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Preparation method of oyster peptides

A technology for raw oysters and oyster meat, applied in the field of oyster peptide extraction, can solve the problems of high production costs, achieve the effects of reducing production costs, low enzymatic hydrolysis temperature, and shortening enzymatic hydrolysis time

Inactive Publication Date: 2017-07-11
XUCHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the existing process of extracting oyster peptides from oysters, the amount of enzymes used in the enzymatic hydrolysis process is high in production costs.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The preparation process steps of oyster peptide are as follows:

[0021] S1. Put 50g of shelled oyster meat into the cleaning tank, then add water to the cleaning tank to rinse the sticky matter adhering to the raw oyster meat; then inject clean water and completely submerge the oyster meat, and then clean the cleaning tank. Stir with ultrasonic vibration for 30 minutes; repeat this step 4 times to remove impurities on the surface of the oyster meat until the surface of the oyster meat is cleaned;

[0022] S2. Then pour 10% physiological saline into the clear water tank, soak the oyster meat for 30 minutes, remove the sticky matter in the oyster meat, then remove the physiological saline, wash the oyster meat with water again, and remove the hydrochloric acid solution; then mince the oyster meat , the slurry was obtained, vacuum packed and stored at -40°C for later use;

[0023] S3, pour the slurry into the enzymolysis reaction tank, and add deionized water (500g) of 1...

Embodiment 2

[0029] The preparation process steps of oyster peptide are as follows:

[0030] S1. Put 10g of raw oyster meat into the cleaning tank, then add water to the cleaning tank to rinse the sticky matter adhering to the raw oyster meat; then inject clean water and completely submerge the raw oyster meat, and then perform ultrasonic vibration stirring on the cleaning tank 60 minutes; repeat this step 6 times to remove impurities on the surface of the oyster meat until the surface of the oyster meat is cleaned and set aside;

[0031] S2. Then pour 10% physiological saline into the clear water tank, soak the oyster meat for 30 minutes, remove the sticky matter in the oyster meat, then remove the physiological saline, and clean the oyster meat again; then mince the oyster meat to obtain a slurry , vacuum packed and stored at -40°C for later use;

[0032] S3. Pour the slurry into the enzymolysis reaction tank, and add deionized water (100g) of 10 times the weight of oyster meat in the e...

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Abstract

The inventive belongs to the field of oyster peptide preparation, and discloses a preparation method of oyster peptides. The method comprises the following steps: cleaning oyster meat, mincing the oyster meat to obtain a slurry, carrying out enzymatic hydrolysis on the slurry, carrying out enzyme deactivation treatment at 100 DEG C, centrifuging the obtained slurry to obtain a supernatant, decolorizing the supernatant with activated carbon, and carrying out suction filtration and low temperature freeze-drying treatment to obtain the oyster peptides. The preparation method has the advantages of simplicity, small use amount of an enzyme, short hydrolysis time and low production cost.

Description

technical field [0001] The invention relates to the technical field of oyster peptide extraction, in particular to a preparation method of oyster peptide. Background technique [0002] Many active substances in the human body exist in the form of peptides. Without peptides, there will be no activity and no life. In the human body, peptides are involved in the growth of hormones, nerves, and cells of the human body; they can be used as a transportation tool in the human body to transport various nutrients, vitamins, and trace elements eaten by the human body to the cells, organs, and tissues of the human body. Therefore, people pay more and more attention to peptides. [0003] In recent years, researchers have begun to pay attention to extracting biological peptides from aquatic animals, such as extracting oyster peptides from oysters. However, in the existing process for extracting oyster peptides from oysters, the amount of enzymes used in the enzymatic hydrolysis process...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P21/06C07K1/14
CPCC12P21/06C07K1/14
Inventor 张建新徐赛飞高秋珍李红
Owner XUCHANG UNIV
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