Description
Instant freezing at –196 °C using liquid nitrogen preserves texture and flavor by limiting ice crystal growth.
Technical
The rapid temperature drop (<1 s) induces homogeneous nucleation throughout the sample, preventing the growth of large ice crystals that damage cellular membranes. This vitrification-like process halts enzymatic activity and oxidative reactions, maintaining the integrity of proteins, lipids, and volatile flavor compounds.
Science
Primary Reaction
Rapid nucleation and crystallization of water into ice at –196 °C
Sensory Profile
Aroma ()
coldneutralfreshcrispsharpmetallicclean
Origin & History
Civilization
Japanese and French