Efficient and fast method for extracting shrimp head inclusions

Abstract

The invention relates to an efficient and fast method for extracting shrimp head inclusions, comprising the following steps: a shrimp head of a plurality of shrimps such as fresh Litopenaeus vannamei, penaeuschinensis, metapenaeusensis and penaeusjaponicus serves as the raw material; adding a small amount of exogenous enzyme; fully activating activity of endogenous enzyme by adjusting pH value and temperature; employing coordinate hydrolytic action of the exogenous enzyme and the endogenous enzyme for efficiently extracting inclusions in the shrimp head; competing extracting inclusions in the shrimp head in 3h; in the invention, proteolysis degree of the shrimp head is more than 48%, protein recovery rate is more than 87%, the extractive is free from bitter taste, content of flavor-presenting amino acids is high, amino acid composition is balanced and nutrition is comprehensive; therefore the shrimp head inclusions are a good material for preparing seasoner and nutritional food.

Description

technical field [0001] The invention relates to a preparation method of aquatic enzymatic protein, in particular to an enzymatic extraction method of shrimp head protein. Background technique [0002] Shrimp is the main product of aquaculture and export in my country. According to statistics, in 2007, 1.26 million tons of prawns were farmed in China, accounting for more than 1 / 3 of the world, 378,000 tons of prawns in Guangdong Province, accounting for 30% of the country, of which Penaeus vannamei accounted for about 70% of the total output; play a pivotal role in the product. In 2007, it ranked first in the export of aquatic products. The national export value of prawns was 1.14 billion US dollars, accounting for about 10% of the total export value of aquatic products. The former shrimp export processing mainly produced headless shrimp, anchovy shrimp, shelled shrimp, breaded shrimp, etc. During the production process of these products, a large number of shrimp heads were...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method for efficiently and quickly extracting the contents of shrimp heads, which is to fully activate the activity of endogenous enzymes in shrimp heads by using a temperature gradient, and at the same time add a small amount of protease to utilize the synergy between exogenous enzymes and endogenous enzymes Hydrolysis realizes the efficient extraction of shrimp head contents, and overcomes the problems of low extraction efficiency, high cost, and poor product quality (such as heavy bitterness) in existing methods