, which concentrates the heat; employing a desiccant; leaving a product to dry in the open air; or sun drying in the open air.