Red shrimp preservative and preparation method thereof

A preservative, red shrimp technology, applied in the direction of using chemicals to preserve meat/fish, etc., can solve the problems that the red shrimp cannot be effectively inhibited from fading, dehydration, and carapace fall off, the preservative has poor fresh-keeping effect, and has a single effect, and achieves Low cost, excellent bacteriostatic and fading effects
CN104872269AActive Publication Date: 2015-09-02MARINE FISHERIES RES INST OF ZHEJIANG
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
MARINE FISHERIES RES INST OF ZHEJIANG
Publication Date
2015-09-02
Patent Text Reader

Abstract

The invention discloses a red shrimp preservative which is composed of the following ingredients, by weight, 0.01-0.03% of glucose oxidase, 1-3% of glucose, 0.3-0.5% of dithiothreitol, 0.03-0.05% of nisin, 0.5-1% of sodium caseinate, 0.01-0.05% of modified nano-SiO2, 0.02-0.05% of monoglyceride, 1-2% of chitosan, 0.05-0.1% of metallothionein, 3-5% of rosmarinic acid and the rest being 0.5-1% of an aqueous acetic acid solution. The red shrimp preservative provided by the invention has a scientific and reasonable formula, is low-cost, has excellent bacteriostatic, fresh-keeping, color-protecting and anti-blackening effects, can simultaneously inhibit color-fading, blackening, spoilage and carapace detachment of red shrimp, and can prolong freshness lifetime of red shrimp. By the use of the red shrimp preservative, quality of red shrimp is good. The invention also discloses a preparation method of the red shrimp preservative. The preparation method has advantages of simple preparation step, low investment in equipment and low cost, and is suitable for large-scale industrial production.
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Description

technical field

[0001] The invention relates to the technical field of fresh-keeping aquatic products, in particular to a fresh-keeping agent for red shrimp and a preparation method thereof. Background technique

[0002] Red shrimp, named Solenocera Melantho in Latin, is widely distributed in the East my country Sea, the southern Yellow Sea and the South China Sea. It is a dominant species in Zhejiang's offshore resources, especially in the central and northern parts of Zhejiang. Because it has a natural pink shrimp shell, the meat is tender and smooth, delicious, and rich in protein and various nutrients. It has high therapeutic value and can enhance the immunity of the human body. All have been highly praised by consumers.

[0003] It usually takes 3~5 days for the fishing boat to return to the port after the red shrimp is caught. In addition, the red shrimp fishing season is summer and autumn, the temperature is high, and the water content of the red shrimp is high, so...

Claims

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