Xian-Hua Meng

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"Shengdeng" is its Tibetan transliteration referring to many medicines. Tibetan doctors and pharmacists in different areas use different drugs in formulation and clinical application, which are easily confused. In order to grasp the formula and clinical application accurately, we conduct a literature survey on history and current state of botanical origin(More)
Three new clerodane diterpenoid glycosides with L-arabinose (1-3), together with ten known compounds including phytol-type diterpenes, cycloartane-type, ursane-type, and oleanane-type triterpenes, were isolated from the aerial parts of Nannoglottis carpesioides which a Chinese endemic genus. The structures of the new compounds 1-3 were identified based on(More)
Jiaogulan (Gynostemma pentaphyllum) has been widely used as a herbal tea, dietary supplement, and vegetable in Asian countries. In this study, six new gypenosides (1-6) were isolated from the aerial parts of G. pentaphyllum. Their molecular structures were elucidated through spectroscopic analysis and acid hydrolysis. Gypenosides 1 and 2 represented the(More)
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