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The primary purpose of freeze drying within the food industry is to extend the shelf-life of the food while maintaining the quality. [1] Freeze-drying is known to result in the highest quality of foods of all drying techniques because structural integrity is maintained along with preservation of flavors. [1]
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 . Dehydration has been used widely for this purpose since ancient times; the earliest known practice is 12,000 B.C. by inhabitants of the modern Asian and Middle ...
Freeze-dried foods were developed so that foods could be sent on long-duration spaceflights (e.g. to the Moon), and to reduce the weight of the water and oxygen (which both play a significant role in food deterioration [1]) normally found in food. The process of freeze-drying also eliminates the possibility of food melting and spilling as ...
Freeze-dried fruit is a crunchy, colorful, nutritious version of your favorite berries or bananas. But keep this in mind before eating it, dietitians say. Freeze-dried fruit can be a healthy snack ...
Whether choosing to preserve food by canning, freezing or drying, remember there are guidelines to follow for the best results in safety and flavor.
Freeze drying can produce healthy snacks with fruits and vegetables, as well as reduce food waste.