发明申请
US20010043976A1 Ginkgo biloba flavonoid extract free of terpene and/or with a high flavonoid heteroside content
审中-公开
银杏叶黄酮提取物不含萜烯和/或具有高黄酮类杂苷含量
- 专利标题: Ginkgo biloba flavonoid extract free of terpene and/or with a high flavonoid heteroside content
- 专利标题(中): 银杏叶黄酮提取物不含萜烯和/或具有高黄酮类杂苷含量
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申请号: US09837519申请日: 2001-04-18
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公开(公告)号: US20010043976A1公开(公告)日: 2001-11-22
- 发明人: Joseph O'Reilly
- 申请人: SOCIETE DE CONSEILS DE RECHERCHES ET D'APPLICATIONS SCIENTIFIQUES (S.C.R.A.S.)
- 申请人地址: null
- 专利权人: SOCIETE DE CONSEILS DE RECHERCHES ET D'APPLICATIONS SCIENTIFIQUES (S.C.R.A.S.)
- 当前专利权人: SOCIETE DE CONSEILS DE RECHERCHES ET D'APPLICATIONS SCIENTIFIQUES (S.C.R.A.S.)
- 当前专利权人地址: null
- 优先权: GB9508533.8 19950427
- 主分类号: A23L001/22
- IPC分类号: A23L001/22
摘要:
A process for preparing a flavonoid extract from the leaves of ginkgo biloba comprising multiple distractions of the leaves of the ginkgo biloba with solvents wherein at least one of the extraction stages is a deterpenation step using a solvent of the formula RC(O)ORnull wherein R and Rnull are individually lower alkyl.
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