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Bolbostemma paniculatum (Maxim.) Franquet (B. paniculatum), also named “Tu-bei-mu” in Chinese folk medicines, has been described in application for the treatment of tumors, warts, inflammation and toxication in traditional Chinese medicinal books. The major constituents in B. paniculatum are triterpenoid saponins, which have been proved to possess dramatically cytotoxic activity and antivirus activity...
Two new cyclic bisdesmosides elucidated as lobatoside L (1) and lobatoside M (2) and four known cyclic bisdesmosides (3–6) were isolated from Actinostemma lobatum MAXIM (Cucurbitaceae). Their structures were determined on the basis of spectroscopic analyses including IR, HR-FAB-MS, TOCSY, 1D- and 2D-NMR experiments and chemical reactions. The inhibitory effects of the six compounds on human cancer...
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