title: [Isolation and structure elucidation of cirensenosides O and P from the leaves of Oplopanax elatus Nakai].
abstract: Two new triterpenoid saponins were isolated from the leaves of Oplopanax elatus Nakai. By measuring physical and chemical constants and spectral data, their structures were elucidated as 3-epi-oleanolic acid 28-O-alpha-L-rhamnopyranosyl (1-->4)-beta-D- glucopyranosyl (1-->6)-beta-D-glucopyranoside; 3-O-beta-D-glucopyranosyl betulinic acid 28-O-beta-D-glucopyranosyl (1-->6)-beta-D-glucopyranoside and named as cirensenosides O and P, respectively.
authors.affiliation: Norman Bethune University of Medical Sciences, Changchun.
authors.forename: G S
authors.initials: GS
authors.lastname: Wang
authors.forename: Y P
authors.initials: YP
authors.lastname: Chen
authors.forename: J D
authors.initials: JD
authors.lastname: Xu
authors.forename: T
authors.initials: T
authors.lastname: Murayama
authors.forename: J
authors.initials: J
authors.lastname: Shoji
mesh_terms: D019684:Magnoliopsida / Q000737:chemistry; D015394:Molecular Structure; D018515:Plant Leaves / Q000737:chemistry; D010946:Plants, Medicinal / Q000737:chemistry*; D012503:Saponins; D014315:Triterpenes / Q000737:chemistry / Q000302:isolation & purification*; D000094062:Betulinic Acid
chemical_list: D012503:Saponins; D014315:Triterpenes; C117214:cirensenoside O; C117215:cirensenoside P; D000094062:Betulinic Acid