Biological fermentation process for improving protein content of cottonseed meal and detoxicating cottonseed meal

A biological fermentation method and protein content technology, applied in the field of biological fermentation method, can solve the problems of reducing protein quality and extraction rate, low protein extraction rate, affecting protein extraction, etc., to reduce feces odor and harmful gas emissions, and improve feed quality. Protein quality, effect of eliminating bitter taste

Inactive Publication Date: 2010-09-29
王浩
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Problems solved by technology

The disadvantages of this method are: the cottonseed protein is denatured due to high humidity when crushing, which affects the extraction of protein; the high temperature of steam directly passing through the inlet of the filtrate reduces the quality and extraction rate of protein; in addition, this method cannot remove cottons

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  • Biological fermentation process for improving protein content of cottonseed meal and detoxicating cottonseed meal

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Embodiment Construction

[0016] The invention adopts microbial fermentation technology to process cotton meal, breaks plant cell wall, and removes free gossypol contained in cotton meal and other anti-nutritional factors, such as cyclopropene fatty acid (CPFA), phytic acid, tannin, non-starch polysaccharide and Modification, transfer, recombination, purification and other detoxification treatment of non-polysaccharides, etc., to improve the digestion and utilization rate of plant protein and the quality of raw protein; degrade the large molecular weight protein in cotton meal that is not easy to be absorbed by animals through biological enzymatic hydrolysis into active small peptides , retain probiotics, digestive enzymes, lactic acid and various bioactive factors in the product.

[0017] The invention adopts the method of microbial fermentation to degrade and remove toxic substances such as free gossypol in cottonseed meal, and at the same time decomposes large molecular weight protein in cottonseed m...

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Abstract

The invention relates to a biological fermentation process for improving the protein content of cottonseed meal and detoxicating the cottonseed meal, which is characterized in that: the byproduct of cottonseed subjected to oil extraction, namely the cottonseed meal is taken as a raw material; the cottonseed meal is processed by adopting microbial fermentation technology; a cottonseed meal mixed fermentation process is adopted; strains are combined, cell walls of a plant are broken and free gossypol and anti-nutritional factors contained in the cottonseed meal, such as cyclopropene fatty acid, phytic acid, tannin, non-starch polysaccharide and non-glycan are modified, transferred, recombinated, purified and detoxicated; and proteins in the cottonseed meal which have large molecular weight and are difficult to absorb by animals are degraded into small active peptides by a biological enzymolysis method, and probiotics, digestive enzymes, lactic acid and various bioactive factors in the product are kept. The biological fermentation process can greatly improve the protein content of the cottonseed meal and effectively achieve the detoxicating effect.

Description

technical field [0001] The invention relates to a biological fermentation method, in particular to a biological fermentation method capable of increasing the protein content of cotton meal and capable of detoxification. Background technique [0002] The existing protein extracted from cotton dregs is generally extracted by "soaking" method, the method is cottonseed-crushing-soaking-separation-filtration-steam adjustment of PH value-precipitation-separation-drying-extraction of cottonseed protein. The disadvantages of this method are: the cottonseed protein is denatured due to high humidity when crushing, which affects the extraction of protein; the high temperature of steam directly passing through the inlet of the filtrate reduces the quality and extraction rate of protein; in addition, this method cannot remove cottonseed of gossypol. Because gossypol is toxic, resulting in low protein extraction rate, therefore, the detoxification of cottonseed is also a key issue. At p...

Claims

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Application Information

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IPC IPC(8): A23K1/16A23K1/14
CPCY02P60/87
Inventor 王浩
Owner 王浩
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