title: [Study on chemical constituents from seed of Oroxylum indicum].
abstract: Oroxylum indicum was a traditional Chinese medicine. In order to study the chemical constituents from the seed of O. indicum, the chemical constituents of 80% methanol extract of seeds of O. indicum were subjected to chromatography on silica gel, Sephadex LH-20, and preparative HPLC, leading to the isolation of eleven compounds. The structures were identified by various spectroscopic data including ESI-MS, 1H-NMR and 13C-NMR data as oroxin B (1), chrysin (2), baicalein (3), neglectein (4), quercetin-3-O-β-D-galactopy ranoside (5), quercetin-7-O-β-D-glucopyranoside (6), 2α,3β-dihydroxylluPeol (7), lupeol (8), rengyol (9), β-sitostero (10), and stigmasterol (11). Among them, compound 5 were firstly obtained from O. indicum.
authors.forename: Xiang-yu
authors.initials: XY
authors.lastname: Zhai
authors.forename: Wei
authors.initials: W
authors.lastname: Xiao
authors.forename: Biao
authors.initials: B
authors.lastname: Yang
authors.forename: Zhao-qing
authors.initials: ZQ
authors.lastname: Meng
authors.forename: Zhen-zhong
authors.initials: ZZ
authors.lastname: Wang
authors.forename: Wen-zhe
authors.initials: WZ
authors.lastname: Huang
authors.forename: Kai-jin
authors.initials: KJ
authors.lastname: Wang
mesh_terms: D029402:Bignoniaceae / Q000737:chemistry*; D009682:Magnetic Resonance Spectroscopy; D012639:Seeds / Q000737:chemistry