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Step-by-Step Tutorial
PRACTICAL WALKTHROUGH · PARAMETERS · COMMON MISTAKES
Cryogenic spray‑freezing rapidly freezes food by atomizing liquid nitrogen or CO₂ onto the surface, producing sub‑10 µm ice crystals and vitrifying intracellular water.
Origin: Japanese (modern) — Japan
See full technique reference →The process achieves freezing rates of 10⁴–10⁵ K s⁻¹, which limits ice‑crystal growth and prevents osmotic shock. Rapid nucleation leads to amorphous ice formation, preserving protein conformation and cellular integrity. The extreme temperatures also suppress enzymatic activity and microbial growth, extending shelf life.
Primary Reaction
Rapid nucleation and vitrification of intracellular water
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