Preparation method of high-water-solubility rice protein

A technology of rice protein and rice protein powder, applied in the field of functional protein and its preparation, can solve the problems of high cost, environmental pollution and the like, and achieve the effects of good recycling, cost reduction and solubility improvement.

Pending Publication Date: 2022-05-06
WUXI JINNONG BIOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned method for improving the solubility of rice protein will use a large amount of acid and alkali, which is costly and likely to cause environmental pollution.

Method used

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  • Preparation method of high-water-solubility rice protein
  • Preparation method of high-water-solubility rice protein
  • Preparation method of high-water-solubility rice protein

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1: A kind of preparation method of high water-soluble rice protein, comprises the following steps: take pure rice protein powder and structure stretching agent to mix, react under heating condition for a certain period of time, fully dissolve rice protein in structure stretching agent and complete After the structure stretching transformation, a certain proportion of precipitant is added to precipitate the rice protein that has completed the stretching of the structure, and the protein is separated by solid-liquid separation, and the obtained solid is repeatedly washed with deionized water until the pH is about 7, and vacuum-dried to obtain a high Water-soluble rice protein; the solution after protein precipitation is removed or recovered by rotary evaporation to remove or recover the water and precipitant in the solution, and the structure stretching agent that can be reused is obtained after adding raw material water.

[0019] Further, the mass ratio of the ...

Embodiment 2

[0020] Embodiment 2: a kind of preparation method of high water-soluble rice protein, comprises the following steps: take pure rice protein powder and structure stretching agent to mix, react under heating condition for a certain period of time, fully dissolve in rice protein in structure stretching agent and complete After the structure stretching transformation, a certain proportion of precipitant is added to precipitate the rice protein that has completed the stretching of the structure, and the protein is separated by solid-liquid separation, and the obtained solid is repeatedly washed with deionized water until the pH is about 7, and vacuum-dried to obtain a high Water-soluble rice protein; the solution after protein precipitation is removed or recovered by rotary evaporation to remove or recover the water and precipitant in the solution, and the structure stretching agent that can be reused is obtained after adding raw material water.

[0021] Further, the mass ratio of t...

Embodiment 3

[0022] Embodiment 3: A kind of preparation method of high water-soluble rice protein, comprises the following steps: take pure rice protein powder and structure stretching agent to mix, react under heating condition for a certain period of time, fully dissolve rice protein in structure stretching agent and complete After the structure stretching transformation, a certain proportion of precipitant is added to precipitate the rice protein that has completed the stretching of the structure, and the protein is separated by solid-liquid separation, and the obtained solid is repeatedly washed with deionized water until the pH is about 7, and vacuum-dried to obtain a high Water-soluble rice protein; the solution after protein precipitation is removed or recovered by rotary evaporation to remove or recover the water and precipitant in the solution, and the structure stretching agent that can be reused is obtained after adding raw material water.

[0023] Further, the mass ratio of the ...

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PUM

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Abstract

The invention discloses a preparation method of high-water-solubility rice protein, which comprises the following steps of: mixing pure rice protein powder with a structure stretching agent, reacting for a certain time under a heating condition, fully dissolving the rice protein in the structure stretching agent and finishing structure stretching transformation; adding a certain proportion of precipitant to separate out the rice protein with the stretched structure, separating out the protein through solid-liquid separation, and drying to obtain the high-water-solubility rice protein. The rice protein and the structure stretching agent are mixed and then subjected to modification reaction under a certain condition, in the process, the rice protein is converted into a spheroid with good hydrophilicity from an original folded sheet shape with a compact structure, the dissolution characteristic of the rice protein can be greatly improved, and the high-water-solubility rice protein product is obtained; further, the application range of the rice protein is expanded.

Description

technical field [0001] The invention relates to the technical field of functional protein and its preparation, in particular to a preparation method of highly water-soluble rice protein. Background technique [0002] Rice protein is a kind of grain protein obtained by extracting raw materials such as rice, rice grains, and rice bran. The biological value and protein value of rice protein are higher than those of other grain proteins, including the first limiting amino acid lysine and other essential amino acids with high content and reasonable amino acid composition, which is easy to be digested and absorbed by the human body, so it has very high nutritional value; at the same time , Rice protein is a low-antigen protein that will not cause allergic reactions; rice protein also has health functions such as lowering serum cholesterol levels, so rice protein is a recognized high-quality food protein. [0003] Since rice protein contains a large amount of alkali-soluble gluten...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23J3/14
CPCA23J3/14
Inventor 陈天祥于秋生於慧利平向莉陈林曾朱强张芬芬徐珍珍马丹妮
Owner WUXI JINNONG BIOTECH CO LTD
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