Natural chlorophyll iron-manganese salt and preparation method thereof

A technology of chlorophyll, iron and manganese, which is applied in the field of natural pigment salt and its preparation, and achieves the effects of great application potential, simple and convenient preparation method, and low cost

Inactive Publication Date: 2012-11-28
NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

After searching, there is no report on the technical scheme of derivatizing the natural iron-manganese chlorophyllin salt and its ferric chlorophyllin sodium salt into iron-manganese chlorophyllin salt

Method used

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  • Natural chlorophyll iron-manganese salt and preparation method thereof
  • Natural chlorophyll iron-manganese salt and preparation method thereof
  • Natural chlorophyll iron-manganese salt and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Sodium iron chlorophyllin is dissolved in water to form a dark green solution, and manganese salt is dissolved in water to form a colorless and transparent solution. Add the manganese salt solution into the ferric chlorophyllin sodium salt, stir at a speed of 1000r / min, and make it fully react at room temperature. And aged at room temperature 25°C for 5h. Separation by filtration and drying at 50°C to obtain black (black-green) chlorophyll iron manganese salt. Carry out the measurement of each index. Wherein, by AVATAR360 type Fourier transform infrared spectrometer, UV7652 spectrophotometer, obtain chlorophyll iron sodium salt and chlorophyll iron manganese salt spectrogram (see attached Figure 1~4 ), and analyzed and compared, it was determined that the product was chlorophyll iron manganese salt.

[0027] The calculated yield was 83%.

Embodiment 2

[0029] Sodium iron chlorophyllin is dissolved in water to form a dark green solution, and manganese salt is dissolved in water to form a colorless and transparent solution. Add the manganese salt solution into the sodium iron chlorophyllin salt, stir at a speed of 900r / min, and make it fully react at a room temperature of 20°C. Aging at room temperature for 8h. Separation by filtration and drying at 60°C to obtain black (black-green) chlorophyll iron manganese salt. Carry out the measurement of each index.

[0030] The calculated yield was 92%.

Embodiment 3

[0032] Sodium iron chlorophyllin is dissolved in water to form a dark green solution, and manganese salt is dissolved in water to form a colorless and transparent solution. The manganese salt solution was added to the ferric chlorophyllin sodium salt, stirred at a speed of 1300r / min, and aged at room temperature at 17°C for 9h. Separation by filtration and drying at 80°C to obtain black (black-green) chlorophyll iron manganese salt. Carry out the measurement of each index.

[0033] The calculated yield was 80%.

[0034] Salt formation analysis of chlorophyll iron and manganese:

[0035] 1. Salt-forming reaction equation

[0036]

[0037] 2. Analysis of experimental principles

[0038] The iron in the center of the chlorophyll iron sodium salt ring is relatively stable, but the concentration and medium conditions controlled in this experiment do not meet the requirements for the center metal to be replaced. In addition, the distance between the center of the porphyrin r...

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Abstract

The invention discloses a preparation method of a natural chlorophyll iron-manganese salt and the natural chlorophyll iron-manganese salt (also called as iron chlorophyll manganese). According to the method, a chlorophyll iron-sodium salt and a manganese salt are used as raw materials and directly synthesized into the chlorophyll iron-manganese salt in one step by a solution method. The method comprises the following steps of: respectively dissolving the chlorophyll iron-sodium salt and the manganese salt into water; adding the manganese salt solution into the chlorophyll iron-sodium salt solution, performing magnetic stirring at the speed of about 1,000 revolutions per minute, and fully reacting at room temperature (17 to 25 DEG C); and ageing, separating, and drying at the temperature of between 50 and 80 DEG C, thus obtaining the dark (dark green) chlorophyll iron-manganese salt. The yield is 80 to 92 percent. The preparation method is simple, low in cost and high in yield, and ensures that byproducts are not produced and environmental pollution is avoided. The raw materials for synthesis are easily available, cheap, nontoxic and innocent, and have a good development and application prospect on the aspects of complementing health-care medicaments of trace elements and the like.

Description

technical field [0001] The invention relates to a natural pigment salt and a preparation method thereof, in particular to a preparation method of natural chlorophyll iron and manganese salt. The obtained natural chlorophyll iron manganese salt is also called iron manganese chlorophyllin. Background technique [0002] With the change of people's life and eating habits and the increasing level of material demand, there is a new understanding and requirement for natural and healthy food, food additives, health products, medicines, etc. The compounds of chlorophyll derivatives undoubtedly meet this condition. It has strong biological activity and functionality, and has been successfully used in non-toxic food additives, health medicines, and medical treatment. Therefore, the research and development of such derivatives has a good prospect. [0003] The ferro-manganese chlorophyll salt synthesized in this patent is a kind of metal chlorophyll derivative, which is a kind of chl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07D487/22
Inventor 刘淑萍王燕闫路省
Owner NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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