Five new triterpenoid saponins from the roots of Platycodon grandiflorum |
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| Authors: | Fu Wen-Wei Shimizu Noriko Dou De-Qiang Takeda Tadahiro Fu Rui Pei Yue-Hu Chen Ying-Jie |
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| Institution: | Shenyang Pharmaceutical University, School of Traditional Chinese Material Medica, Shenyang, China. |
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| Abstract: | Five new triterpenoid saponins, platycoside H 3-O-beta-D-glucopyranosyl-(1-->6)-beta-D-glucopyranosyl-2beta,3beta,16alpha,23-tetrahydroxyolean-12-en-28-oic acid 28-O-beta-D-xylopyranosyl-(1-->4)-alpha-L-rhamnopyranosyl-(1-->2)-alpha-L-arabinopyranoside], platycoside I 3-O-beta-D-glucopyranosyl-(1-->6)-beta-D-glucopyranosyl-(1-->6)-beta-D-glucopyranosyl-2beta,3beta,16alpha,23-tetrahydroxyolean-12-en-28-oic acid 28-O-beta-D-xylopyranosyl-(1-->4)-alpha-L-rhamnopyranosyl-(1-->2)-alpha-L-arabinopyranoside], platycoside J 3-O-beta-D-glucopyranosyl-2beta,3beta,16alpha,23-tetrahydroxyolean-12-en-28-oic acid 28-O-beta-D-xylopyranosyl-(1-->4)-alpha-L-rhamnopyranosyl-(1-->2)-alpha-L-arabinopyranoside], platycoside K 3-O-beta-D-glucopyranosyl-(1-->3)-beta-D-glucopyranosyl-2beta,3beta,16alpha,23,24-pentahydroxyolean-12-en-28-oic acid], and platycoside L 3-O-beta-D-glucopyranosyl-(1-->6)-beta-D-glucopyranosyl-2beta,3beta,16alpha,23,24-pentahydroxyolean-12-en-28 oic acid], and three known triterpenoid saponins, platycoside F, platycoside B, and platycoside C, were isolated from the roots of Platycodon grandiflorum A. DC. Their chemical structures were elucidated on the basis of their spectral data and chemical evidence. |
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