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A method for detoxifying cottonseed meal

A technology of cottonseed cake and cottonseed cake, which is applied in the field of detoxification of cottonseed cake by using a pulsed magnetic field, to achieve the effect of simple process operation and shortened detoxification time

Inactive Publication Date: 2018-06-26
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there are no reports or patents on detoxification of cottonseed meal using pulsed magnetic fields

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] (1) Crush the cottonseed cake and pass it through a 60-mesh sieve to obtain cottonseed cake powder; (2) Weigh 0.5 g of the cottonseed cake into a plastic sample bag of appropriate size, seal it and place it in the center of the pulsed magnetic field treatment room The position was treated with pulsed magnetic field, the magnetic field intensity was 100 mT, and the number of pulses was 60; (3) The content of free gossypol in cottonseed cake after pulsed magnetic field treatment was determined according to the method of GB 13086-91, and the removal rate of free gossypol was calculated. See Table 1.

Embodiment 2

[0018] The test process is the same as in Example 1, except that 0.5 g of cottonseed cake is weighed, the pulse magnetic field intensity is 500 mT, and the number of pulses is 10. See Table 1.

Embodiment 3

[0020] The test process is the same as in Example 1, except that 0.5 g of cottonseed cake is weighed, the pulse magnetic field intensity is 500 mT, and the number of pulses is 60. See Table 1.

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Abstract

The invention discloses a method for detoxifying cottonseed meal, belonging to the technical field of food processing. The method comprises the following steps: (1) smashing cottonseed meal and screening with a 60-mesh sieve; and (2) placing 0.5-10g of the crushed and sieved cottonseed meal at the central position of a pulsed magnet field, and treating by using the pulsed magnet field with intensity of 100-500mT, wherein the pulsed treatment number is 10-60, and thus the detoxified cottonseed meal is obtained. With the adoption of the method, the content of free gossypol in the cottonseed meal can be effectively reduced, the process is simple and easy to operate, and the detoxification treatment time is greatly shortened.

Description

technical field [0001] The invention belongs to the technical field of food processing, in particular to a method for detoxifying cottonseed cake by using a pulsed magnetic field. Background technique [0002] The shortage of protein resources has become a worldwide problem, especially in my country with its large population, relatively small area of ​​arable land, low total grain, and relative lack of protein and protein feed. According to the estimation of my country's National Feed Industry Office, the annual shortage of protein feed resources in my country has reached more than 30 million tons, and the gap will reach 40 million tons by 2020. Therefore, rational development and utilization of existing protein feed resources is an important measure to promote the development of animal husbandry. [0003] China is the world's largest producer of cotton, and cottonseed meal is a by-product of oil extraction from cottonseed. According to statistics, in 2012, the output of c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23K10/37A23L5/20
CPCY02P60/87
Inventor 代春华汤淑婷张榴萍马海乐何荣海尹秀莲
Owner JIANGSU UNIV