Notoginsenoside pharmaceutical composition and method for preparing the same and use thereof

A technique for aescin and composition, which is applied to the pharmaceutical composition of aescin and the field of preparation thereof, can solve problems such as complicated preparation process, and achieve the effects of simple production process, reduced processing procedures, and excellent synergistic effect.

Active Publication Date: 2008-03-05
WUHAN AIMIN PHARMA
View PDF6 Cites 20 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In May 2005, our factory submitted a patent application for lysine aescin to the State Intellectual Property Office (the application number is 2005101055854), which disclosed that lysine aescin compared with sodium aescin, has Better anti-inflammatory, anti-exudation and blood circulation improvement activities, and can effectively reduce the irritation of aescin on blood vessels and muscles, improve the safety and therapeutic index of the drug, but its preparation process is relatively complicated

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

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Notoginsenoside pharmaceutical composition and method for preparing the same and use thereof
  • Notoginsenoside pharmaceutical composition and method for preparing the same and use thereof
  • Notoginsenoside pharmaceutical composition and method for preparing the same and use thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] Example 1 Preparation of Potassium and Sodium Aescin Mixed Salts by Cholesterol Precipitation

[0053] Use 5 times of the amount of 5 times the amount of ethanol solution with a concentration of 50v / v%-70v / v% to stir and extract for 4 hours each time, collect and combine the extracts, recover ethanol in a vacuum to 1 / 5 of the volume of the extract, and use Determine the content of β-escin in the extract concentrate by high-performance liquid chromatography, then add cholesterol under stirring conditions with the mass ratio of β-escin and cholesterol as 1:1.2, stir for 2 hours after the addition, and place Overnight, collect the cholesterol precipitate by centrifugation the next day, wash it with water until it is colorless, dry it at 60°C, and treat it with chloroform or toluene to dissolve the cholesterol into the solvent, while the salt of aescin (sodium, potassium salt) still exists in solid form , recrystallized twice with 90%-95% ethanol to obtain white aescin sal...

Embodiment 2

[0054] Example 2 Preparation of β-escin and isoescin

[0055] 1. Cholesterol precipitation method

[0056] Sala seed fine powder, use 5 times the amount of dilute ethanol with a concentration of 50v / v% to 70v / v% to stir and extract three times, each time for 4 hours, collect and combine the extracts, recover ethanol in a vacuum to 1 / 5 of the volume of the extract, Measure the content of β-escin in the extract concentrate by high-performance liquid chromatography, then add the cholesterol under the stirring condition with the mass ratio of β-escin and cholesterol as 1: 1.2, and stir for 2 hours after adding. Leave it overnight, and collect the cholesterol precipitate by centrifugation the next day, wash it with water until it is colorless, dry it at 60°C, and treat the precipitate with chloroform or toluene after drying to dissolve the cholesterol in the solvent, and the salt of aescin (sodium, potassium salt) still exists in solid form. After wiping away the residual solve...

Embodiment 3

[0070] Example 3 Preparation of High Purity Sodium Aescinate

[0071] 1. Aescin salt (potassium, sodium salt) with a purity of 98.5% is dissolved in distilled water to obtain an aqueous solution with a concentration of about 2%. The aqueous solution passes through a hydrogen-type cation exchange column, and the weight ratio of aescin salt to resin is about 0.8-1.2: 1.2-0.8, to obtain a solution with a pH of about 2.0-2.8, and place it in a cold place or refrigerated place to precipitate crystals. Redissolve the crystals in 95v / v% ethanol, add an equivalent amount of sodium hydroxide ethanol solution, place in a cold place or refrigerated to precipitate crystals, and obtain sodium aescinate crystals with a purity of 99.0%.

[0072] 2. Dissolve aescin salt (potassium, sodium salt) with a purity of 97.5% in distilled water to obtain an aqueous solution with a concentration of about 2%, add 2 mol of sulfuric acid or hydrochloric acid, adjust the pH of the solution to 1-3, and pl...

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 present invention relates to medicine composition of aescin and its preparation process and use. The aescin with purity over 90 % may be compounded with medicine carrier to form medicine composition with high synergistic effect, obviously reduced irritation on blood vessel and muscle, obviously raised medicinal effects of resisting inflammation, resisting exudation, improving blood circulation, etc. The medicine composition has low irritation, high safety, high therapeutic index and other features.

Description

technical field [0001] The invention belongs to the field of medicaments, and in particular relates to a escin pharmaceutical composition, a preparation method and an application thereof. Background technique [0002] Aescin, also known as aescinic acid, is a general term for total saponins, β-aescin or isoescin, which are extracted from the seeds of Aesculus in the family Aesculus. At present, total aescin sodium (Totalescin) sodium is mostly used clinically, mainly containing 4 main components. According to the national standard of my country, it is named as aescin A (that is, escin I in Japan) according to the peak sequence of liquid chromatography. a ), aescin B (escin I b ), Aescin C (isoescin I a ) and aescin D (isoescin I a ). Aescin A and B are β-type aescins, their structure is basically the same, but with C 21 -Hydroxyl ester-forming organic acids are different, which are crotonoleic acid or angelic acid, which are anti-isomers of each other, so aescin A and ...

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): A61K31/704A61P29/00A61P9/00A61P17/02
Inventor 李信炯林范天张丽新马全发冯宇赵云霞
Owner WUHAN AIMIN PHARMA
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
Try Eureka
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap