Oyster meat nutrition powder and preparation method thereof

A technology of oyster meat and nutritional powder is applied in the directions of food preparation, food ion-exchange membrane method, function of food ingredients, etc., which can solve the problems of poor taste, rough texture of oyster sauce, affecting the development of oyster breeding industry, etc., and achieves convenient consumption. , product quality is stable, good rehydration effect

Inactive Publication Date: 2014-10-01
BOHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition to fresh sales, oyster products are mainly sold as dried oysters. However, due to the rough texture and poor taste of dried oysters, the development of oyster farming industry is seriously affected.

Method used

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  • Oyster meat nutrition powder and preparation method thereof
  • Oyster meat nutrition powder and preparation method thereof
  • Oyster meat nutrition powder and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] An oyster meat nutritional powder, which is obtained by the following preparation method, and the preparation method includes the following steps:

[0032] (1) Raw material pretreatment: Wash the oyster meat, remove the internal organs, homogenize it with a high-speed tissue masher, and prepare an oyster homogenate in a mass ratio of 1:1 to 1:3 based on the raw materials and water;

[0033] (2) High-pressure homogenization: the oyster homogenate obtained in step (1) is homogenized at a pressure of 30 MPa to 40 Mpa, so that the oyster raw material becomes uniform and fine particles to obtain an oyster homogenized liquid;

[0034] (3) Enzymatic hydrolysis assisted by ultrasound to prepare enzymatic hydrolysate: the oyster homogenized solution obtained in step (2) is enzymatically hydrolyzed with an enzymatic solution, pH 8.6 to 9.2, enzymatic hydrolysis temperature 38°C to 42°C, enzymatic hydrolysis Time 2h~4h; at the same time, ultrasonic treatment is carried out under the cond...

Embodiment 2

[0049] This example is an optimized solution based on Example 1, and provides a method for preparing oyster meat nutritional powder. For the same parts in this embodiment as Embodiment 1, please refer to the content disclosed in Embodiment 1 for understanding. The content disclosed in Embodiment 1 should also be included as the content of this embodiment, and the description will not be repeated here.

[0050] The method for preparing oyster meat nutritional powder provided in this embodiment includes the following steps:

[0051] (1) Raw material pretreatment: Wash the fresh oyster meat, remove the internal organs, homogenize it with a high-speed tissue masher, and prepare an oyster homogenate according to the ratio of raw material to water at 1:1;

[0052] (2) High-pressure homogenization: homogenize the oyster homogenate obtained in step (1) at a pressure of 30 MPa, so that the oyster raw material becomes uniform and fine particles, which are easy to hydrolyze and increase the deg...

Embodiment 3

[0059] This example is an optimized solution based on Example 1, and provides a method for preparing oyster meat nutritional powder. For the same parts in this embodiment as Embodiment 1, please refer to the content disclosed in Embodiment 1 for understanding. The content disclosed in Embodiment 1 should also be included as the content of this embodiment, and the description will not be repeated here.

[0060] The oyster raw material used in this embodiment is frozen oyster meat, which includes the following steps:

[0061] (1) Raw material pretreatment: The frozen oyster meat stream is hydrolyzed, washed, and the internal organs are removed, homogenized by a high-speed tissue masher, and prepared into an oyster homogenate according to the ratio of raw materials to water at a mass ratio of 1:2;

[0062] (2) High-pressure homogenization: the oyster homogenate obtained in step (1) is homogenized at a pressure of 35 MPa, so that the oyster raw material becomes uniform and fine particles...

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Abstract

The invention provides oyster meat nutrition powder and a preparation method thereof. The preparation method comprises the following steps: pre-treating raw materials, homogenizing at high pressure, carrying out enzymolysis, carrying out ultrasonic treatment, carrying out ultra-filtration, spraying and drying and the like. According to the preparation method, an enzymolysis biochemical technology and a physical technology are combined; compared with a traditional enzymolysis method, the preparation method has the advantages that the enzymolysis efficiency is improved; meanwhile, before the enzymolysis, high-pressure homogenization is added and the yield of products is increased; the utilization rate of raw materials is improved; after the enzymolysis, the ultrasonic treatment and the ultra-filtration are utilized so that the purity of nutritional ingredients in oyster powder is improved. The preparation method adopts a simple process; the oyster meat nutrition powder obtained by ultrasonic enzymolysis is rich in the nutritional ingredients including protein, fat, polysaccharides and the like; the oyster meat nutrition powder has multiple effects of lowering blood pressure, resisting oxidization and the like and is beneficial to being absorbed by a human body; the oyster meat nutrition powder has good solubility, is convenient to eat, is stable in product quality and is beneficial to industrial production.

Description

Technical field [0001] The invention belongs to the field of food preparation methods, and particularly relates to an oyster meat nutritional powder and a preparation method thereof. Background technique [0002] Oysters, also known as oysters, raw oysters, yellow oysters, sea oysters, etc., belong to the phylum Mollusca, Lamellibranchia, and Ostreidae. It is the world’s largest cultured shellfish and is also my country One of the main mariculture species in coastal areas. In our country, it is mainly cultured. There are about 20 kinds of oysters produced along the coast, which is one of the four major cultured shellfish. The main cultured species are Oyster oysters, oysters, long oysters, Dalian Bay oysters, and oysters. It is produced from the Bohai Sea, the Yellow Sea, the South China Sea and the Nansha Islands. The main production areas are Liaoning, Hebei, Shandong, Jiangsu, Zhejiang, Guangdong, Guangxi, Hainan, etc. my country’s fishery statistics show that in 2012, my cou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L1/333A23L1/29A23L17/50A23L33/00
CPCA23L17/40A23L17/50A23L33/00A23V2002/00A23V2300/26A23V2300/34A23V2300/10A23V2300/48A23V2200/326A23V2250/21166
Inventor 范金波周素珍
Owner BOHAI UNIV
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