CN101595905A - A kind of freezing method of steamed crab - Google Patents

Abstract

The present invention relates to a kind of preparation method of frozen food, specifically is a kind of freezing method of steamed crab.The present invention is realized by following steps: the raw material arrangement; Clean; Remove the crab shell; Cut crab and scrub; Rinsing and draining; Quick-frozen; Pallet and refrigeration.Effect of the present invention is: preserve the nutritional labeling of steamed crab itself, prevent to damage ulceration, guarantee food quality.

Description

A kind of freezing method of steamed crab

One, technical field:

The present invention relates to a kind of preparation method of frozen food, specifically is a kind of freezing method of steamed crab.

Two, background technology:

HUANGHE ESTUARY wetland steamed crab, kind is pure, and growth is fast, and is individual big, meat delicate flavour U.S., meat is fine and smooth and flexible, becomes individual average weight 100 grams of crab～200 grams, maximum can reach 450 grams, and its profile, quality, specification all can compare favourably with the Jiangsu and Zhejiang Provinces steamed crab of China.According to one's analysis, HUANGHE ESTUARY steamed crab edible part protein content is up to 23%, carbohydrate 6.8%, fat 5.8%, vitamin a, d, b1 and b2 all are significantly higher than Lu Sheng and other aquatic animals, and contain mineral matters such as abundant calcium, phosphorus, iron, therefore, the HUANGHE ESTUARY steamed crab is subjected to liking of consumers in general with its good quality, high nutritive value and unique local flavor, is described as by " natural good merchantable brand ", and it is domestic to be in great demand.But because the maturity period of river crab concentrates on the time in the mid-autumn, seasonality is strong, has only just can obtain the autumn and winter of steamed crab maturation, can't eat delicious steamed crab other season.

Three, summary of the invention:

Purpose of the present invention is exactly the defective that exists at prior art, provides a kind of preservation good, the freezing method of steamed crab delicious in taste.

The present invention is realized by following steps:

1) raw material arrangement, selection 200g is above, complete, the unabroken steamed crab of crab claw is a raw material, insures with layer ice;

2) clean, clean raw material, carry out the secondary raw material arrangement simultaneously with clear water;

3) remove the crab shell, peel off the cap of raw material crab, remove its internal organ, umbilical region and attachment;

4) cut crab and scrub, the crab body half-and-half is cut into two, scrub clean with the cleaning frozen water about 0 ℃;

5) rinsing and draining place the stainless steel wire cage with the crab piece of putting in order, and the cleaning brine ice of putting into saliferous 2% soaked for 15 seconds, then the drop water purification;

6) quick-frozen, temperature adopt about-35 ℃ temperature to freeze, outbound when freezing to temperature-18 ℃;

7) pallet and refrigeration with 0 ℃ frozen water pallet and plating water glaze, are earlier used plastic film packaging, and the carton of packing into then is good with packed in cases again, send into immediately in-20 ℃ the freezer to refrigerate.

Effect of the present invention is: preserve the nutritional labeling of steamed crab itself, prevent to damage ulceration, guarantee food quality.

Four, the specific embodiment

Below by the specific embodiment, this product is described further:

Raw material of the present invention is the HUANGHE ESTUARY steamed crab that the Huanghe delta produces, all select for use more than the 200g, vitality is vigorous, and the steamed crab that crab claw is complete is through cleaning, remove the crab shell, scrub, packing after the stripping and slicing, product is sent into instant freezer to be freezed, rapidly product temperature is dropped to about-35 ℃, product is freezed, crystal ice granule is little in the product like this, evenly, quality better.The cold storage in-20 ℃ freezer of product after will freezing.This product can at utmost keep the quality of crab, improves the seasonality of crab, has good market prospects.

Claims (1)

1, a kind of freezing method of steamed crab, it is characterized in that: it is realized by following steps:

1) raw material arrangement, selection 200g is above, complete, the unabroken steamed crab of crab claw is a raw material, insures with layer ice;

2) clean, clean raw material, carry out the secondary raw material arrangement simultaneously with clear water;

3) remove the crab shell, peel off the cap of raw material crab, remove its internal organ, umbilical region and attachment;

4) cut crab and scrub, the crab body half-and-half is cut into two, scrub clean with the cleaning frozen water about 0 ℃;

5) rinsing and draining place the stainless steel wire cage with the crab piece of putting in order, and the cleaning brine ice of putting into saliferous 2% soaked for 15 seconds, then the drop water purification;

6) quick-frozen, temperature adopt about-35 ℃ temperature to freeze, outbound when freezing to temperature-18 ℃;

7) pallet and refrigeration with 0 ℃ frozen water pallet and plating water glaze, are earlier used plastic film packaging, and the carton of packing into then is good with packed in cases again, send into immediately in-20 ℃ the freezer to refrigerate.