Synergistic clean extraction method of effective components in licorice root

The technology of an active ingredient and an extraction method is applied in the field of synergistic cleaning and extraction of active ingredients in licorice, and can solve the problems of low content of isoliquiritigenin and difficulty in extracting isoliquiritigenin.

Inactive Publication Date: 2015-08-26
李玉山
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because the content of isoliquiritin in licorice is not high, it is difficult to extract isoliquiritin, so its market price is about 10 times higher than that of liquiritin.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0067] Thick licorice rhizome powder is added to the multi-functional extraction tank, countercurrent forced circulation, an outlet is set in the middle of the tank, and the pump is pumped into the bottom of the tank cover to form a pressure-type upward push, which not only has a circulation effect, but also can better loosen the tank The benefits of medicinal materials are greater than dynamic extraction. A deceleration stirrer is added to the bottom and top of the tank, and the medicinal materials are decocted in the tank and stirred in the middle. Vacuum discharge is required after decocting, which not only shortens the discharge time, but more importantly, can exhaust the effective residual liquid in the slag to avoid waste. When the equipment is in working condition, the valve of the air circuit of the upper hook locking system is also in working condition, and the safety cylinder must be used during work to avoid accidents caused by decoupling due to pressure relief. Clo...

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Abstract

A synergistic clean extraction method of effective components in licorice root adopts a solvent to synchronously extract the effective components in licorice root in order to obtain a total extract product, and the total extract product is separated one by one according to physical and chemical properties of all the components. The method comprises the following steps: 1, preparing the total extract product of the licorice root; 2, separating water-soluble and fat-soluble components; 3, separating glycyrrhizic acid from licorice pigments, licorice glucose and licorice polysaccharides in the water-soluble components; 4, separating the licorice pigments from the licorice glucose and the licorice polysaccharides; 5, separating the licorice glucose from the licorice polysaccharides; 6, separating and purifying glabridin in the fat-soluble components; 7, separating and purifying liquiritin and isoliquiritin in the fat-soluble components; 8, separating and purifying isoliquiritigenin and liquiritigenin in the fat-soluble components; 9, separating and purifying licochalcone A in the fat-soluble components; 10, separating and purifying licorice lignin in the fat-soluble components; and 11, separating and purifying licorice cellulose in the fat-soluble components.

Description

technical field [0001] The invention relates to a synergistic cleaning extraction method of active ingredients in licorice. Background technique [0002] Licorice (Glycyrrhiza uralensis Fisch) Alias: Guolao, sweet grass, Ural licorice, sweet root. The medicinal parts are roots and rhizomes, which are cylindrical, with bud marks on the surface and pith in the middle of the section. Length 25-100cm, diameter 0.6-3.5cm. The outer skin is different in elasticity, the surface is reddish brown or grayish brown, and the inside is light yellow. Slight gas, sweet and special. There are three kinds of original licorice plants recognized by the National Pharmacopoeia, namely the dried roots and rhizomes of Glycyrrhiza uralensis Fisch., Glycyrrhiza infiata Bat. and Glycyrrhiza glabra L.. Licorice is a traditional Chinese medicinal material with a long history of application and is well-known at home and abroad. As early as the Warring States period, there were records of using lico...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07H15/256C07H1/08C07J63/00C09B61/00C08B37/02C08B37/00C07D493/04C07D311/30C07D311/40C07H15/26C07C49/835C07C49/84C07C45/78C08H7/00D21C3/00A61K36/484
CPCC07H15/256A61K36/484C07C45/78C07C45/79C07C45/80C07D311/30C07D311/40C07D493/04C07H1/08C07H15/26C07J63/008C08B37/0003C08B37/0006C08H6/00C09B61/00D21C3/00
Inventor 李玉山
Owner 李玉山
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