Freeze-drying

What is Freeze-drying?

Freeze-drying definition and meaning on Health terms:
Freeze-drying, also known as lyophilisation, is used to preserve a perishable material or make the material in a medicine more convenient for transport. It works by freezing the material and then allowing the frozen water in the material to change directly from the solid to the gas phase without passing through the intermediate liquid phase.

 

reference: https://www.eupati.eu/glossary/

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