Preparation method of liquorice pigment

A technology of licorice pigment and licorice medicinal materials is applied in the field of medicine to achieve the effects of improving comprehensive utilization value, strong practicability, and expanding the scope of application

Inactive Publication Date: 2012-02-01
JIANGSU TIANSHENG PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In the published documents and patents, there...

Method used

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  • Preparation method of liquorice pigment
  • Preparation method of liquorice pigment
  • Preparation method of liquorice pigment

Examples

Experimental program
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Effect test

Embodiment 1

[0046] (1) Take 50 kg of licorice medicinal material, crush it into coarse powder, add 300 L of ethyl acetate, heat to 50 ° C for extraction twice, combine the extracts, concentrate the extracts to 50 L, and obtain a concentrated solution;

[0047] (2) Heat the concentrated solution to 45° C., add 50 L of ammonia solution with a concentration of 0.2% under stirring, keep the reaction for 1 hour, and stop stirring.

[0048] (3) The reaction solution was left to cool to room temperature. After the layers were separated, the ethyl acetate layer was separated, and 50 L of water was added to continue the extraction twice, and the ethyl acetate layer was separated.

[0049] (4) Take the ethyl acetate layer, concentrate under reduced pressure, and spray dry to obtain 1.3 kg of licorice pigment.

Embodiment 2

[0051] (1) Take 100 kg of licorice medicinal material, grind it into coarse powder, add 650 L of n-butanol, heat to 60° C. to extract twice, combine the extracts, and concentrate the extracts to 120 L to obtain a concentrated solution;

[0052] (2) Heat the concentrated solution to 50° C., add 60 L of 0.1% sodium hydroxide aqueous solution under stirring, keep the reaction for 1.5 hours, and stop stirring.

[0053] (3) The reaction solution was left to cool to room temperature, and after the layers were separated, the n-butanol layer was separated, and 60 L of water was added for extraction once, and the n-butanol layer was separated and separated.

[0054] (4) Take the n-butanol layer, concentrate under reduced pressure, and dry by boiling to obtain 2.9 kg of licorice pigment.

Embodiment 3

[0056] (1) Take 100 kg of licorice medicinal material, grind it into coarse powder, add 400 L of n-butanol isopropyl ether, soak and extract twice at 40 ° C, combine the extracts, concentrate the extracts to 60 L, and obtain a concentrate;

[0057] (2) Heat the concentrated solution to 40° C., add 60 L of potassium hydroxide aqueous solution with a concentration of 0.1% under stirring, keep the reaction for 1.0 hour, and stop stirring.

[0058] (3) The reaction solution was left to cool to room temperature. After the layers were separated, the isopropyl ether layer was separated, and 40 L of water was added to continue the extraction once, and the isopropyl ether layer was separated and separated.

[0059] (4) The isopropyl ether layer was taken, concentrated under reduced pressure, and dried by boiling to obtain 1.9 kg of licorice pigment.

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Abstract

The invention provides a liquorice pigment and a preparation method thereof. Based on traditional Chinese medicine liquorice as a raw material, the preparation method comprises a series of steps such as extracting, removing impurities by quaternization, leaching, concentrating and drying and the like. The prepared liquorice pigment is high in content and good in fat solubility. A medicament preparation, a functional food additive and the like can be further prepared from the liquorice pigment which is used as the raw material and have the effects of antibiosis and antiphlogosis and virus resistance. The liquorice pigment preparation method provided by the invention is novel in process, good in stability and is suitable for industrial production, and has strong practicability.

Description

technical field [0001] The invention relates to a preparation method of licorice pigment, which belongs to the field of medicine. Background technique [0002] Glycyrrhiza uralensis is the root and rhizome of Glycyrrhiza uralensis Fisch., Glycyrrhiza uralensis Fisch., G. inflata Bat., or G. glabra L., a leguminous plant. It is mainly produced in Inner Mongolia, Xinjiang, Gansu and other places. Licorice has a long history of being used as medicine, and "Shen Nong's Materia Medica" listed it as the best medicine, and ancient medical scientists honored it as "the old man of the country". Because of its precious resources, it is listed as the second-class national protected wild medicinal material by the country. There are many types of chemical components in licorice, mainly containing triterpenoid saponins, flavonoids, pigments, alkaloids, polysaccharides and other components. There are many preparations developed with licorice as medicine, which have been widely used clini...

Claims

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Application Information

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IPC IPC(8): C09B61/00A23L1/29A23L1/30A61K36/484A61P31/04A61P29/00A61P31/12A23L33/00
Inventor 杨永安季浩陈月红钟慧金显友易铭
Owner JIANGSU TIANSHENG PHARMA
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