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Step-by-Step Tutorial
PRACTICAL WALKTHROUGH · PARAMETERS · COMMON MISTAKES
Dehydration removes water to inhibit microbial growth and extend shelf life.
Origin: various (ancient to modern) — global
See full technique reference →Freeze‑drying (lyophilization) sublimates ice under vacuum, preserving structure and flavor; spray drying atomizes a liquid into hot air, producing powders with rapid moisture removal; sun‑drying relies on ambient heat and low humidity, but is vulnerable to oxidation and contamination.
Primary Reaction
water removal by sublimation or evaporation
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