Eureka AIR delivers breakthrough ideas for toughest innovation challenges, trusted by R&D personnel around the world.

Method for preparing icariin

A technology of icariin and epimedium, which is applied in the field of preparing high-purity icariin by combining macroporous resin and polyamide, can solve the problems of unsatisfactory adsorption effect and achieve good impurity removal effect and high purity Effect

Inactive Publication Date: 2010-08-25
苏州宝泽堂医药科技有限公司
View PDF4 Cites 24 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the adsorption effect of this type of resin in the low alcohol state is not ideal

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

Embodiment 2

Embodiment 3

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a method for preparing icariin, which comprises the following process steps: ethanol extraction, concentration, low-alcohol macroporous resin enrichment, polyamide separation and purification, and recrystalization. When the method is used for producing the icariin, the process is simple, the product yield is high, and the product purity is high. The process is also suitable for producing icariin of different content levels; and the product prepared by the process meets food and medical requirements.

Description

A kind of method for preparing icariin Technical field: The invention relates to a method for preparing icariin, in particular to a process for preparing high-purity icariin by combining macroporous resin and polyamide. Background technique: Epimedium is also called Epimedium arrow leaf, Epimedium heart leaf, fairy spleen, fairy api, scorpion grass, abandoned stick grass, three-branch nine-leaf grass, actinium silk grass, lung meridian grass, trigeminal, triangular Lotus, three-pointed wind, sheep's horn wind, ox horn flower, iron water chestnut, iron pestle, Coptis chinensis, dried chicken tendon, thousand taels of gold, etc. It is the stem and leaf of the Berberidaceae plant Epimedium, Epimedium cordifolia or Epimedium sagitta. Traditional Chinese medicine believes that Epimedium is sweet and warm in nature and taste, and has the effects of nourishing kidney and strengthening yang, and expelling wind and dampness. Epimedium stems and leaves contain icariin and volatile...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C07H17/07C07H1/08
Inventor 刘东锋张翼杨成东
Owner 苏州宝泽堂医药科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com