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Preparation method of cupric glycinate complex compound

A technology of copper glycinate and complexes, which is applied in the field of preparation of copper glycinate complexes, can solve the problems of soil water quality environmental pollution, death, hemolysis, etc., and achieve the effects of avoiding environmental pollution, good solubility, and reducing waste liquid discharge

Inactive Publication Date: 2012-07-18
JIANDE WEIFENG FEED
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But when it exceeds a certain level, a large amount of copper will be released into the blood, causing hemolysis, jaundice and even death, and it also brings about environmental pollution of soil and water quality.

Method used

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  • Preparation method of cupric glycinate complex compound
  • Preparation method of cupric glycinate complex compound
  • Preparation method of cupric glycinate complex compound

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Example 1: The reaction molar ratio of glycine and copper sulfate is 1:1, add 100g of glycine to 150ml aqueous solution and raise the temperature to 45°C, add 333g of copper sulfate pentahydrate under stirring, control the pH=1.0, heat up to 80°C, and react 1.5 hour, after the complexation reaction is completed, the glycine copper complex solution is generated, and the glycine copper complex solution is cooled to normal temperature with stirring, and the glycine copper complex crystals are separated out to form a crystal mixed solution, and the above crystal mixed solution is filtered to make it "Solid-liquid separation", the filtrate is refluxed and reused, the filter cake (i.e. crystal) is dried, pulverized, and sieved to 20 meshes to produce 289.7g of glycine copper complex product glycine sulfate dihydrate copper (II), with a yield of 80.69 %.

Embodiment 2

[0040] Example 2: The reaction molar ratio of glycine and copper sulfate is 1:1.3, add 100g of glycine to 200ml aqueous solution and heat up to 50°C, stir, add 433g of copper sulfate pentahydrate, control pH=1.8, heat up to 85°C, and react 2 hour, after the complexation reaction is completed, the glycine copper complex solution is generated, and the glycine copper complex solution is cooled to normal temperature with stirring, and the glycine copper complex crystals are separated out to form a crystal mixed solution, and the above crystal mixed solution is filtered to make it "Solid-liquid separation", the filtrate is refluxed and reused, the filter cake (i.e. crystal) is dried, pulverized, and sieved to 30 meshes to produce 298.5g of glycine copper complex product glycine sulfate dihydrate copper (II), with a yield of 83.15 %.

Embodiment 3

[0041] Example 3: The reaction molar ratio of glycine and copper sulfate is 1.25:1, add 100 g of glycine to 150 ml of aqueous solution and raise the temperature to 55 ° C, stir, add 266 g of copper sulfate pentahydrate, control pH = 4, heat up to 90 ° C, and react 2.5 After the completion of the complexation reaction, a glycine copper complex solution is generated, and the glycine copper complex solution is cooled to normal temperature with stirring, and the glycine copper complex crystals are separated out to form a crystal mixed solution. Filter the above crystal mixed solution to make it "solid-liquid separation", the filtrate is refluxed and reused, the filter cake (i.e. the crystal) is dried, crushed, and sieved to 30 meshes to make the copper glycine complex product copper glycine sulfate dihydrate (II) 293.3g, yield 81.72%.

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Abstract

The invention discloses a preparation method of a cupric glycinate complex compound, belonging to the technical field of copper complex compounds. The method comprises the following steps of: adding glycine serving as a major raw material into a solvent; heating to 45-55 DEG C; adding copper sulfate serving as a major raw material while stirring; controlling the pH value at 1-4; heating to 80 DEG C; undergoing a complex reaction at the reaction temperature of 80-90 DEG C to generate a cupric glycinate complex compound solution; stirring and cooling to the normal temperature; separating a cupric glycinate complex compound crystal out; filtering; performing solid-liquid separation; refluxing a filtrate and recycling; and drying a filter cake, smashing and sieving to obtain a cupric glycinate complex compound, i.e., sulfate glycinate copper dihydrate (II). The method has the characteristics of simple process, short production period, high product purity, environmentally-friendly process, product advantages of stable structure, high solubility, high digestibility, interference resistance, freeness from irritation and toxicity and the like, convenience for popularizing and applying, and the like.

Description

technical field [0001] The invention belongs to the technical field of copper complexes, and in particular relates to a preparation method of copper glycinate complexes for copper supplementation of animals and human bodies. Background technique [0002] Copper is one of the essential trace elements for the human body, with a content of 0.0001% in the human body, ranking third after iron and zinc. Copper is involved in the composition and activation of various enzymes, such as cytochrome oxidase, urate oxidase, peroxidase dismutase, etc. Ceruloplasmin with enzymatic activity is called copper protease, and ceruloplasmin can regulate the concentration of serum biogenic amine, epinephrine and 5-hydroxytryptamine. Participate in the biological transformation of the body, electron transfer, redox and tissue respiration. Copper can also enhance the body's defense ability, participate in the process of hematopoiesis, regulate the absorption of iron in the body, synthesize hemoglo...

Claims

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Application Information

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IPC IPC(8): C07C229/76C07C227/18A23K1/16
Inventor 孔随飞张玉红孙爱玉
Owner JIANDE WEIFENG FEED
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