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Preparation method of polypeptide feed additive

A production method and polypeptide feed technology, applied in animal feed, animal feed, application, etc., can solve the problems of unreasonable types and quantities of amino acids, low utilization rate, etc., and achieve reasonable amino acid ratio, low cost, and absorption and utilization rate high effect

Inactive Publication Date: 2015-04-22
王树海
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Peptides made from plant proteins also have unreasonable types and quantities of amino acids, so compared with animal protein peptides, the utilization rate of plant protein peptides is also lower

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0008] specific implementation plan

[0009] Weigh 100g of dephenolized cottonseed protein powder, 150g of bean cake powder, 350g of corn gluten powder, and 400g of rice protein powder, and mix them evenly to obtain mixed protein powder. 65°C, add papain at a ratio of 1000 activity units per gram of mixed protein powder, hydrolyze at 65°C for 8 hours, then cool down to 45°C, add neutral protease at a ratio of 80 activity units per gram of mixed protein powder, 45 Continue to hydrolyze for 4 hours at ℃, after hydrolysis, inactivate the enzyme at 121℃ for 20 minutes, homogenize and spray dry to obtain the finished product.

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PUM

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Abstract

The invention relates to a preparation method of polypeptide feed additive, and belongs to the technical field of feed additives. The preparation method of the polypeptide feed additive comprises the following steps: respectively weighing dephenolized cottonseed protein powder, soybean cake powder, corn gluten meal and rice gluten meal, adding clear water and evenly stirring; heating up to 115-125 DEG C and maintaining for 10-15 minutes; cooling to 65 DEG C; adding papain for hydrolysis, and then cooling to 45 DEG C; adding neutral protease, and continuously hydrolyzing at 45 DEG C; after hydrolysis, carrying out high-temperature enzyme deactivation at 121 DEG C for 20 minutes; homogenizing and spray-drying to obtain the finished product. The polypeptide feed additive prepared by the method is prepared by taking the four cheap vegetable proteins as raw materials through enzymolysis, thus being lower in cost; due to the supplementary effect of the four raw material proteins, the ratio of amino acid is reasonable, and the polypeptide feed additive is higher in peptide absorption and utilization rate than the common vegetable proteins; furthermore, the polypeptide feed additive has multiple physiological active functions.

Description

technical field [0001] The invention belongs to the technical field of feed additives, and in particular relates to a preparation method of a polypeptide feed additive. Background technique [0002] Peptides are essential nutrients for animals. In recent years, studies on nutritional physiology have found that peptides, as the main digestion product of protein, play an important role in amino acid digestion, absorption and animal nutrition metabolism. Peptide is one of the forms of digestion and absorption of protein in the intestine, especially the absorption rate of peptide composed of 2 to 10 amino acids is faster than that of free amino acids. Peptides not only do not have the problem of competition with amino acid absorption in the digestive tract of animals, but also promote the transfer of free amino acids and improve protein utilization, thereby significantly increasing feed digestibility and utilization. The peptide itself has a large number of nucleophilic and el...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23K1/16A23K1/165
Inventor 王树海
Owner 王树海
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