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Method for producing additive premix feed by using tryptophan fermentation waste

A technology of fermenting waste and premixed feed, which is applied in animal feed, animal feed, feed, etc., can solve the problems of environmental pollution of waste extraction, high cost of separation and extraction, etc., to enhance the health of the body, improve the utilization rate of feed, and comprehensive nutrition balanced effect

Inactive Publication Date: 2011-10-05
HENAN JULONG BIOLOGICAL ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In summary, the present invention is aimed at the problems of high cost of separation and extraction and serious environmental pollution of extraction waste in the industrialization process of producing L-tryptophan by the existing fermentation method, and develops a production method using tryptophan fermentation waste. Additive premix feed method

Method used

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Examples

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Effect test

Embodiment 1

[0028] A method for producing additive premixed feed using tryptophan fermentation waste, the method comprising the following steps:

[0029] 1. After the fermentation liquid is separated and extracted from fine-quality tryptophan, the fermentation waste is obtained, and the fermentation waste contains about 0.5% tryptophan;

[0030] 2. Use a hammer mill to pulverize the corn dregs with a water content of about 5% to a raw material with a particle size of 1mm, and make it into material A;

[0031] 3. Stir and mix the fermentation waste and corn steep liquor in step 1 according to the ratio of 1:0.5, and concentrate until the solid content is 10% to make B material;

[0032] 4. Spray material B in step 3 evenly on material A in step 2 with spray equipment, and stir and mix with screw conveyor while spraying;

[0033] 5. Transport the mixture in step 4 to the drying chamber of the dryer with a screw conveyor, keep the temperature at 150°C, and the drying time is 10s, and dry it...

Embodiment 2

[0035] A method for producing additive premixed feed using tryptophan fermentation waste, the method comprising the following steps:

[0036] 1. After the fermentation liquid is separated and extracted from fine-quality tryptophan, the fermentation waste is obtained, and the fermentation waste contains about 0.8% tryptophan;

[0037] 2. Use a hammer mill to pulverize the corn dregs with a water content of about 8% until the particle size is 2mm, and make it into material A;

[0038] 3. Stir and mix the fermentation waste and corn steep liquor in step 1 according to the ratio of 1:1, and concentrate the mixture until the solid content is 30% to make material B;

[0039] 4. Spray material B in step 3 evenly on material A in step 2 with spray equipment, and stir and mix with screw conveyor while spraying;

[0040] 5. Transport the mixture in step 4 to the drying cavity of the dryer with a screw conveyor, keep the temperature at 130°C, and the drying time is 15s. After being drie...

Embodiment 3

[0042] A method for producing additive premixed feed using tryptophan fermentation waste, the method comprising the following steps:

[0043] 1. After the fermentation liquid is separated and extracted from fine-quality tryptophan, the fermentation waste is obtained, and the fermentation waste contains about 1.0% tryptophan;

[0044] 2. Use a hammer mill to pulverize the corn dregs with a water content of about 10% until the particle size is 3mm, and make it into material A;

[0045] 3. Stir and mix the fermentation waste and corn steep liquor in step 1 according to the ratio of 1:1.5, and concentrate until the solid content is 30% to make B material;

[0046] 4. Spray material B in step 3 evenly on material A in step 2 with spray equipment, and stir and mix with screw conveyor while spraying;

[0047] 5. Transport the mixture in step 4 to the drying cavity of the dryer with a screw conveyor, keep the temperature at 130°C, and the drying time is 20s. After drying in the dryer, ...

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Abstract

The invention provides a method for producing additive premix feed by using tryptophan fermentation waste. The method comprises the following steps of: stirring, mixing and concentrating the fermentation waste containing 0.5 to 1 percent of tryptophan and corn steep liquor in a ratio of 1: (0.5-5) to form a mixture containing 10 to 50 percent of solid, uniformly spraying the mixture to the pre-crushed corn grit with grain diameter of 1 to 3 millimeters, stirring and mixing the pulp by using a screw conveyor while spraying, conveying the pulp to an airflow drying system, and instantaneously drying the pulp. The moisture index of the finished product is 5 to 10 percent, and the tryptophan content is 5 to 10 percent. The tryptophan fermentation waste is combined with rich bacterial protein and plant protein in the corn steep liquor and compounded with rich plant fibers in the corn grit, and the nutrient components are mutually complemented, so that the absorption utilization rate of the premix feed is greatly improved.

Description

Technical field: [0001] The invention relates to a new process of tryptophan additive premixed feed, which belongs to the field of feed, in particular to a method for producing additive premixed feed by using tryptophan fermentation waste. Background technique: [0002] The scientific name of L-tryptophan is β-indolylalanine, the chemical name is L-2-amino-3-indolylpropionic acid, alias L-trypsin amino acid, L-aminoindolepropionic acid, molecular formula C 11 h 12 N 2 o 2 , relative molecular mass 204.23. L-Tryptophan is one of the eight essential amino acids in human and animal life activities, and exists in organisms in a free or combined state. According to the calculation of the Food and Agriculture Organization of the United Nations in 2000, the annual demand for L-tryptophan in the world market is about 1.2 million tons or more. In order to promote the application of L-tryptophan, L-tryptophan, whose price has always been relatively high, hopes to have a cheap an...

Claims

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Application Information

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IPC IPC(8): A23K1/16A23N17/00A23K20/142
Inventor 赵春光赵鹤刘建伟刘向楠孟宗盘李伟
Owner HENAN JULONG BIOLOGICAL ENG CO LTD
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