Freeze

Freeze-drying, or , is a sophisticated method used to preserve high-value items while maintaining their original structure and nutrition.

: Avoid freezing mayonnaise, gelatin, or crumb toppings (like those on casseroles), as they often become soggy or separate upon thawing . Freeze

: Solidifying the water content rapidly to protect cellular structure. Primary Drying : Sublimation under a vacuum. Freeze-drying, or , is a sophisticated method used

: Common instances include water turning into ice cubes, sea ice forming, or melted candle wax hardening as it cools. sea ice forming

: Used for stabilizing vaccines , proteins, and antibiotics.

: Unique among most substances, water expands when it freezes, which can lead to practical issues like frozen and burst water pipes . 2. Freeze-Drying Technology