Question

what is drying and dehydration​

Answer 1

Drying or dehydration is, by definition, the removal of water by evaporation, from a solid or liquid food, with the purpose of obtaining a solid product sufficiently low in water content. The main technological objectives of food dehydration are:

• Preservation as a result of depression of water activity.

Answer 2

Drying is the process of removal of solvent from a solid, semi-solid or a liquid whereas dehydration is the removal of water from the water-containing compound. But we have to control the conditions such as humidity and temperature for the dehydration purpose.


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