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Production process of fermented cottonseed meal

Inactive Publication Date: 2014-09-24
李晓叶
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Cottonseed meal is the flour cake after the cottonseed is pressed, and most of the residual oil inside is separated through the leaching process to obtain a reddish or yellow granular product. It is the main raw material for making feed, which contains crude fiber, Crude protein and minerals are mainly phosphorus, but most of them belong to plant phosphorus, and the utilization rate is low. In addition, it also contains more harmful gossypol. Yellow-brown polyphenol pigment in organic solvents
In the process of oil production, due to heat effects such as steaming and pressing, most of the gossypol is combined with protein and amino acid to become combined gossypol, which is not absorbed by animals in the digestive tract of animals, and the toxicity is very small; the other part of gossypol Phenol exists in free form in cakes, meal and oil products. This part of free gossypol is highly toxic to animals, especially if monogastric animals take too much or take it for a long time, it can lead to growth retardation, reproductive performance and production performance decline. even lead to death

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0030] (1) Preparation of the bacteria solution:

[0031] Add the following raw materials: barley malt, peptone, agar, sodium citrate, potassium dihydrogen phosphate, magnesium sulfate, sodium bicarbonate and water into the batching tank, the mass ratio of the raw materials is barley malt: peptone: agar: citric acid Sodium: potassium dihydrogen phosphate: magnesium sulfate: sodium bicarbonate: water = 2.0-3.0: 1.5-1.8: 2.0-3.0: 0.5-1.0: 0.3-0.4: 0.015-0.020: 0.5-0.8: 180-220, heated to After boiling, adjust the pH value to 4.5-5.5 and then transfer to the saccharification tank, add 9×10 5 U-10×10 5 U glucoamylase, heat at 55-65°C for 3-5 hours to obtain a saccharification liquid, transfer the obtained saccharification liquid to a fluid heater to raise the temperature to 95-100°C, keep it warm for 0.5 hours, and then cool it down to 35°C within 5-10 seconds -45°C, get the breeding medium, and add it to four chemostats;

[0032] The strains of lactic acid bacteria, bifidobac...

Embodiment 1

[0050] This embodiment includes the following steps:

[0051] (1) Preparation of the bacteria solution:

[0052] Add 2.5kg of barley malt, 1.7kg of peptone, 2.5kg of agar, 0.8kg of sodium citrate, 0.3kg of potassium dihydrogen phosphate, 0.018kg of magnesium sulfate, 0.7kg of sodium bicarbonate and 190kg of water into the batching tank, heat until boiling, and adjust After the pH value reached 4.8, it was transferred to the saccharification tank, and 10×10 5 U glucoamylase, heat at 65°C for 3 hours to obtain a saccharification solution, transfer the obtained saccharification solution to a fluid heater to raise the temperature to 95-100°C, keep it warm for 0.5 hours, and then cool down to 35°C within 10 seconds to obtain a breeding medium , and added to four chemostats;

[0053] The strains of lactic acid bacteria, bifidobacteria, bacillus subtilis and candida utilis cultured in the laboratory were respectively inserted into four chemostats with an arrow inoculator, and each ...

Embodiment 2

[0058] This embodiment includes the following steps:

[0059] (1) Preparation of the bacteria solution:

[0060] Add 2.4kg of barley malt, 1.6kg of peptone, 2.4kg of agar, 0.8kg of sodium citrate, 0.36kg of potassium dihydrogen phosphate, 0.019kg of magnesium sulfate, 0.6kg of sodium bicarbonate and 200kg of water into the batching tank, heat until boiling, and adjust After the pH value reached 5.0, it was transferred to the saccharification tank, and 9.6×10 5 The glucoamylase of U was incubated at 60°C for 4 hours to obtain a saccharification solution, and the obtained saccharification solution was transferred to a fluid heater to raise the temperature to 95°C, keep it warm for 0.5 hours, and then cool down to 40°C within 8 seconds to obtain a breeding medium, and into four chemostats;

[0061] The strains of lactic acid bacteria, bifidobacteria, bacillus subtilis and candida utilis cultured in the laboratory were respectively inserted into four chemostats with an arrow typ...

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Abstract

The invention provides a production process of fermented cottonseed meal. The process comprises the following steps: breeding lactobacilli, bifidobacteria, bacillus subtilis and candida utilis by adopting a self-made culture medium at the same time, mixing obtained strain liquid, acid protease, cellulase, aspergillus oryzae and yeast enzyme with cottonseed meal, performing fermentation production, drying, grinding and packaging. According to the fermented cottonseed meal produced by adopting the process, free gossypol in the cottonseed meal can be effectively degraded, the palatability of the cottonseed meal can be improved, macromolecular proteins are decomposed into micromolecular polypeptides or amino acids convenient to absorb by animals, crude proteins and crude fibers are degraded, a large quantity of active probiotics are secreted and synthesized, and the nutritional value of the cottonseed meal as a feed is improved.

Description

technical field [0001] The invention relates to the technical field of biological fermentation, in particular to a production process of fermented cotton meal. technical background [0002] Cottonseed meal is the flour cake after the cottonseed is pressed, and most of the residual oil inside is separated through the leaching process to obtain a reddish or yellow granular product. It is the main raw material for making feed, which contains crude fiber, Crude protein and minerals are mainly phosphorus, but most of them belong to plant phosphorus, and the utilization rate is low. In addition, it also contains more harmful gossypol. Yellow-brown polyphenolic pigment in organic solvents. In the process of oil production, due to heat effects such as steaming and pressing, most of the gossypol is combined with protein and amino acid to become combined gossypol, which is not absorbed by animals in the digestive tract of animals, and the toxicity is very small; the other part of gos...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/14A23K10/12A23K10/37
CPCY02P60/87
Inventor 李晓叶
Owner 李晓叶
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