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Method for extracting mycoprotein from liquid acetic acid fermentation tail liquid

A technology of bacterial protein and acetic acid fermentation, which is applied in the preparation methods of peptides, chemical instruments and methods, organic chemistry, etc., can solve the problems of low utilization rate of resources and difficult treatment of fermentation tail liquid, so as to improve the economic benefits of enterprises and reduce The difficulty of sewage treatment and the effect of improving resource utilization

Pending Publication Date: 2020-04-17
SHANXI ZILIN VINEGAR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In view of this, the present invention provides a bacterial protein extracted from liquid acetic acid fermentation tail liquid and an extraction method thereof, which solves the problems that the fermentation tail liquid after liquid acetic acid fermentation is difficult to handle and the utilization rate of resources is low

Method used

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  • Method for extracting mycoprotein from liquid acetic acid fermentation tail liquid
  • Method for extracting mycoprotein from liquid acetic acid fermentation tail liquid
  • Method for extracting mycoprotein from liquid acetic acid fermentation tail liquid

Examples

Experimental program
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Effect test

Embodiment 1

[0040] (1) Take the filtered liquid acetic acid fermentation tail liquid, transfer it to the tail liquid temporary storage tank, start the ceramic membrane filtration equipment, open the feed valve, return valve, liquid outlet valve, set the frequency of the booster pump to 60Hz, and start filtering , stop filtering when the filtration pressure rises to 0.4MPa from 0.2MPa, obtain the concentrated solution after filtering in the temporary storage tank, and obtain the concentrated tail liquid with a concentration ratio of 20%;

[0041] (2) The concentrated tail liquid obtained in step (1) is introduced into the heating device for circulation heating through a centrifugal pump, and after being heated by steam, when the temperature rises to 45° C., the discharge valve is opened to enter the pretreatment tank, and the discharge temperature is 50° C.;

[0042] (3) The concentrated tail liquid with a temperature of 50°C obtained in step (2) enters the high-speed jet flow dissolving de...

Embodiment 2

[0048] (1) Take the filtered liquid acetic acid fermentation tail liquid, transfer it to the tail liquid temporary storage tank, start the ceramic membrane filtration equipment, open the feed valve, return valve, liquid outlet valve, set the frequency of the booster pump to 60Hz, and start filtering , stop filtering when filter pressure rises to 0.4MPa by 0.2MPa, obtain the concentrated solution after filtering in the temporary storage tank, obtain the concentrated tail liquid that concentration ratio is 35%;

[0049] (2) The concentrated tail liquid obtained in step (1) is introduced into a heating device for circulation heating through a centrifugal pump. After heating by steam, when the temperature rises to 45° C., the discharge valve is opened to enter the pretreatment tank, and the discharge temperature is 55° C.;

[0050] (3) The concentrated tail liquid with a temperature of 55°C obtained in step (2) enters the high-speed jet flow dissolving device, and the booster pump ...

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Abstract

The invention discloses a method for extracting mycoprotein from liquid acetic acid fermentation tail liquid. The method comprises the following steps: taking liquid acetic acid fermentation tail liquid as a raw material, and carrying out concentrating, heating, gas dissolving, flocculating, centrifuging, drying, crushing and the like to obtain powdery mycoprotein. The mycoprotein contains aceticacid mycoprotein, and the mycoprotein contains less than or equal to 5.0% of water, more than or equal to 80.0% of crude protein and less than or equal to 7.0% of crude ash. The method effectively solves the problems that the fermentation tail liquid after liquid acetic acid fermentation is difficult to treat and the resource utilization rate is low.

Description

technical field [0001] The invention relates to the technical field of microbial feed, in particular to a method for extracting bacterial protein from liquid acetic acid fermentation tail liquid. Background technique [0002] Phytoprotein is a microbial protein raw material obtained from large-scale cultivation of bacteria, yeast, mold, algae and basidiomycetes by using various substrates. Adding mycelium protein to feed can significantly increase the protein content of the feed. Protein can promote the digestion and nutrient absorption of livestock and poultry, thereby improving the growth and production performance of livestock and poultry, improving feed utilization and breeding benefits. [0003] In the process of submerged acetic acid fermentation using rice or edible alcohol as raw materials, acetic acid bacteria convert ethanol in the fermented mash into acetic acid, and the final fermented mash is filtered through an organic membrane to obtain liquid fermented vinega...

Claims

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Application Information

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IPC IPC(8): C07K1/36C07K1/34C07K1/30
CPCC07K1/36C07K1/34C07K1/30
Inventor 梁楷丁伟闫裕峰郎繁繁周景丽田莉
Owner SHANXI ZILIN VINEGAR
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