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What are freeze-dried foods and their advantages?
Freeze-drying is the sublimation of moisture, while drying is the evaporation of moisture. The former is the moisture in the ingredients directly from the solid state to the gaseous state, so in the drying process. The physical structure of the ingredients is maintained to a large extent, while the latter is to change the moisture from liquid to gaseous state.
2025/03/25
How Freeze-Drying (FD) Technology is Revolutionizing the Health Food Industry
Unlike frying or baking and making powders with spray drying, lyophilization is the dehydration and drying of food products by placing them under a vacuum after freezing.
What are the differences between freeze-drying and conventional drying?
The products obtained from drying generally have the problem of volume becoming small, material hardening, most of the volatile ingredients will be damaged, some heat-sensitive substances produce transmutation, inactivity, and some substances and even the occurrence of air oxidation.
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2025/03/28