CN103858997A - Novel method for freezing and processing freshwater fish - Google Patents

Abstract

The invention discloses a novel method for freezing and processing freshwater fish. The method comprises the following technical steps of (1) raw material treatment; (2) panning; (3) freezing and refrigeration; and (4) packaging. Compared with the prior art, the method disclosed by the invention has a good effect, can effectively keep fish fresh and is low in use cost.

Description

A kind of method of Novel freezing processing fresh-water fishes

Technical field

The invention belongs to fish culture technical field, more specifically relate to a kind of method of Novel freezing processing fresh-water fishes.

Background technology

Fish meat flavour deliciousness, nutritious, be the mankind's important foodstuffs.The 50-70% of the about percentage of liveweight of edible part of fresh-water fishes, its ratio because of fingerling different different.The protein content of fish body is generally in 20% left and right.Experimental analysis shows, the composition of its muscle amino acid is very similar to the amino acid of tissue, thereby easily by human body digestibility and utilization.From nutrition angle, freshwater fish is the animal protein source of ideals of human being, and extremely people's favor, is regarded as nourishing food since ancient times.

Concentrate the harvest time of aquatic products, moisture is large, bacterium is carried many (especially head, the gill, internal organ), autolysis is strong, thereby very easily corrupt, impact circulation and market sale, be necessary fishing for for this reason, strengthen in transport, storage fresh-keepingly, and adopt different processing methods to make various food supplys market, to meet the needs of people's life.So fish processing of aquatic products is the continuity that cultivates, fishes for, and is the indispensable part of whole fish production.

Summary of the invention

The object of the invention is to overcome the deficiency that prior art exists, a kind of method of Novel freezing processing fresh-water fishes is provided.

For achieving the above object, the present invention has taked following technical scheme:

A method for Novel freezing processing fresh-water fishes, comprises following technical step:

(1) raw material processing;

(2) sabot;

(3) freeze, cold storage;

(4) packaging.

Raw material after the raw material of described step (1) is treated to by inspection, should select by grade carefulness, processes respectively.

The sabot of described step (2) is fish raw material after treatment, with clean fish dish splendid attire, makes fish body belly downward, the two ends of head rest dish, and jam-packed mutually, fin tail should be made in order, can place the second layer.While putting second layer fish, belly should be upward.With good conditionsily should keep cold chain or air-conditioning temperature-reducing.

The freezing of described step (3), cold storage are that the fish dish installing is sent into quick-freezing room quick-frozen.Now room temperature can be reduced to-30 to-40 DEG C, when freeze the central temperature of product fish while being down to below-30 DEG C, be freeze complete; The quick-frozen time is no more than 12 hours; After quick-frozen, transport immediately disk stripping glazing; The water temperature of glazing should be below 0 DEG C, and the time is within 20 seconds.

Compared with prior art, method of the present invention has good effect, can effectively make fish keep the beneficial effects such as freshness, use cost be lower.

Detailed description of the invention

Below in conjunction with specific embodiment, the invention will be further described.

Embodiment 1

A method for Novel freezing processing fresh-water fishes, comprises following technical step:

(1) raw material processing;

(2) sabot;

(3) freeze, cold storage;

(4) packaging.

Raw material after the raw material of described step (1) is treated to by inspection, should select by grade carefulness, processes respectively.

The sabot of described step (2) is fish raw material after treatment, with clean fish dish splendid attire, makes fish body belly downward, the two ends of head rest dish, and jam-packed mutually, fin tail should be made in order, can place the second layer.While putting second layer fish, belly should be upward.With good conditionsily should keep cold chain or air-conditioning temperature-reducing.

The freezing of described step (3), cold storage are that the fish dish installing is sent into quick-freezing room quick-frozen.Now room temperature can be reduced to-30 to-40 DEG C, when freeze the central temperature of product fish while being down to below-30 DEG C, be freeze complete; The quick-frozen time is no more than 12 hours; After quick-frozen, transport immediately disk stripping glazing; The water temperature of glazing should be below 0 DEG C, and the time is within 20 seconds.

Claims (1)

1. a method for Novel freezing processing fresh-water fishes, is characterized in that, comprises following technical step:

(1) raw material processing;

(2) sabot;

(3) freeze, cold storage;

(4) packaging;

Raw material after the raw material of described step (1) is treated to by inspection, should select by grade carefulness, processes respectively;

The sabot of described step (2) is fish raw material after treatment, with clean fish dish splendid attire, makes fish body belly downward, the two ends of head rest dish, and jam-packed mutually, fin tail should be made in order, can place the second layer; While putting second layer fish, belly should be upward; With good conditionsily should keep cold chain or air-conditioning temperature-reducing;

The freezing of described step (3), cold storage are that the fish dish installing is sent into quick-freezing room quick-frozen.Now room temperature can be reduced to-30 to-40 DEG C, when freeze the central temperature of product fish while being down to below-30 DEG C, be freeze complete; The quick-frozen time is no more than 12 hours; After quick-frozen, transport immediately disk stripping glazing; The water temperature of glazing should be below 0 DEG C, and the time is within 20 seconds.