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Fish are preserved through such traditional methods as drying, smoking, and salting. [1] A whole potato, sliced pieces (right), and dried sliced pieces (left), 1943. Food drying is a method of food preservation in which food is dried (dehydrated or desiccated). Drying inhibits the growth of bacteria, yeasts, and mold through the removal of water.
A solar food dehydrator. Solar food drying involves using a solar dryer designed and built specifically for this purpose. Solar drying is distinctly different from open-air "sun drying," a simple technique used for thousands of years. A good solar food dryer may dry food much faster than some air dryers.
Various dried foods in a dried foods store An electric food dehydrator with mango and papaya slices being dried. This is a list of dried foods.Food drying is a method of food preservation that works by removing water from the food, which inhibits the growth of bacteria and has been practiced worldwide since ancient times to preserve food.
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The lower compartment of the desiccator contains lumps of silica gel, freshly calcined quicklime, Drierite, molecular sieves, phosphorus pentoxide, (not as effective) anhydrous calcium chloride, or other desiccant to absorb water vapor.
Vacuum drying is the mass transfer operation in which the moisture present in a substance, usually a wet solid, is removed by means of creating a vacuum.. In chemical processing industries like food processing, pharmacology, agriculture, and textiles, drying is an essential unit operation to remove moisture. [1]
A schematic of a direct solar dryer. Direct solar dryers expose the substance to be dehydrated to direct sunlight.Historically, food and clothing was dried in the sun by using lines, or laying the items on rocks or on top of tents. [2]
Freeze-drying is among the methods used to preserve animals in the field of taxidermy. When animals are preserved in this manner they are called "freeze-dried taxidermy" or "freeze-dried mounts". Freeze-drying is commonly used to preserve crustaceans, fish, amphibians, reptiles, insects, and smaller mammals. [31]