您的位置: 首页 > 农业专利 > 详情页

תהליך להסרת קוטלי מזיקים מתמציות גינקגו דו–אונתי ותמציות המתקבלות באמצעות תהליך זה
专利权人:
INDENA S.P.A.
发明人:
申请号:
IL21554611
公开号:
IL215546A
申请日:
2011.10.05
申请国别(地区):
IL
年份:
2015
代理人:
摘要:
Process for removing pesticides from Ginkgo biloba extracts, which involves submitting an extract obtained by conventional methods to the following steps: a. Liquid-liquid extraction of the extract to obtain a medium polarity fraction containing ginkgo terpenes and pesticides not removable with hexane, and a high polarity fraction containing ginkgo flavone glycosides; b. crystallisation from the medium polarity fraction obtained at step a) to give an intermediate with a ginkgolide content of not less than 50%; c. crystallisation from the residual solution obtained at step b) to give an intermediate with a bilobalide content of not less than 50%; d. mixing of the high polarity fraction obtained at step a) with the ginkgo terpene intermediate and the bilobalide intermediate obtained at steps b) and c).
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

意 见 箱

匿名:登录

个人用户登录

找回密码

第三方账号登录

忘记密码

个人用户注册

必须为有效邮箱
6~16位数字与字母组合
6~16位数字与字母组合
请输入正确的手机号码

信息补充