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Microbial zymogene prepn and feed and alcohol producing process with zymogene prepn

A technology of microbial fermentation bacteria and feed, applied in the direction of biofuel, animal feed, animal feed, etc., can solve the problems of poor palatability, incomplete decomposition of raw materials, etc., to improve palatability, improve production efficiency and product quality, and eliminate feedback inhibition Effect

Inactive Publication Date: 2005-04-27
NANJING NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the disadvantages of poor palatability and incomplete decomposition of raw materials obtained by fermenting plant cellulose raw materials with existing microbial inoculum, the present invention provides a microbial fermentation inoculum, which effectively solves this problem

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Embodiment 1: 10 parts by weight of Neurospora and 0.01 part of Candida utilis are used to make a fermented inoculant. Use 100kg of sterilized and cooled potato residue or sugar beet residue, add or not add sucrose, molasses (0.1%-5%) and other auxiliary materials, respectively insert the pre-made bacterial agent, the inoculation ratio is 0.1%-0.5%, in Under the condition of 20°C-35°C, after fermenting in a fermentation tank or a thick-layer ventilated solid, a material rich in Neurospora and Candida utilis with ethanol aroma, good palatability, and rich nutrition is obtained, which is suitable for use as Feed use.

Embodiment 2

[0020] Embodiment 2: Take 10 parts of Neurospora crassa and 100 parts of Rhodotorula by weight to make a fermentation inoculum. Use corn stalks (dry or fresh), 100kg of cellulosic materials such as bagasse as raw materials, add or not add molasses (1%-5%), water and other auxiliary materials, respectively insert the pre-prepared bacterial agents, and inoculate Ratio of 0.8%, under the condition of 20°C-35°C, after fermenting in a fermentation tank or a thick layer of ventilated solid, the ethanol-flavored, palatable and nutritious material rich in Neurospora and Rhodotorula thallus can be obtained , suitable for use as feed.

Embodiment 3

[0021] Embodiment 3: by weight, 10 parts of Neurospora intermedium and 0.1 part of Phaffia yeast were used to make a fermentation agent. Use 100kg of cellulose materials such as corn stalks (dry or fresh) and bagasse as raw materials, add or not add molasses (1-5%), water and other auxiliary materials, respectively insert pre-made bacterial agents, and the inoculation ratio 0.6%, under the condition of 20°C-35°C, after fermenting with a fermentation tank or a thick layer of ventilated solid, an ethanol-flavored, palatable, astaxanthin-containing product rich in Neurospora and Phaffia yeast cells can be obtained material suitable for use as feed.

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PUM

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Abstract

The present invention has the technology scheme of adopting microbial zymogene preparation containing neurospora and saccharomycete. The fermentation process with the microbial zymogene preparation of the present invention to produce feed or alcohol is to add the microbial zymogene preparation components simultaneously or gradually and to process the obtained material for producing feed or alcohol. The present invention has the beneficial effect that the coupled and synergistic fermentation with the microbial zymogene preparation can eliminate the feedback suppression and saccharide or ethanol product suppression in the fermentation, raise the protein content, soften material, generate spirit fragrance, improve the taste of feed and raise production efficiency and product quality.

Description

technical field [0001] The invention relates to a microbial fermenting agent, in particular to a microbial fermenting agent which can be used to produce feed or ethanol and a method for producing feed or ethanol with the fermenting agent. Background technique [0002] Using plant cellulose as raw material to produce feed, single cell protein (Single Cell Protein, SCP) or ethanol is a hot research topic at home and abroad. The production of traditional feed, single-cell protein or ethanol usually utilizes inorganic acids in chemical methods or hemicellulase (xylanase), cellulase, β- Glucosidase hydrolyzes cellulose materials to obtain fermentable sugars, and then uses yeast to produce SCP or ethanol. The purpose of using mold in biological methods is usually to use the enzyme system in it to degrade components such as cellulose, and the purpose of using yeast is usually to use the fermentable sugar obtained from the previous step of enzymatic hydrolysis as a carbon source fo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K10/12C12N1/14C12N1/16C12P7/06
CPCY02E50/17Y02E50/10
Inventor 陈育如骆跃军李雪梅
Owner NANJING NORMAL UNIVERSITY
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