Isolation and identification of chemical constituents from stems of Smilax glabra Roxb.

Objective To study the chemical constituents of the stems of Smilax glabra Roxb.Methods Compounds were isolated by the silica gel,macroporous resin,polyamide,ODS and Sephadex LH-20 columns,and their structures were identified on the basis of the physicochemical characters and the spectral analysis.Results Nine compounds were obtained and identified as β-sitosterol palmitate(1),β-sitosterol(2),daucosterol(3),1-O-hexadecanoyl-3-O-β-D-galactopyranosyl-glycerol(4),astilbin(5),quercetin(6),taxifolin(7),quercetin-4′-O-β-D-pyranglucoside(8),isoastilbin(9).Conclusions Compounds 1 and 4 are obtained from Smilax L.for the first time,Compound 8 is isolated from this plant for the first time.