Method for producing high proteined feedstuff by sugar grains fermentation

A technology of high-protein feed and sugar grains, which is applied to the protein composition of yeast, animal feed, animal feed, etc., can solve the problems of difficult absorption and utilization, low price of raw sugar grains, etc., and achieve low raw material prices, increased protein content, The effect of increasing the content of sugar grain protein

Inactive Publication Date: 2006-02-08
DALIAN POLYTECHNIC UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional method in our country sells unprocessed sugar grains as ordinary feed, but the price of raw sugar grains without deep processing is very low, and it is difficult for livestock to absorb and utilize them after eating

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] a, yeast activation: take the dry yeast of Saccharomyces cerevisiae and insert it into 2% (weight) sugar water, keep it warm for 20 minutes at a temperature of 30-40° C., then place it at room temperature for 2 hours, and pour off the supernatant;

[0033] b. Treatment of sugar residue liquid: take 100 grams of sugar residue and add 3 times the weight of water, mix well and adjust the pH to 5.1-5.3 with hydrochloric acid;

[0034] c. Degradation: Add 2 milliliters of phytase, 1 milliliter of pectinase and 2 milliliters of glucoamylase to the processed sugar residue, and degrade sequentially according to the following conditions:

[0035] Phytic acid degradation: keep warm at 37°C for 30 minutes;

[0036] Pectin degradation: react at 40°C for 30 minutes;

[0037] Degradation of starch dextrin: Stir at a constant temperature of 90°C until no blue color is detected by iodine solution;

[0038] d. Fermentation culture: Add 1.0% activated dry yeast by volume to the degrade...

Embodiment 2

[0041] Embodiment 2. add the water of 1 times weight in 100 gram sugar grains, all the other steps are degraded and fermented as embodiment 1 method, and fermentation time is 2 days, obtains the sugar grains feed that crude protein content is 36% (weight).

Embodiment 3

[0042] Embodiment 3. add the water of 4 times of weight in 100 gram sugar grains, all the other steps carry out degradation and fermentation as embodiment 1 method, fermentation time is 3 days, obtains the sugar grains feed that crude protein content is 38% (weight).

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PUM

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Abstract

The invention relates to a method for producing high proteined feedstuff by sugar grains fermentation which comprises, utilizing saccharifying enzyme, pectolase and phytase, to degrade amylodextrin, pectine and phytic acid in the sugar draff liquid, then utilizing yeast accretion to consume sugar, ash and inorganic salts in the fermented solution. The preparing process comprises the steps of raw material selection, phytic acid degradation, pectine degradation, amylodextrin degradation, saccharomycete activating, fermentation and culture, finally separating and drying.

Description

technical field [0001] The invention relates to the field of feed processing industry, in particular to a method for deep-processing sugar grains to produce high-protein feed using bioengineering technology. Background technique [0002] Starch undergoes a double-enzyme saccharification process to produce reducing syrup, and the sugar grains obtained through filtration can be used as feed. In addition to a part of residual sugar, sugar grains also contain more oil, protein, pectin, cellulose, inorganic salts and a part of starch dextrin that has not been completely decomposed. After testing, the sugar grains contain 60% moisture. In terms of dry matter, it contains 23% residual sugar, 33% oil, 25% crude protein and 4.5% ash. It contains about 17% reducing sugar, which can be used by yeast and converted into yeast protein. The traditional method in our country sells unprocessed sugar grains as common feed, but the price of raw sugar grains without deep processing is very l...

Claims

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Application Information

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IPC IPC(8): A23K1/00A23J1/18A23K10/10
Inventor 赵长新张亮郭建华董亮
Owner DALIAN POLYTECHNIC UNIVERSITY
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