METHOD FOR EXTRACTING AND SEPARATING GINKGOLIDES

• 收藏
• 分享

专利权人:

CHENGDU BAIYU TECHNOLOGY PHARMACY CO.; LTD.

发明人:

SUN, YI,ZHU, YONGHONG,TONG, ZHENGBING,WANG, JIE

申请号：

EP12875595

公开号：

EP2842957A4

申请日:

2012.05.17

申请国别(地区):

EP

年份:

2015

代理人:

摘要：

A method for extracting and separating ginkgolides. The ginkgolides obtained through steps of extraction on a ginkgo leaf, further extraction, column chromatography, crystallization, and crystal mixing comprise 25.0% to 50.0% of bilobalide (C 15 H 18 O 8 ), 20.0% to 45.0% of ginkgolide A (C 20 H 24 O 9 ), 10.0% to 30.0% of ginkgolide B (C 20 H 24 O 10 ), and 5.0% to 15.0% of ginkgolide C (C 20 H 24 O 11 ). The total quantity of the bilobalide, the ginkgolide A, the ginkgolide B, and the ginkgolide C is over 95%.

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/