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A kind of bridging agent for liquid quick-freezing and preparation method thereof

A refrigerant and liquid technology, which is applied in the preparation of liquid quick-freezing refrigerant and the field of liquid quick-freezing refrigerant, can solve the problems of high cost, insufficient stability, high freezing point of alcohol refrigerant, and achieve viscosity The effect of small size, lower temperature and lower production cost

Active Publication Date: 2022-04-19
SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The first object of the present invention is to provide a liquid quick-freezing refrigerant, which solves the problems of high freezing point, insufficient stability and high cost of alcohol refrigerants in the prior art

Method used

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  • A kind of bridging agent for liquid quick-freezing and preparation method thereof
  • A kind of bridging agent for liquid quick-freezing and preparation method thereof
  • A kind of bridging agent for liquid quick-freezing and preparation method thereof

Examples

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Effect test

Embodiment 1

[0034] A liquid quick-freezing refrigerant, which is composed of the following components in mass percentage: 3% citric acid, 10% fructooligosaccharide, 2.5% calcium chloride, 19.5% edible ethanol, 9.5% food grade propylene glycol, sodium chloride 2.5%, water 53%.

[0035] The preparation method of the brine for the above-mentioned liquid quick-freezing comprises the following steps:

[0036] When preparing, first dissolve citric acid, calcium chloride, sodium chloride, and fructooligosaccharides in water, add propylene glycol, stir evenly, and then add ethanol to obtain the brine for liquid quick-freezing in this embodiment.

[0037] Figure 1-Figure 4 It is citric acid, fructo-oligosaccharide, calcium chloride, ethanol and propylene glycol mixed with water respectively in the refrigerant of the liquid quick-freezing of the present invention, and the changing situation of the freezing point of solutions in different additions in water. From these curves, it can be seen that ...

Embodiment 2

[0040] A liquid quick-freezing refrigerant, composed of the following components in mass percentage: 3.5% citric acid, 9% fructooligosaccharide, 3.5% calcium chloride, 15.6% edible ethanol, 9.9% food grade propylene glycol, sodium chloride 1.5%, water 57.0%.

[0041] The preparation method of the brine for liquid quick-freezing in this embodiment is the same as that in Embodiment 1.

[0042] Taking grouper fillets as an example, the grouper fillets are trimmed, and the grouper fillets with a size of 5cm*0.5cm*3cm are neatly placed on food-grade plastic trays and vacuum-packed. Put the liquid quick-freezing brine prepared by the above formula into the quick-freezing machine, first cool down the brine to the set temperature -50°C, then put the packaged grouper fillets into the brine, and freeze until It only takes 15 minutes for the core temperature to reach below -18°C.

Embodiment 3

[0044] A liquid quick-freezing refrigerant, composed of the following components in mass percentage: 5.5% citric acid, 12% fructooligosaccharide, 4% calcium chloride, 19.9% ​​edible ethanol, 7.9% food grade propylene glycol, sodium chloride 2%, water 48.7%.

[0045]The preparation method of the brine for liquid quick-freezing in this embodiment is the same as that in Embodiment 1.

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PUM

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Abstract

The invention provides a liquid quick-freezing refrigerant, which is composed of the following components in mass percentage: 2.5-6% citric acid, 9-12% fructo-oligosaccharide, 1.5-4.0% calcium chloride, and 14-14% edible ethanol 20%, Food Grade Propylene Glycol 7‑10%, Sodium Chloride 1.5‑3%, the balance is Water. Each component of the liquid quick-freezing refrigerant of the present invention is a food-grade additive, with low freezing point, moderate viscosity, good stability, safety and obvious effect, low production cost, and no pollution to the environment; it is suitable for aquatic products It can better maintain the freshness and quality of aquatic products, and can also be used for quick freezing processing of frozen convenience foods, which can effectively improve the economic benefits of production enterprises.

Description

technical field [0001] The invention belongs to the technical field of fresh-keeping processing, and in particular relates to a bridging agent for liquid quick-freezing, and also relates to a preparation method of the bridging agent for liquid quick-freezing. Background technique [0002] my country is a big producer of aquatic products, and its output ranks first in the world. Aquatic products are easily spoiled and deteriorated after being released from water, so the preservation technology of aquatic products is very important. Low-temperature fresh-keeping technology is the most widely used, which can effectively inhibit the enzyme activity and microbial growth of aquatic products, and prolong the shelf life of aquatic products. [0003] The traditional freezing technology mainly includes air forced convection freezing and indirect contact freezing technology, which has high energy consumption, low freezing efficiency, uneven freezing, and easy dry consumption, especial...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K5/10A23B4/08
CPCA23B4/09A23B4/20A23B4/24A23L3/3562A23L3/358A23V2002/00A23V2200/10A23V2200/221A23V2250/032A23V2250/28
Inventor 吴燕燕张涛李来好杨贤庆林婉玲邓建朝胡晓郝淑贤陈胜军岑剑伟赵永强杨少玲李春生
Owner SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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