Bioorganic and Medicinal Chemistry Letters 2014-Dec
New 9,19-cycloartenol glycosides isolated from the roots of Cimicifuga simplex and their anti-inflammatory effects.
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Abstract
Two new cycloartenol triterpene saponins, 3β,16α-dihydroxy-12-acetoxy-16,22-cyclo-23-ketone-24R,25-epoxy-cycloartane-3-O-β-D-galactopyranoside (1), 3β,16α-dihydroxy-12-acetoxy-16,22-cyclo-23-ketone-24R,25-epoxy-cycloartane-7-ene-3-O-β-D-xylopyranoside (2), were isolated from the ethyl acetate soluble fraction of the roots of Cimicifuga simplex Wormsk. Their structures were established by detailed spectroscopic analysis, including extensive 2D NMR data. Their anti-proinflammatory activities were also carried out by LPS-stimulated IL-6, IL-23 and TNF-α genes expression in RAW cells in vitro using Q-PCR method.
