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Self-assembled small peptide chelated copper feed additive and preparation method thereof

A feed additive, small peptide chelation technology, applied in animal feed, additional food elements, applications, etc., can solve the problem of low bioavailability of organic trace elements, improve immune function and growth rate, good stability, nutrition full effect

Pending Publication Date: 2021-12-28
广州康瑞德农牧科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to overcome the problems of low bioavailability of organic trace elements in the above-mentioned prior art, a self-assembled small peptide chelated copper feed additive and its preparation method are provided

Method used

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  • Self-assembled small peptide chelated copper feed additive and preparation method thereof
  • Self-assembled small peptide chelated copper feed additive and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A preparation method of a self-assembled small peptide chelated copper feed additive, comprising the following steps:

[0026] S1. Preparation of small peptide powder

[0027] Mix the amino acid with a concentration of 230g / L and the strong acid resin at a temperature of 70°C, stir for 5 hours, remove the strong acid resin, and dry to obtain small peptide powder, wherein the mass of the strong acid resin is 6% of the mass of the amino acid;

[0028] S2. Preparation of small peptide chelated copper

[0029] After dissolving the small peptide powder obtained in step S1, add an inorganic copper solution with a mass fraction of 10%, and react for 0.8 h at a temperature of 80°C; concentrate after the reaction, then add methanol to separate out the small peptide chelated copper, and obtain it after purification, wherein , the mass ratio of small peptide powder to inorganic copper is 5:1.

[0030] The amino acids include glycine, alanine, valine, leucine, isoleucine, methion...

Embodiment 2

[0032] A preparation method of a self-assembled small peptide chelated copper feed additive, comprising the following steps:

[0033] S1. Preparation of small peptide powder

[0034] Mix the amino acid with a concentration of 180g / L and the strong acid resin at a temperature of 90°C, stir for 2 hours, remove the strong acid resin, and dry to obtain a small peptide powder, wherein the mass of the strong acid resin is 3% of the mass of the amino acid;

[0035] S2. Preparation of small peptide chelated copper

[0036] After dissolving the small peptide powder obtained in step S1, add an inorganic copper solution with a mass fraction of 15%, and react for 2.5 hours at a temperature of 60°C; concentrate after the reaction, then add methanol to separate out the small peptide chelated copper, and obtain it after purification, wherein , the mass ratio of small peptide powder to inorganic copper is 3:1.

[0037] The amino acids include glycine, alanine, valine, leucine, isoleucine, m...

Embodiment 3

[0039] A preparation method of a self-assembled small peptide chelated copper feed additive, comprising the following steps:

[0040] S1. Preparation of small peptide powder

[0041] Mix the amino acid with a concentration of 200g / L and the strong acid resin at 80°C, stir for 3 hours, remove the strong acid resin, and dry to obtain small peptide powder, wherein the mass of the strong acid resin is 3 to 6% of the mass of the amino acid;

[0042] S2. Preparation of small peptide chelated copper

[0043] After dissolving the small peptide powder obtained in step S1, add an inorganic copper solution with a mass fraction of 13%, and react for 1 h at a temperature of 70°C; concentrate after the reaction, then add methanol to separate out the small peptide chelated copper, and obtain it after purification, wherein, The mass ratio of small peptide powder to inorganic copper is 4:1.

[0044] The amino acids include glycine, alanine, valine, leucine, isoleucine, methionine, proline, t...

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Abstract

The invention relates to the technical field of feed, in particular to a self-assembled small peptide chelated copper feed additive and a preparation method thereof. The preparation method comprises the following steps: S1, preparing small peptide powder, mixing amino acid and strong acid resin at 70-90 DEG C, stirring for 2-5 hours, removing the strong acid resin, and drying to obtain the small peptide powder; and S2, preparing small peptide chelated copper, dissolving the small peptide powder obtained in the step S1, then adding an inorganic copper solution, reacting for 0.8-2.5 h at the temperature of 60-80 DEG C, concentrating after the reaction, then adding methanol to separate out the small peptide chelated copper, and purifying to obtain the additive. The strong acid resin is adopted as a mold plate and a catalyst, and chelating of the obtained small peptide and inorganic copper is more stable. The obtained small peptide chelated copper compound is good in stability in animal stomachs and more comprehensive in nutrition, and can be used as the feed additive to supplement trace elements of daily ration and improve the immune function and growth speed of animal bodies.

Description

technical field [0001] The invention relates to the technical field of feed, in particular to a self-assembled small peptide chelated copper feed additive and a preparation method thereof. Background technique [0002] In order to ensure the normal function of each cell, tissue, organ, gland and system, animals need specific trace elements. Trace elements are indispensable nutrients for animals. Adding certain high-quality and high-utility trace elements in the diet is beneficial to animals. Health and maximizing their productive potential play an important role. [0003] Copper is one of the essential trace elements in animals and is a component of many enzymes in animals (such as tyrosinase, amine oxidase, ascorbate oxidase, ferrous oxidase, superoxide dismutase and cytochrome oxidase). Participate in body metabolism. When the body lacks copper, the activity of various enzymes decreases. Causes anemia, cardiac hypertrophy, bone deformation, aortic aneurysm, intermuscula...

Claims

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Application Information

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IPC IPC(8): A23K20/147A23K20/20
CPCA23K20/147A23K20/30
Inventor 山成明邓国为苏义雄
Owner 广州康瑞德农牧科技股份有限公司
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