The structure of jujubosides A and B,the saponins isolated from the seeds of Zizyphus jujuba |
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| Authors: | Hideaki Otsuka Toshiyuki Akiyama Ken-Ichi Kawai Shoji Shibata Osamu Inoue Yukio Ogihara |
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| Institution: | 1. Faculty of Pharmaceutical Sciences, University of Tokyo, Bunkyo-ku Tokyo, Japan;2. Faculty of Pharmaceutical Sciences, Nagoya City University, Mizuho-ku, Nagoya, Japan |
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| Abstract: | Stepwise chemical and enzymatic hydrolyses of jujubosides A and B, the saponins of the seeds of Zizyphus jujuba, afforded prosapogenins I, II and III. The sequence and configuration of the sugar linkages in the saponins and the pro-sapogenins were determined from the PMR data and the application of Klyne's rule of molecular rotations and structures were assigned to jujubosides A and B. |
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| Keywords: | Rhamnaceae jujuboside A jujuboside B |
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