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A kind of acidic electrolytic ice and preparation method thereof

A technology of acidic electrolysis and electrolysis of ice, which is applied in the field of material chemistry, can solve the problems of the taste and sensory characteristics of fresh squid, the impact on the environment and human health, and the complicated preparation of fresh-keeping technology, achieving excellent oxidation resistance and low redox potential value , good fresh-keeping effect

Active Publication Date: 2021-10-26
浙江海润达科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The fresh-keeping technology in the above-mentioned prior art is complicated to prepare, and all components are chemical reagents, which will affect the taste and sensory properties of fresh squid, and may affect the environment and human health at the same time

Method used

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  • A kind of acidic electrolytic ice and preparation method thereof
  • A kind of acidic electrolytic ice and preparation method thereof
  • A kind of acidic electrolytic ice and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064] Get 1000g containing 2g of NaCl, 0.15g of HCl (surplus is water, i.e. 997.85g of HCl) 2 (2) mixture as the mixture to be electrolyzed (in the mixture to be electrolyzed, the mass percent concentration of NaCl is 0.2%, and the mass percent concentration of HCl is 0.015%), the above-mentioned mixture to be electrolyzed is under the conditions of 220V voltage and 2A electric current Electrolysis was carried out at room temperature of 20° C. for 250 minutes under standard atmospheric pressure (per 40 g of the mixture was electrolyzed for 10 minutes) to obtain an electrolyte solution.

[0065] After testing, the pH of the electrolyte solution (acidic electrolytic ice obtained at last) is 6.5, the available chlorine concentration is 40 mg / L, and the oxidation-reduction potential value is 650 mV.

[0066] Using liquid nitrogen to rapidly freeze the above electrolyte into a solid within 10 seconds, that is, to obtain acidic electrolytic ice. The acidic electrolytic ice is crus...

Embodiment 2

[0093] Except for the following operating parameters, others are the same as in Example 1.

[0094] Adjust the mass percent concentration of NaCl in the mixture to be electrolyzed to 0.1%;

[0095] Adjust the mass percent concentration of HCl in the mixture to be electrolyzed to 0.03%.

[0096] After testing, the pH of the electrolyte solution (acidic electrolytic ice obtained at last) was 6, the available chlorine concentration was 45 mg / L, and the oxidation-reduction potential value was 668 mV.

Embodiment 3

[0098] Except for the following operating parameters, others are the same as in Example 1.

[0099] Adjust the mass percent concentration of NaCl in the mixture to be electrolyzed to 0.15%;

[0100] Adjust the mass percent concentration of HCl in the mixture to be electrolyzed to 0.01%.

[0101] After testing, the pH of the electrolyte solution (acidic electrolytic ice obtained at last) was 6.8, the available chlorine concentration was 42mg / L, and the oxidation-reduction potential value was 655mV.

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Abstract

The invention belongs to the field of material chemistry and provides an acidic electrolytic ice and a preparation method thereof. The acidic electrolytic ice is formed by electrolysis of a mixture of the following components by weight: 0.1-0.2 parts by weight of NaCl, 0.01-0.03 parts by weight of HCl, h 2 O 99.7-99.9 parts by weight. The acidic electrolytic ice provided by the invention is weakly acidic, so it has no effect on the sensory quality of squid, and at the same time, the concentration of available chlorine is relatively low, and it has no harm to the health of eaters while having a bactericidal effect; the oxidation-reduction potential value is also low, It has excellent anti-oxidation and better fresh-keeping effect.

Description

technical field [0001] The invention belongs to the field of material chemistry, in particular to an acidic electrolytic ice and a preparation method thereof. Background technique [0002] Squids are one of the most important commercial cephalopods. Its catch averaged more than 70 percent of the total cephalopod fishery between 2003 and 2013. Squid due to its unique organoleptic properties and high nutritional value, the growing demand for fresh or minimally processed squid products has stimulated the development of the fishery industry. However, due to its special composition, squid is extremely prone to frequent contamination by Gram-negative bacteria and is not easy to preserve. During processing, storage or transportation, squid is prone to a series of quality deterioration such as muscle atrophy, lipid oxidation, protein denaturation, microbial growth, and discoloration. Tap water ice cubes have been widely used in the preservation of seafood as a traditional fresh-k...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23B4/24
CPCA23B4/24
Inventor 宋文东郭健蔡璐
Owner 浙江海润达科技有限公司
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