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Preparation method of high-purity magnesium malate

A magnesium malate, high-purity technology, applied in carboxylate preparation, separation/purification of carboxylic acid compounds, organic chemistry, etc., can solve the problems of low purity of magnesium malate, high production cost, low chelation rate, etc. Achieve the effects of facilitating industrial production, increasing chelation rate, and improving quality

Inactive Publication Date: 2019-06-28
NANTONG FEIYU FINE CHEM
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AI Technical Summary

Problems solved by technology

The preparation of magnesium malate in the prior art has low purity, low chelation rate, low output and high production cost

Method used

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  • Preparation method of high-purity magnesium malate

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Effect test

Embodiment 1

[0019] A kind of preparation method of high-purity magnesium malate, through the preparation of solution, mixed reaction, filtration, concentrated crystallization and granulation steps, complete the preparation of high-purity magnesium malate; Concrete steps are as follows:

[0020] (1) Preparation of dissolving solution: deionized water and DL-malic acid were mixed and dissolved to obtain a dissolving solution; the mixing mass ratio of deionized water and DL-malic acid was 100:1.

[0021] (2) Mixed reaction: heat the solution to 76°C, add magnesium oxide, continue to heat up to 112°C, and continue stirring until the magnesium oxide is completely dissolved to obtain a reaction solution; the mass ratio of magnesium oxide to the solution is 0.8:100.

[0022] (3) Filtration: the reaction solution is decolorized and filtered.

[0023] (4) Concentrated crystallization: the filtrate is concentrated and crystallized under reduced pressure to obtain magnesium malate crystals.

[0024...

Embodiment 2

[0026] A kind of preparation method of high-purity magnesium malate, through the preparation of solution, mixed reaction, filtration, concentrated crystallization and granulation steps, complete the preparation of high-purity magnesium malate; Concrete steps are as follows:

[0027] (1) Preparation of dissolving solution: deionized water and DL-malic acid were mixed and dissolved to obtain a dissolving solution; the mixing mass ratio of deionized water and DL-malic acid was 100:3.

[0028] (2) Mixed reaction: heat the solution to 80°C, add magnesium oxide, continue to heat up to 118°C, and continue stirring until the magnesium oxide is completely dissolved to obtain a reaction solution; the mass ratio of magnesium oxide to the solution is 1.2:100.

[0029] (3) Filtration: the reaction solution is decolorized and filtered.

[0030] (4) Concentrated crystallization: the filtrate is concentrated and crystallized under reduced pressure to obtain magnesium malate crystals.

[0031...

Embodiment 3

[0033] A kind of preparation method of high-purity magnesium malate, through the preparation of solution, mixed reaction, filtration, concentrated crystallization and granulation steps, complete the preparation of high-purity magnesium malate; Concrete steps are as follows:

[0034] (1) Preparation of dissolving solution: deionized water and DL-malic acid were mixed and dissolved to obtain a dissolving solution; the mixing mass ratio of deionized water and DL-malic acid was 100:2.

[0035] (2) Mixed reaction: heat the solution to 78°C, add magnesium oxide, continue to heat up to 115°C, and continue stirring until the magnesium oxide is completely dissolved to obtain a reaction solution; the mass ratio of magnesium oxide to the solution is 1.0:100.

[0036] (3) Filtration: the reaction solution is decolorized and filtered.

[0037] (4) Concentrated crystallization: the filtrate is concentrated and crystallized under reduced pressure to obtain magnesium malate crystals.

[0038...

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Abstract

The invention discloses a preparation method of high-purity magnesium malate. The preparation of the high-purity magnesium malate is completed through the steps of preparation of solving liquid, a mixed reaction, filtration, concentration and crystallization and granulation. The magnesium malate produced by the method has the advantages that the chelation rate is significantly increased, the quality of the product can be significantly improved, the preparation process is simple, and the industrial production is achieved conveniently.

Description

Technical field [0001] The invention relates to a method for preparing magnesium malate, and in particular to a method for preparing high-purity magnesium malate. Background technique [0002] Magnesium malate is the best source of magnesium for the human body. It supplements magnesium with malic acid. CAS: 869-06-7, white powder, a nutritional fortifier. [0003] Magnesium is an essential basic element for the human body (including animals). Cationic magnesium can strengthen bones, strengthen teeth, reduce inflammation, analgesia, maintain normal excitability of nerves and muscles, and can treat allergic diseases. Magnesium participates in almost all metabolic processes of the human body, and its content in cells is second only to potassium. Magnesium affects the "channels" through which potassium, sodium, and calcium ions move inside and outside cells, and plays a role in maintaining biological membrane potential. The lack of magnesium will inevitably cause harm to huma...

Claims

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Application Information

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IPC IPC(8): C07C51/41C07C59/245C07C51/42
Inventor 姚建飞朱为宏陈斌
Owner NANTONG FEIYU FINE CHEM
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