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A kind of alcohol fermentation accelerator and its preparation method and usage

A technology of alcohol fermentation and accelerator, applied in the direction of fermentation, biofuel, etc., can solve the problems of incomplete alcohol fermentation, long fermentation cycle, lack of nutrients, etc., to achieve the ability to promote material exchange, shorten the fermentation cycle, and promote metabolic reproduction Effect

Active Publication Date: 2015-09-02
广西轻工业科学技术研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Aiming at the deficiencies of the prior art, the present invention provides an alcohol fermentation accelerator using soybean protein hydrolyzate, compound yeast nutrients and surface active substances as raw materials, aiming at solving the needs of yeast growth and reproduction in alcohol fermentation, especially high-concentration fermentation. The lack of nutrients and the inhibition of yeast production by osmotic pressure, alcohol concentration, and yeast metabolic by-products during the fermentation process lead to incomplete alcohol fermentation and long fermentation cycles.

Method used

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  • A kind of alcohol fermentation accelerator and its preparation method and usage
  • A kind of alcohol fermentation accelerator and its preparation method and usage
  • A kind of alcohol fermentation accelerator and its preparation method and usage

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] (1) Preparation of soybean protein hydrolyzate:

[0051] In the first step, the raw soybeans are crushed, then mixed with water, so that the total solid content of the soybean water mixture reaches 15%;

[0052] The second step is to heat the soybean water mixture to 80-90°C, keep it warm for 10 minutes, destroy the molecular structure of soybean protein under high temperature conditions, and then cool it to 40-55°C;

[0053] In the third step, after cooling to 40-55°C, add 7U / g protease to hydrolyze for 4.5 hours based on the substrate raw material;

[0054] The fourth step is to dry the soybean protein hydrolyzate under the condition of 60-70°C until the moisture content is lower than 15%.

[0055] (2) Selection of surface active substance: polyoxyethylene sorbitan fatty acid ester is selected as the surface active substance.

[0056] (3) Preparation of yeast compound nutrients: in parts by weight, weigh 23 parts of manganese sulfate, 12 parts of zinc acetate, 23 pa...

Embodiment 2

[0059] (1) Preparation of soybean protein hydrolyzate:

[0060] In the first step, the raw soybeans are crushed, and then mixed with water, so that the total solid content of the soybean water mixture reaches 25%;

[0061] The second step is to heat the soybean water mixture to 80-90°C, keep it warm for 20 minutes, destroy the molecular structure of soybean protein under high temperature conditions, and then cool it to 40-55°C;

[0062] In the third step, after cooling to 40-55°C, add 10U / g protease to hydrolyze for 6 hours based on the substrate raw material;

[0063] The fourth step is to dry the soybean protein hydrolyzate under the condition of 60-70°C until the moisture content is lower than 15%.

[0064] (2) Selection of surface active substance: Sorbitan fatty acid ester is selected as the surface active substance.

[0065] (3) Preparation of yeast compound nutrients: in parts by weight, weigh 25 parts of manganese sulfate, 15 parts of zinc acetate, 25 parts of calciu...

Embodiment 3

[0068] (1) Preparation of soybean protein hydrolyzate:

[0069] In the first step, the raw soybeans and soybean meal are crushed, and then mixed with water, so that the total solid content of the soybean water mixture reaches 20%;

[0070] The second step is to heat the soybean water mixture to 80-90°C, keep it warm for 15 minutes, destroy the molecular structure of soybean protein under high temperature conditions, and then cool it to 40-55°C;

[0071] In the third step, after cooling to 40-55°C, 7 U / g of protease was added based on the substrate raw material for hydrolysis for 5 hours;

[0072] The fourth step is to dry the soybean protein hydrolyzate under the condition of 60-70°C until the moisture content is lower than 15%.

[0073] (2) Selection of surface active substance: polyethylene glycol was selected as the surface active substance.

[0074] (3) Preparation of yeast compound nutrients: In parts by weight, weigh 23 parts of manganese sulfate, 5 parts of zinc aceta...

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Abstract

The invention belongs to the field of alcoholic fermentation technology, and relates to an alcoholic fermentation promoter, and a preparation method and applications thereof. The alcoholic fermentation promoter comprises, by weight, 85 to 99 portions of soybean protein hydrolysate, 0.2 to 12 portions of a surface active material and 0.2 to 5 portions of yeast composite nutriment. The alcoholic fermentation promoter is capable of promoting rapid growth and propagation of yeast, and improving adaptabilities of yeast on severe environment such as high temperature, high alcohol concentration and high osmotic pressure; is suitable for alcoholic fermentation, and especially for high-concentration mash fermentation of alcohol; and is capable of increasing alcoholic fermentation speed effectively, shortening alcoholic fermentation period, and increasing alcohol yield and utilization rate of raw materials.

Description

technical field [0001] The invention belongs to the technical field of alcohol fermentation, and relates to an alcohol fermentation accelerator and its preparation method and application method. Background technique [0002] The alcohol industry is a basic raw material industry, and its products are widely used in food, chemical, military, pharmaceutical and other fields. In the new technology of alcohol utilization, ethanol gasoline can also be formed by mixing with ordinary gasoline in a certain proportion. With the continuous rise of global oil prices and the implementation of sustainable development strategies, ethanol alcohol, as a renewable energy source, has a huge market demand. [0003] Alcohol is mainly made of starch (cassava, potato, corn, rice, etc.) and sugar (molasses, sugar cane, sweet sorghum, etc.) as raw materials. have to. At present, the alcohol fermentation method commonly used by alcohol production enterprises is thick mash fermentation, that is, hig...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12P7/06
CPCY02E50/10
Inventor 伍彦华覃红梅盘柳萍谢晓航蒋敬全韩宏明卢国伟张家伟卓义敏
Owner 广西轻工业科学技术研究院有限公司
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