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钻地风的三萜类成分

ZUO Guo-Ying,LIU Shu-Ling,XU Gui-Li,WANG Gen-Chun,ZHANG Yun-Ling,ZHENG Dan

Acta Botanica Yunnanica（2008）

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Abstract
从钻地风根的乙醇提取物中分离得到12个三萜及三萜皂苷类化合物,通过波谱分析并与有关对照品比较,其结构鉴定为熊果酸(1),坡模酸(2),tormentic acid(3),蔷薇酸(4),sericic acid(5),23-hydroxytormentic acid(6),kaji-ichigoside F1(7),野蔷薇苷(8),sericoside(9),quadranoside Ⅷ (10),crataegio-side(11)和niga-ichigoside F1(12)。初步研究结果表明,这些化合物在体外5mg/ml浓度下对耐药金黄色葡萄球菌(MRSA)无抑制作用。
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Key words
Rubus obcordatus,Triterpenoid,Quadranoside VIII
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