Abstract
Two new ursane-type triterpenoid saponins, bodiniosides M (1) and N (2), along with three known saponins, oblonganosides I (3), pseudobuxussaponin B (4) and bodinioside A (5), were isolated from the aerial parts of Elsholtzia bodinieri. The structures of compounds 1 and 2 were characterized by spectroscopic data as well as acid hydrolysis and GC analysis as 3-O-β-D-xylopyranosyl-19α-hydroxy-23-acetoxy-urs-12(13)-en-28-oic acid 28-O-α-L-rhamnopyranosyl-(1-2)-β-D-glucopyranoside and 3-O-β-D-glucopyranosyl-2α,19α-dihydroxy-urs-12(13)-en-28,20β-lactone. Compounds 1 and 5 exhibited potent anti-HCV activities in vitro with a selective index of 6.53 and 4.41, respectively.
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