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We often see the fish in frozen conditions and fed fresh fish ice cubes. Freezing fish used for fish mepertahankan nature. Freezing is usually done at a temperature of -12 C s / d -30 C because at this temperature the decay process stalled. For rapid freezing is done about 1-8 hours and slow freezing> 12 hours.
1 Sharp freezer fish is placed on a rack with cooling pipes freezing slow (12-15 hours) cooling material: ammonia, freon flowed in the pipes of fish: whole, shrimp, fillet, etc.. temperature: -30 s / d -45 C
4. Immersion Freezer (Brine Freezing) fish dipped in cold liquid for whole fish (tuna, tuna, shrimp) most effective liquid: 22.4% saline solution, eutectic liquid (at a temperature of -21 C is still liquid) type Other: - CaCl2 salt solution (-48 C), alcohol (-67 C)
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