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Aquatic product fresh-keeping and quick-freezing forming method

A technology of aquatic products and preservatives, which is applied in the direction of preserving meat/fish with chemicals, and preserving meat/fish through freezing/cooling, etc. It can solve the problem that aquatic product preservation and quick-freezing cannot be satisfied at the same time, and aquatic products cannot be kept fresh , The single type of aquatic products in transportation, etc., to achieve the effect of saving freezing time, fast freezing and forming, and increasing profits

Pending Publication Date: 2020-11-20
怀化市明友食品有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the invention is to provide a method for fresh-keeping and quick-freezing of aquatic products, which solves the problem that there are various types of aquatic products, and different types of aquatic products have different fresh-keeping conditions during transportation. It cannot meet the market demand for various aquatic products; moreover, in order to maintain the freshness of aquatic products, water and oxygen are often required during transportation, which increases transportation costs and cannot complete long-distance transportation; for quick-frozen water The product cannot be well kept fresh, so it has caused the problem that the freshness of aquatic products and the quick-freezing molding cannot be satisfied at the same time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A method for fresh-keeping and quick-freezing of aquatic products, the method comprising the following steps:

[0038] Step 1. Pre-treatment: Soak fresh and alive aquatic products in clean water, take them out, wash them, slaughter them, and cut them into pieces;

[0039] Step 2. Sterilization: put the pretreated aquatic product into an aqueous solution of 0.5% by weight polyhexamethyleneguanidine for soaking and sterilization;

[0040] Step 3, pre-cooling: pre-cooling the aquatic products after sterilization;

[0041] Step 4. Immerse the preservative solution: soak the pre-cooled aquatic products in the slightly frozen preservative aqueous solution at 5°C. After soaking, take out the aquatic products and quickly cool them down to -20°C. The surface of the surface is quickly frozen to form a thin layer of ice coat of preservative solution;

[0042] Step 5. Packaging: wrap the surface of the aquatic product impregnated with preservative quickly with a layer of preserva...

Embodiment 2

[0052] A method for fresh-keeping and quick-freezing of aquatic products, the method comprising the following steps:

[0053] Step 1. Pre-treatment: Soak fresh and alive aquatic products in clean water, take them out, wash them, slaughter them, and cut them into pieces;

[0054] Step 2. Sterilization: Put the pre-treated aquatic product into an aqueous solution of 2% by weight polyhexamethyleneguanidine to soak and sterilize;

[0055]Step 3, pre-cooling: pre-cooling the aquatic products after sterilization;

[0056] Step 4. Soak preservative solution: Soak the pre-cooled aquatic products in the slightly frozen preservative aqueous solution at 8°C. After soaking, take out the aquatic products and quickly cool them down to -10°C. The surface of the surface is quickly frozen to form a thin layer of ice coat of preservative solution;

[0057] Step 5. Packaging: wrap the surface of the aquatic product impregnated with preservative quickly with a layer of preservative film, and th...

Embodiment 3

[0067] A method for fresh-keeping and quick-freezing of aquatic products, the method comprising the following steps:

[0068] Step 1. Pre-treatment: Soak fresh and alive aquatic products in clean water, take them out, wash them, slaughter them, and cut them into pieces;

[0069] Step 2. Sterilization: Put the pre-treated aquatic product into an aqueous solution of 4% by weight polyhexamethyleneguanidine to soak and sterilize;

[0070] Step 3, pre-cooling: pre-cooling the aquatic products after sterilization;

[0071] Step 4. Soak preservative solution: Soak the pre-cooled aquatic products in the slightly frozen preservative aqueous solution at 10°C. After soaking, take out the aquatic products and quickly cool them down to -8°C. The surface of the surface is quickly frozen to form a thin layer of ice coat of preservative solution;

[0072] Step 5. Packaging: wrap the surface of the aquatic product impregnated with preservative quickly with a layer of preservative film, and t...

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PUM

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Abstract

The invention discloses an aquatic product fresh-keeping and quick-freezing forming method. The method comprises the following steps: pretreatment; sterilization; pre-cooling; soaking in a preservative solution: soaking an aquatic product subjected to the pre-cooling in a partial freezing preservative aqueous solution at a temperature of 5-10 DEG C, taking out the aquatic product after soaking isfinished, and quickly cooling the aquatic product to -20 DEG C to -8 DEG C, so that a layer of light and thin preservative solution ice coating is formed on the surface of the aquatic product throughquick freezing; vacuum packaging; quick-freezing and forming: putting the packaged aquatic product into a freezer at a temperature of -25 DEG C, and performing quick freezing until the central temperature is 0-4 DEG C; and storing: vacuumizing the air between the preservative film and the sealing bag, putting the aquatic product into a freezer at 0-4 DEG C for low-temperature storage. With the method, the freshness of the product can be well guaranteed, and meanwhile, the product can be quickly frozen and formed, so that while the taste of the aquatic product is guaranteed, the freezing time is saved, the working efficiency is improved, the transportation cost can be reduced, the profits of enterprises are increased, and long-term development is facilitated.

Description

technical field [0001] The invention relates to the technical field of fresh-keeping and quick-freezing of aquatic products, in particular to a method for fresh-keeping and quick-freezing of aquatic products. Background technique [0002] Aquatic products are the general term for aquatic animal and plant products and their processed products produced by marine and freshwater fisheries. Including: (1) Fish, shrimp, crab, shellfish, algae, sea animals and other fresh products produced by fishing and breeding; (2) Processing after freezing, pickling, drying, smoking, cooking, canning and comprehensive utilization product. Aquatic food is rich in nutrition and has different flavors. Fishmeal, concentrated fish juice, etc. made from low-value fish and processing waste are important protein feeds. Protein aquatic products made from aquatic animals and plants, such as oils, gums, vitamins, hormones and other products, are chemical and medical supplies with multiple uses. [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B4/06A23B4/20
CPCA23B4/06A23B4/20
Inventor 彭伟峰谢茂兵彭珍熊子瑜彭炜
Owner 怀化市明友食品有限责任公司