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Preparation method and application of alanine metal chelate

A metal chelate and alanine technology, applied in the preparation of organic compounds, cyanide reaction preparation, 1/11 group organic compounds without C-metal bonds, etc., can solve the low utilization rate of amino acids and metal salts , increase production costs, waste resources and other issues, to achieve the effect of shortening the production cycle, improving quality, and easy operation

Active Publication Date: 2020-09-29
ANHUI HUAHENG BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are generally problems such as low yield, low utilization of amino acids and metal salts, which increase production costs and waste resources.

Method used

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  • Preparation method and application of alanine metal chelate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Example 1 Preparation of Alanine Chelated Zinc

[0041] (1) 267.3g of alanine was dissolved in 3L of water to obtain alanine solution;

[0042] (2) according to alanine: the mol ratio of zinc chloride is 2:1, in the alanine solution that makes, add zinc chloride solution, under stirring condition, add sodium hydroxide solution, adjust reaction solution pH6.0 Afterwards, it was placed in a water bath at 80°C for ultrasonic treatment with an ultrasonic power of 100w and an ultrasonic time of 1h to obtain a reaction solution;

[0043] (3) Vacuum-concentrate the reaction solution (-0.085MPa—0.095MPa) to 500mL in a water bath at 60-70°C;

[0044] (4) After adding 1.5L of absolute ethanol to the concentrated solution prepared in step (3), place it in a water bath at 70°C for 1 hour, and then carry out vacuum concentration (-0.085MPa—-0.095MPa) at 70°C to nothing Water, a large number of white crystals are precipitated;

[0045] (5) Add 3.0-4.0L of absolute ethanol to the ...

Embodiment 2

[0047] Example 2 Preparation of alanine chelated magnesium

[0048] (1) Dissolve 300g of alanine in 3.3L of water to prepare an alanine solution;

[0049] (2) according to alanine: the mol ratio of magnesium chloride is 2:1, in the alanine solution that makes, add magnesium chloride solution, under stirring condition, add sodium hydroxide solution, after adjusting reaction solution pH6.0, it is mixed with Place in a water bath at 90°C for ultrasonic treatment, with an ultrasonic power of 100w and an ultrasonic time of 1h, to obtain a reaction solution;

[0050] (3)-(5) are the same as embodiment 1.

[0051] Using the detection method of the present invention to detect, the chelation rate is 93%.

Embodiment 3

[0052] Example 3 Preparation of alanine chelated copper

[0053](1) take by weighing the alanine of 267.3g, be dissolved in 3L water, make alanine solution;

[0054] (2) According to alanine: the mol ratio of copper chloride is 2:1, add copper chloride solution in the prepared alanine solution, stir, dissolve, add sodium hydroxide solution in the prepared reaction solution , adjust the pH of the reaction solution to 5.5, place it in a water bath at 80°C for ultrasonic treatment, the ultrasonic power is 100w, and the ultrasonic time is 1h, to obtain the reaction solution;

[0055] (3)-(5) are the same as embodiment 1.

[0056] Using the detection method of the present invention to detect, the chelation rate is 94%.

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Abstract

The invention relates to a preparation method of an alanine metal chelate. The preparation method comprises the following steps: adding a metal salt solution into an alanine solution, carrying out a chelation reaction under acidic conditions, and concentrating, precipitating, separating and drying the obtained reaction solution to obtain the alanine metal chelate. The method is high in chelating rate, simple and convenient to operate, capable of remarkably shortening production period and remarkably reducing the production cost, and suitable for large-scale industrial production.

Description

technical field [0001] The invention belongs to the field of chemical synthesis, and in particular relates to a preparation method and an application of an alanine metal chelate. Background technique [0002] Essential trace elements (such as iron, copper, manganese, zinc, etc.) play a very important role in animal nutrition. The content of trace elements in conventional feed is low and incomplete, which is difficult to meet the needs of livestock and poultry, and must be artificially added. For more than half a century, people have done a lot of research on trace element additives. Amino acid metal chelate is a new type of trace element feed additive developed in recent years, known as the third generation product. Amino acid metal chelates are the reaction products of metal ions and amino acids, often using methionine, tyrosine, tryptophan, leucine, glycine and hydrolyzed protein as ligands. Due to the ring structure of the chelate, the chemical stability of the metal a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C227/18C07C229/76C07F1/08C07F3/02C07F3/06C07F3/04C07F11/00A23K20/24A23K20/20A23K20/142
CPCC07C227/18C07F3/003C07F3/02C07F3/06C07F1/005C07F1/08C07F11/005A23K20/30A23K20/24A23K20/142C07C229/76
Inventor 马祥亮刘树蓬刘磊苏娜娜余军
Owner ANHUI HUAHENG BIOTECH
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