What is Freeze Dried Food?
Freeze-Drying Technique
Freeze-drying, also called lyophilization, is a dehydration technique that was first used by the food industry to process astronaut and military food. It helps to extend the shelf-life of food while preserving its original color and flavor. The freeze-drying process includes instant freezing at an extremely low temperature (under -40℃) and vacuum dehydration. [1]
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