Anti-hyperlipidemic constituents from the bark of Shorea roxburghii
Journal of natural medicines(2012)
摘要
The methanol extract from the bark of Shorea roxburghii (Dipterocarpaceae, “Phayom” in Thai) was found to suppress plasma triglyceride elevation in olive oil-treated mice, and also to inhibit pancreatic lipase activity (IC 50 = 31.6 μg/ml). From the extract, two new 3-acetyl-4-phenyl-3,4-dihydroisocoumarins, phayomphenols A 1 ( 1 ) and A 2 ( 2 ) were isolated, together with 22 known compounds. The structures of 1 and 2 were elucidated on the basis of chemical and spectroscopic evidence, including X-ray crystallographic analysis. Among the isolates, several oligostilbenoids, including (−)-hopeaphenol ( 3 ) and (+)-isohopeaphenol ( 4 ), showed inhibitory effects on plasma triglyceride elevation at a dose of 200 mg/kg p.o. and pancreatic lipase inhibitory activity (IC 50 = 32.9 and 26.5 μM, respectively).
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关键词
Shorea roxburghii,Dipterocarpaceae,Oligostilbenoid,Anti-hyperlipidemic activity,Pancreatic lipase inhibitor,Phayomphenol
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