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Method for producing concentrated soya protein

A technology of concentrated soybean protein and concentrated protein powder, which is applied in the direction of plant protein processing, etc., and can solve the problems of large-scale production wastewater and increasing the difficulty of production technology

Inactive Publication Date: 2008-04-30
李智广
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem of adding chemical agents and adjusting the pH value of the solution in the current preparation process of concentrated soybean protein, increasing the technical difficulty of the production process and generating a large amount of production wastewater, and providing a method for producing concentrated soybean protein method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0004] Specific Embodiment 1: In this embodiment, soybean protein concentrate is prepared according to the following steps: (1) Add soybean meal powder with a particle size of 100 mesh and water at a temperature of 45 to 60°C into the mixing tank at a weight ratio of 1:7 to 9 In the mixing tank, add 0.2% salt of soybean meal quality and 0.2% soda powder of soybean meal quality in the mixing tank, and then stir for 15~20min under the condition of 75~90°C; (2) solid-liquid separation; (3) Insoluble solid matter and temperature are that the water of 75~90 ℃ is added into stirring tank together by the weight ratio of 1: 2~4, and in stirring tank, add soda powder of 0.1~0.5% of soybean meal quality in step (1) and stir for 18~ After 22min, solid-liquid separation is performed again, and the liquid phase obtained by separation is mixed with the liquid phase obtained in step (2); (4) the liquid phase after mixing is flashed and sterilized by high temperature: (5) the high temperature ...

specific Embodiment approach 2

[0006] Specific embodiment two: the difference between this embodiment and specific embodiment one is: in step (1), add the antifoaming agent that meets the national food GMP standard of 0.1~0.2% of soybean meal powder quality. Other steps are the same as those in Embodiment 1.

specific Embodiment approach 3

[0007] Specific embodiment three: The difference between this embodiment and specific embodiment one is that in step (1), the soybean meal powder with a particle size of 100 mesh and water at a temperature of 50 to 55 ° C are added together in a weight ratio of 1:8. Stir in jar. Other steps are the same as those in Embodiment 1.

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Abstract

A process for preparing the soybean protein concentrate includes such steps as mixing the powdered soybean cake with water, edible salt and soda, stirring, solid-liquid separation to obtain liquid phase A, mixing insoluble solid with water and soda, stirring, solid-liquid separation to obtain liquid phase B, mixing A with B, high-temp sterilizing, homogenizing and spray drying.

Description

technical field [0001] The invention relates to a production method of soybean protein. Background technique [0002] At present, most of the soybean protein concentrates are produced by the acid-base method or the alcohol method of the American labor company or Japan Fuji Company in the 1980s, such as: a modification method of soybean protein concentrate (patent application number is 200410033836, publication number is CN1689430A), the process for preparing soybean protein concentrate by continuous gradient extraction (patent application number is 200410098851, publication number is CN1631197A) and the method for preparing soybean isoflavones, soybean saponins, oligosaccharides and soybean protein concentrate (patent application number is 200510011328, Publication number is CN1683362 A); There are also those that adopt enzymatic hydrolysis to extract soybean protein concentrate. However, the currently used methods all need to add chemical agents and adjust the pH value of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23J3/16
Inventor 李智广
Owner 李智广