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Method for preparing enzymolysis protein and shrimp shell powder for feed by using waste shrimp head

A feed enzyme and protein decomposing technology, which is applied in the field of preparation of enzymatic protein and shrimp shell powder, can solve the problems of restricting the industrial production of enzymatic protein, long hydrolysis time, and many types of enzymes, etc., and achieve a short production cycle , stable quality and high product yield

Inactive Publication Date: 2008-02-27
GUANGDONG HENGXING GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In recent years, domestically, there are methods of producing enzymatic proteins using plants (patent No. 02115108.3) or milk (patent No. 200410099331.1), but these methods have many types of enzymes, large quantities, high costs, and hydrolysis. Long time and other issues limit the industrial production of enzymatic protein

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Embodiment 1: Get 100 kilograms of fresh shrimp heads, wash them, squeeze with a press, and make the shell and meat separate to the greatest extent. Send the shrimp shells and shrimp juice meat together into a beater for crushing and homogenization. The speed of the beater is 400 rpm for 10 minutes. Pour the homogenate into the reactor, add 100 kg of clear water, 100 g of acetic acid (food grade), 500 g of NaCl, and 500 g of KCl, and measure the pH value of the reactant to be 5.8, adjust the stirring speed of the reactor to 300 rpm, and react at 50 ° C 60 minutes, then the temperature was raised to 65°C, and the reaction was carried out for 120 minutes. The reactant is filtered with a 60 order nylon strainer to remove shrimp shells and connective tissue pieces, then the filtrate was concentrated under reduced pressure in an evaporator at 3000 rpm for 20 minutes, so that the water content of the concentrate was 50%, and finally Spray drying is carried out, the inlet tem...

Embodiment 2

[0013] Embodiment 2: Get 100 kilograms of fresh shrimp heads, wash them, squeeze them, and separate the shrimp shells and shrimp juice meat to the greatest extent. Send the shrimp shells and shrimp juice meat together into a beater for crushing and homogenization. The speed of the beater is 400 rpm for 10 minutes. Pour the homogenate into the reactor, add 100 kg of clear water, 50 g of calcium citrate, 1000 g of NaCl and 500 g of KCl, the pH value of the reactant is 7.2, adjust the stirring speed of the reactor to 300 rpm, and react at 50 ° C for 30 minutes, then the temperature was raised to 65°C for 50 minutes, and then the temperature was raised to 75°C for 120 minutes. First filter the reactant through a 60-mesh nylon filter to remove shrimp shells and connective tissue pieces, then concentrate the filtrate under reduced pressure in an evaporator at a speed of 3000rpm for 30 minutes, so that the water content of the concentrated solution is 46%, and finally spray dry. Th...

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Abstract

The invention discloses a preparing method of feeding enzymolytic protein and shrimp case powder through waste shrimp head in the feeding additive preparing domain, which comprises the following steps: (1) squeezing the shrimp head to separate the case from meat; (2) breaking case and liquid meat; homogenizing; adding water to soak; (3) adding pH value buffer and enzyme activator; heating; stirring continuously; (4) condensing the filtrate; drying; obtaining the product. The invention saves cost to accelerate the manufacturing speed with high amino acid rate and stable quality, which utilizes the waste shrimp head sufficiently to avoid environment pollution.

Description

【Technical field】 [0001] The invention relates to a method for preparing enzymolyzed protein and shrimp shell powder, belonging to the field of feed additive preparation. 【Background technique】 [0002] At present, most of the prawns processed in our country are frozen headless shrimps and dried shrimps, and a large number of shrimp heads are produced in the process of processing. However, because the deep processing methods of shrimp heads have not kept up, a large number of shrimp heads cannot be effectively processed and utilized, which not only causes waste of resources, but also brings about environmental pollution problems. Therefore, the deep processing and comprehensive utilization of shrimp heads has become the focus of shrimp processing enterprises in recent years. Domestically, shrimp heads are used to make condiments such as shrimp yellow sauce and shrimp-flavored soy sauce, or feed additives such as shrimp shell powder, chitin, and chitosan. However, the techno...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/10A23K10/14A23K10/22
Inventor 陈丹陈四黄智诚林尤汉陈允梁海鸥陈永林得文黎爱埠
Owner GUANGDONG HENGXING GROUP
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