Studies on Triterpenoid Glycosides from Rhizomes of Panacis majoris and Their Antiplatelet Aggregation Activity |
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Authors: | LI Min JIN Yongri WANG Xiaozhong WU Qian LIU Ying LI Peng LI Xuwen |
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Institution: | College of Chemistry, Jilin University, Changchun 130021, P. R. China |
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Abstract: | A new triterpenoid glycoside(1) and seven known triterpenoid glycosides, pseudoginsenoside RT2(2), yesanchinoside R2(3), vinaginsenoside R13(4), vinaginsenoside R8(5), notoginsenoside E(6), 6'-O-acetylginsenoside Re(7), 6"-O-acetylginsenoside Rb1(8), were isolated from the rhizomes of Panacis majoris. The new triterpenoid glycoside was elucidated as 3-O-β-D-glucopyranosyl-(1→2)-β-D-(6'-O-ethyl)-glucuronopyranosyl]-oleanolic acid-28-O-β-D-glucopyranoside by extensive spectroscopic and phytochemical methods. Compounds 2-8 were obtained from the plant for the first time. Compounds 3 and 4 displayed good activities against adenosine diphosphate (ADP)-induced platelet aggregation, and compounds 1, 5, 6 and 8 showed moderate activities. Compound 6 exhibited moderate antiplatelet aggregation activity induced by arachidonic acid(AA). |
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Keywords: | Panacis majoris Rhizome Triterpenoid glycoside Antiplatelet aggregation |
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