Total giamt St.John' swort Herb flavone extract, its preparing method and use

Abstract

The present invention features that the extract has total flavone content of 50-90 wt%, and the total flavone consists of rutin 5.0-15.0 wt%, hyperoside 8.0-25.0 wt%, isoquercitrin 10.0-30.0 wt%, quercetin 2.0-7.0 wt% and kaempferol swartziol 0.8-2.5 wt% except other flavone components. The extract may be used in preparing medicine for treating cardiac and cerebral vascular diseases.

Description

Technical field:

[0001] The invention relates to an extract of total flavonoids from Eclipta chinensis, a preparation method and application of the extract. Background technique:

[0002] According to literature reports, Eclipta is the dry aboveground part of Hypericum ascyron L, a plant of the genus Hypericum in the family Garcinia, and its functions and indications are calming the liver, cooling blood to stop bleeding, clearing away heat and detoxifying. It is used to treat bleeding, bruises, sores, furuncles, swelling and poisoning, etc., and it is recorded in the standards of traditional Chinese medicines in Jiangsu Province. Eclipta contains flavonoids such as rutin, hyperin, isoquercitrin, quercetin and kaempferol. The extraction method of flavonoids can be summarized as follows: first extract with water or alcohol, dissolve the extract after recovering the solvent in water, extract with chloroform, ethyl acetate, and n-butanol respectively, divide it into several ext...

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