Method for producing soybean protein concentrate

A technology of concentrated soybean protein and soybean meal, which is applied in plant protein processing, textured treatment, food science, etc., can solve the problems of reduced daily output, poor ethanol penetration effect, and reduced protein extraction rate, achieving high cost and ensuring normal Effect of running, increasing protein content and water content

Inactive Publication Date: 2016-06-22
SHANDONG CHANGRUN BIOLOGICAL CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the raw material for the production of concentrated soybean protein in the prior art is mainly low-temperature defatted soybean meal. When extracting protein, the p

Method used

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  • Method for producing soybean protein concentrate

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Example Embodiment

[0022] Example 1

[0023] The method for producing soybean protein concentrate includes the following steps:

[0024] (1) Screening: The low-denaturation soybean meal produced by the high-temperature soybean meal production line is sieved in a vibrating sieve to obtain finer powder, and the sieve is taken for use;

[0025] (2) Alcohol-eluting sugar: According to the mass ratio of 1:3, the sieved low-denatured soybean meal is added to the ethanol solution with a mass concentration of 64%, and pre-soaked in a collecting hopper for 0.6 hours. The ethanol solution enters the extractor together for leaching. The soybean meal and the ethanol solution move towards each other in the extractor to extract water-soluble and alcohol-soluble substances. Then the solid-phase wet meal is separated from the solution. The leaching temperature is 60°C and the time is 4 hours. ;

[0026] (3) Extrusion desolventization and vacuum drying: the alcohol-washed wet meal is first sent to the screw extruder fo...

Example Embodiment

[0028] Example 2

[0029] The method for producing soybean protein concentrate includes the following steps:

[0030] (1) Screening: The low-denaturation soybean meal produced by the high-temperature soybean meal production line is sieved in a vibrating sieve to obtain finer powder, and the sieve is taken for use;

[0031] (2) Alcohol-eluting sugar: According to the mass ratio of 1:6, add the sieved low-denatured soybean meal to the ethanol solution with a mass concentration of 75%, pre-soak in the collecting hopper for 1 hour, and the pre-soaked soybean meal The ethanol solution enters the extractor together for leaching. The soybean meal and the ethanol solution move towards each other in the extractor to extract water-soluble and alcohol-soluble substances, and then separate the solid wet meal from the solution. The leaching temperature is 65°C and the time is 5 hours;

[0032] (3) Extrusion desolventization and vacuum drying: the alcohol-washed wet meal is first sent to the screw ...

Example Embodiment

[0034] Example 3

[0035] The method for producing soybean protein concentrate includes the following steps:

[0036] (1) Screening: The low-denaturation soybean meal produced by the high-temperature soybean meal production line is sieved in a vibrating sieve to obtain finer powder, and the sieve is taken for use;

[0037] (2) Alcohol-eluting sugar: According to the mass ratio of 1:4, add the sieved low-denatured soybean meal to the ethanol solution with a mass concentration of 70%, pre-soak in a collecting hopper for 0.8 hours, and the pre-soaked soybean meal The ethanol solution enters the extractor together for leaching. The soybean meal and the ethanol solution move towards each other in the extractor to extract water-soluble and alcohol-soluble substances, and then separate the solid wet meal from the solution. The leaching temperature is 62°C and the time is 4.5 hours;

[0038] (3) Extrusion desolventization and vacuum drying: the alcohol-washed wet meal is first sent to a screw...

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Abstract

The invention discloses a method for producing a soybean protein concentrate and belongs to the technical field of food processing. The method is used for solving the problem of low protein content and moisture content of soybean protein concentrate produced by an existing method. The method comprises the following steps: (1) screening; (2) performing ethanol washing and saccharide removal; (3) extruding, desolventizing and vacuum-drying; (4) grinding by use of an ultrafine grinder. The method disclosed by the invention is used for producing soybean protein concentrate.

Description

technical field [0001] The invention relates to a method for producing concentrated soybean protein, which belongs to the technical field of food processing. Background technique [0002] At present, the crushing system of soybean protein concentrate is mainly composed of Raymond mill. The working principle of Raymond mill: After the material is crushed by the jaw crusher, the material particles are sent to the gap between the grinding roller and the grinding ring of the Raymond mill by the shovel, and are crushed between the grinding roller and the grinding ring. The machine is crushed into powder by force, and the blower blows the air from the splitter plate into the grinding chamber, and sends the crushed powder to the analysis chamber. The materials with qualified fineness pass the analysis smoothly and enter the cyclone powder collector for separation and collection, while the unqualified large-grained materials are returned to the mill chamber for re-grinding until th...

Claims

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Application Information

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IPC IPC(8): A23J3/16A23J3/22A23J3/24A23J3/26
CPCA23J3/16A23J3/22A23J3/24A23J3/26A23V2002/00A23V2250/5488
Inventor 张玉林姜自强毛存丽安玉辉李凤莹
Owner SHANDONG CHANGRUN BIOLOGICAL CO LTD
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