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Peeling method for peeled soya bean meal

A technology of dehulled soybean meal and soybean meal, which is applied in the field of dehulling method of dehulled soybean meal, can solve the problems of unfavorable bacterial colony growth and high cost of dehulled soybean meal, and achieve the effects of reduced fiber content, low equipment requirements, and reduced process cost

Active Publication Date: 2016-11-09
王议莹 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the process of producing dehulled soybean meal in the prior art, soybeans are first dehulled, and then oil is extracted to obtain dehulled soybean meal. The protein content of the dehulled soybean meal produced by this method is about 45%, and the fiber content is 3.5% to 5%. It is not conducive to the growth of colonies in the culture medium of bacteria, and the cost of producing dehulled soybean meal by this method is relatively high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The dehulling method of described dehulled soybean meal comprises the following steps:

[0021] (1) Using unpeeled soybean meal as raw material, heat and soften it with steam lower than 0.01MPa for 2 minutes;

[0022] (2) The softened soybean meal is sieved for the first time and passed through a 100-mesh sieve. The sieved material is soybean meal containing soybean hulls, and the underscreen is dehulled soybean meal without soybean hulls;

[0023] (3) The sieved material is pulverized with a mill for 5 minutes and then sieved for the second time. After passing through a 100-mesh sieve, the sieved material is soybean meal containing soybean hulls, and the sieved material is dehulled soybean meal, wherein the drawing width of the grinding roller is 2mm, the depth is 2mm; the sieved material is crushed with a mill for 5 minutes and then sieved for the third time, and passed through a 60-mesh sieve. Drawing width is 2mm, depth is 1mm;

[0024] (4) The sieved material is ...

Embodiment 2

[0027] The dehulling method of described dehulled soybean meal comprises the following steps:

[0028] (1) Using unpeeled soybean meal as raw material, heat and soften with steam lower than 0.01MPa for 8 minutes;

[0029] (2) The softened soybean meal is sieved for the first time and passed through a 150-mesh sieve. The oversieve is soybean meal containing soybean hulls, and the underscreen is dehulled soybean meal without soybean hulls;

[0030] (3) The sieved material is pulverized with a mill for 20 minutes and then sieved for the second time. After passing through a 150-mesh sieve, the sieved material is soybean meal containing soybean hulls, and the sieved material is dehulled soybean meal, and the drawing width of the grinding roller is 2mm, the depth is 2mm; crush the sieve with a mill for 20 minutes, then sieve for the third time, and pass through a 150 mesh sieve. Drawing width is 2mm, depth is 1mm;

[0031] (4) The sieved material is pulverized with a mill for 20 m...

Embodiment 3

[0034] The dehulling method of described dehulled soybean meal comprises the following steps:

[0035] (1) Using unpeeled soybean meal as raw material, heat and soften with steam lower than 0.01MPa for 5 minutes;

[0036] (2) The softened soybean meal is sieved for the first time and passed through a 120-mesh sieve. The oversieve is soybean meal containing soybean hulls, and the underscreen is dehulled soybean meal without soybean hulls;

[0037] (3) The sieved material is pulverized with a mill for 10 minutes and then sieved for the second time, and passed through a 120-mesh sieve. The sieved material is soybean meal containing bean hulls, and the sieved material is dehulled soybean meal, wherein the wire drawing width of the grinding roller is 2mm, the depth is 2mm; crush the sieve with a mill for 15 minutes, then sieve for the third time, and pass through a 100 mesh sieve. Drawing width is 2mm, depth is 1mm;

[0038] (4) The sieved material is pulverized with a mill for 1...

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Abstract

The invention discloses a peeling method for peeled soya bean meal, and belongs to the technical field of soya bean product processing. The problems that peeled soya bean meal produced through the prior art is low in protein content and high in fiber content are solved. The peeling method comprises the following steps that unpeeled soya bean meal is adopted as a raw material and is heated and softened for 2-8 minutes with steam lower than 0.01 MPa; the softened soya bean meal is screened for the first time, overtails are soya bean meal containing soya bean peel, and screen underflow is peeled soya bean meal not containing the soya bean peel; the overtails are screened for the second time and the third time after being ground through a grinding machine, overtails are soya bean meal containing the soya bean peel, the screen underflow is peeled soya bean meal; the overtails are screened for the fourth time after being ground through the grinding machine, overtails are soya bean meal containing the soya bean peel, screen underflow is peeled soya bean meal, and the step is repeated 1-3 times; the screen underflow obtained in the steps is collected, and the peeled soya bean meal high in protein and low in fiber is obtained. The method can be used for peeling the unpeeled soya bean meal.

Description

technical field [0001] The invention relates to a peeling method of peeled soybean meal, which belongs to the technical field of soybean product processing. Background technique [0002] When the culture medium uses dehulled soybean meal as protein source, the protein content in the soybean meal raw material is required to reach more than 48%, and the fiber content is required to be controlled below 3%. In the process of producing dehulled soybean meal in the prior art, soybeans are first dehulled, and then oil is extracted to obtain dehulled soybean meal. The protein content of the dehulled soybean meal produced by this method is about 45%, and the fiber content is 3.5% to 5%. It is not conducive to the growth of colony when the strain culture medium is used, and the cost of producing dehulled soybean meal by this method is relatively high. Contents of the invention [0003] The purpose of the present invention is to provide a dehulling method of dehulled soybean meal, w...

Claims

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Application Information

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IPC IPC(8): A23N15/10
CPCA23N15/10
Inventor 王善忠
Owner 王议莹
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