title: A new steroidal glycoside from Corypha taliera Roxb., a globally endangered species.
abstract: A new steroidal glycoside, β-sitosterol-3-O-α-L-rhamnopyranosyl-(1→4)-β-D-xylopyranosyl-(1→4)-β-D-glucopyranosyl-(1→4)-β-D-glucopyranoside was isolated from the methanol extract of the pericarp of Corypha taliera Roxb. The reversed-phased HPLC analysis of the methanol extract of the pericarp of C. taliera Roxb. (Talipalm), a rare species of Arecaceae family, afforded a new steroidal glycoside, β-sitosterol-3-O-α-L-rhamnopyranosyl-(1→4)-β-D-xylopyranosyl-(1→4)-β-D-glucopyranosyl-(1→4)-β-D-glucopyranoside (1). The structure of the compound was elucidated unequivocally by UV, IR, HR-ESI-MS, (1)H and (13)C NMR spectroscopic studies.
authors.affiliation: a Department of Chemistry , University of Dhaka , Dhaka 1000 , Bangladesh.
authors.forename: Mohammad
authors.initials: M
authors.lastname: Shoeb
authors.affiliation: b Department of Botany , University of Dhaka , Dhaka 1000 , Bangladesh.
authors.forename: Moniruzzaman
authors.initials: M
authors.lastname: Khondker
authors.affiliation: a Department of Chemistry , University of Dhaka , Dhaka 1000 , Bangladesh.
authors.forename: Nilufar
authors.initials: N
authors.lastname: Nahar
mesh_terms: D028023:Arecaceae / Q000737:chemistry*; D002851:Chromatography, High Pressure Liquid; D056727:Endangered Species; D005638:Fruit / Q000737:chemistry; D005960:Glucosides; D006027:Glycosides / Q000737:chemistry*; D009682:Magnetic Resonance Spectroscopy; D012855:Sitosterols / Q000737:chemistry*; D021241:Spectrometry, Mass, Electrospray Ionization; D013055:Spectrophotometry, Infrared; D013056:Spectrophotometry, Ultraviolet
chemical_list: D005960:Glucosides; D006027:Glycosides; D012855:Sitosterols; C000609294:beta-sitosterol-3-O-alpha-L-rhamnopyranosyl-(1-4)-beta-D-xylopyranosyl-(1-4)-beta-D-glucopyranosyl-(1-4)-beta-D-glucopyranoside
keywords: Corypha taliera; HPLC; glucoside; rhamnose; steroid; β-sitosterol