Method for producing multifunctional distiller's grain feed

A distiller's grains, multi-functional technology, applied in animal feed, animal feed, application, etc., can solve the problems of high fiber and single function, and achieve the goal of promoting animal growth, realizing rational utilization of resources, and enriching beneficial bacteria in the intestinal tract of animals Effect

Pending Publication Date: 2021-01-12
TIANJIN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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Problems solved by technology

[0004] The purpose of the present invention is to provide a method for producing a multi-functional distiller's grain feed that can promote animal growth, imp

Method used

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  • Method for producing multifunctional distiller's grain feed
  • Method for producing multifunctional distiller's grain feed
  • Method for producing multifunctional distiller's grain feed

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Steam explosion pretreatment of raw distiller's grains:

[0029] First, the fresh distiller's grains are placed on the material table of the steam explosion process test bench for steam explosion. The steam explosion pressure is 1.5MP, and the steam explosion time is controlled to 3 minutes, 5 minutes, 10 minutes, 15 minutes, and 20 minutes respectively. The reducing sugar, lignin and hemicellulose of the above-mentioned steam explosion products are determined, and the contents are shown in figure 1 .

Embodiment 2

[0031] Steam explosion pretreatment of raw distiller's grains:

[0032] First, the fresh distiller's grains are placed on the material platform of the steam explosion process test bench for steam explosion. The steam explosion time is 10 minutes, and the steam explosion pressure is controlled to be 1.3MP, 1.5MP, 1.7MP, 1.9MP, and 2.1MP respectively. Determination of the reducing sugar, lignin and hemicellulose of the above-mentioned steam explosion products, see figure 2 .

Embodiment 3

[0034] Determination of lactic acid bacteria for distiller's grain feed production.

[0035] Combined embodiment 1 and 2 optimization steam explosion conditions, process the distiller's grains obtained under optimum steam explosion conditions (pressure 1.7MP, pretreatment time 15min) as fermentation substrate, it is packed in 250mL Erlenmeyer flask (90g per bottle) And sterilized at 121°C for 30 minutes. Fermentation experiments were carried out by combining the following three strains: ① Saccharomyces cerevisiae, Candida utilis, Bacillus subtilis, Trichoderma konningen, Lactobacillus germanica; ② Saccharomyces cerevisiae, Candida utilis, Bacillus subtilis, Konning wood Mold, Lactobacillus plantarum; ③ Saccharomyces cerevisiae, Candida utilis, Bacillus subtilis, Trichoderma korningii, Pediococcus lactis. Each combination was inoculated with various strains of bran koji in equal proportions, and the total inoculum amount was controlled at 10 g. After inoculation, it was placed...

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Abstract

The invention provides a method for producing a multifunctional distiller's grain feed, which mainly comprises the following steps: pretreating raw material vinasse, and inoculating microbial strainsto ferment by using the pretreated vinasse as a fermentation substrate, thereby obtaining the multifunctional distilled spirit vinasse feed, wherein the microbial strains consist of saccharomyces cerevisiae, candida utilis, lactobacillus plantarum, bacillus subtilis, trichoderma koningii, aspergillus niger CICC 2103, aspergillus niger CICC 2041 and Myceliophthora thermophila. Various functional microorganisms are mixed to ferment the vinasse, so that the problems of insufficient nutrition and single function of the vinasse feed can be solved, and the vinasse feed has the functions of promotinganimal growth, improving animal immunity, improving feed palatability and the like, and can also enrich animal intestinal beneficial flora.

Description

technical field [0001] The invention belongs to the technical field of microbial fermentation, and in particular relates to a method for producing multifunctional distiller's grain feed. Background technique [0002] From 2010 to 2016, the average annual output of liquor in China was close to 12 million tons. Although it has declined in recent years, it is still close to 10 million tons. Normally, 1 ton of liquor will produce 3 tons of by-products - distiller's grains, so it will be produced in China. There is a large amount of distiller's grains produced. At the same time, distiller's grains have high water content and high acidity, making it difficult to preserve for a long time, and distiller's grains contain a large amount of indigestible rice husk, which increases the difficulty of its utilization. [0003] Distiller's grains are often fermented to produce feed, but there is not only a large amount of cellulose remaining in the distiller's grains, which is not conduciv...

Claims

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Application Information

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IPC IPC(8): A23K10/12
CPCA23K10/12Y02P60/87
Inventor 郭学武范恩帝冯敏雪甘霖耀陈叶福肖冬光张翠英
Owner TIANJIN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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