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Lanostane-type triterpenoids from the fruiting bodies of Ganoderma applanatum
XingRong Peng1, Lei Li2, JinRun Dong2
1State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Science, China.
Abstract:
Twelve previously undescribed lanostane-type triterpenoids, including three triterpenoids with a γ-lactone ring, namely applanlactones A‒C, four highly oxygenated lanostane triterpenoids, namely methyl applaniate A and applanoic acids B‒D, as well as five C21 nortriterpenoids, applanones A‒E were isolated from the fruiting bodies of Ganoderma applanatum (Pers.) Pat.. Their structures were elucidated by 1D, 2D NMR and MS spectra, as well as X-ray crystallographic analyses. Meanwhile, applanlactone A, methyl applaniate A and applanoic acid B showed inhibitory effects for the proliferation of hepatic stellate cells (HSCs) induced by transforming growth factor-β1 (TGF-β1) in vitro.
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