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Preparation method of zinc glycinate chelate

A zinc glycinate and chelate technology, which is applied to the preparation of organic compounds, cyanide reaction preparation, organic chemical methods, etc., can solve the problems of environmental pollution, low absorption and utilization rate, long reaction time, etc., and achieve simple process and high efficiency. The effect of high purity and high efficiency

Inactive Publication Date: 2018-08-10
江西和泽生物科技有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

The use of inorganic trace element additives in food and feed mainly has the following problems: (1) Inorganic metal ions are easy to form insoluble compounds with fiber and oxalic acid in the stomach, and at the same time produce antagonistic effects with other nutrients, resulting in low absorption and utilization; ( 2) Inorganic metal ions are easy to oxidize and inactivate certain vitamins; (3) It has a stimulating effect on the intestinal tract and increases the incidence of digestive tract diseases; discharge, pollute the environment
This process has some obvious disadvantages: it is necessary to adjust the pH value of the solution with acid and alkali, and it is easy to introduce impurity ions; the reaction time is too long, which is not conducive to large-scale production

Method used

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  • Preparation method of zinc glycinate chelate

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Weigh 225.21g (3mol) of glycine, add it to 1250mL water, heat to 80°C, then slowly add 81.39g (1mol) of zinc oxide to the glycine solution, stir until the solution is clear, continue to react for 0.5h, stop the reaction, and the reaction solution After natural cooling, a large amount of zinc glycinate crystals precipitated after 0.5-1h, filtered and dried to obtain 188.2g of zinc glycinate chelate. The reaction yield is 85%, and the molecular formula is C 4 h 8 o 4 N 2 Zn 1 / 2 H 2 O.

example 1

[0014] The zinc glycinate reaction solution in Example 1 was filtered to remove the crystallization product, and the filtrate was set aside. Filtrate is used as reaction solvent and raw material, adds 27g zinc oxide, and heating continues reaction. Recycling, glycine is 100% utilized, and the reaction yield can almost reach 100%. The molecular formula is C 4 h 8 o 4 N 2 Zn 1 / 2 H 2 O.

Embodiment 3

[0016] The zinc glycinate chelate prepared above is cultivated by single crystals to obtain crystals and solve the crystal structure; the product is characterized by X-ray powder diffraction, and its purity is determined by comparing the powder diffraction data of its crystals.

[0017] The X-ray powder diffraction figure of zinc glycine chelate is as attached figure 1 shown.

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Abstract

The invention discloses a preparation method of zinc glycinate chelate. The preparation method is characterized by including: taking glycine and zinc oxide as raw materials according to a molar ratioof (4.0-2.0):1; stirring at 60-100 DEG C for reaction for 0.5-1h; finishing reaction after a solution becomes clear; naturally cooling reaction liquid for crystallization; filtering, separating, and drying to obtain zinc glycinate chelate. Glycine and zinc oxide which are cheap in market price are utilized as the raw materials to prepare zinc glycinate chelate. Zinc glycinate chelate prepared by the method meets physiological condition requirements and has the advantages of being neutral, small in molecular weight and integrally absorbable.

Description

technical field [0001] The invention relates to a method for preparing high-purity zinc glycine chelate with simple process and high efficiency. It does not need to add additional acid and alkali to adjust the pH value of the solution. The molecular formula of zinc glycine chelate is C 4 h 8 o 4 N 2 Zn 1 / 2 H 2 O. Background technique [0002] The trace elements in inorganic trace additives are mainly inorganic mineral salts. The use of inorganic trace element additives in food and feed mainly has the following problems: (1) Inorganic metal ions are easy to form insoluble compounds with fiber and oxalic acid in the stomach, and at the same time produce antagonistic effects with other nutrients, resulting in low absorption and utilization; ( 2) Inorganic metal ions are easy to oxidize and inactivate certain vitamins; (3) It has a stimulating effect on the intestinal tract and increases the incidence of digestive tract diseases; discharged, causing pollution to the enviro...

Claims

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Application Information

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IPC IPC(8): C07C229/76C07C227/18
CPCC07C227/18C07B2200/13C07C229/76
Inventor 蔡琥陈翔严章强
Owner 江西和泽生物科技有限公司
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