Triterpene and flavanone glycoside from Rhododendron simsii |
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| Authors: | Takahashi H Hirata S Minami H Fukuyama Y |
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| Affiliation: | Institute of Pharmacognosy, Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Japan. |
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| Abstract: | Antioxidative substances were isolated from the leaves of Rhododendron simsii. These were a triterpene and flavanone glycoside, together with the known matteucinol and two known benzoic acid derivatives. Their structures were characterized as 19,24-dihydroxyurs-12-en-3-one-28-oic acid and 7-O-beta-D-apiofuranosyl-(1-->6)-beta-D-glucopyranosylmatteucinol by spectroscopic analysis. |
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