title: Two triterpene saponins from Achyranthes bidentata.
abstract: Bidentatoside II(1) and chikusetsusaponin V methyl ester (2) are two further triterpene saponins isolated from the roots of Achyranthes bidentata. Chemical and homo and heteronuclear two-dimensional (2D) NMR techniques have led to the structural elucidation of 1 which is a new seco-glycoside of oleanolic acid and the full 1H- and 13C-NMR assignments of 2. These compounds did not show any potentiation of the in vitro cytotoxicity of cisplatin in the HT 29 human colon cancer cell line.
authors.affiliation: Laboratoire de Pharmacognosie, Unité MIB, Faculté de Pharmacie, Université de Bourgogne, Dijon, France.
authors.forename: A C
authors.initials: AC
authors.lastname: Mitaine-Offer
authors.forename: A
authors.initials: A
authors.lastname: Marouf
authors.forename: B
authors.initials: B
authors.lastname: Hanquet
authors.forename: N
authors.initials: N
authors.lastname: Birlirakis
authors.forename: M A
authors.initials: MA
authors.lastname: Lacaille-Dubois
mesh_terms: D029044:Achyranthes / Q000737:chemistry*; D000972:Antineoplastic Agents, Phytogenic / Q000737:chemistry / Q000302:isolation & purification / Q000494:pharmacology; D019073:HT29 Cells / Q000187:drug effects; D006801:Humans; D010936:Plant Extracts / Q000737:chemistry / Q000302:isolation & purification; D018517:Plant Roots / Q000737:chemistry; D012503:Saponins / Q000737:chemistry* / Q000302:isolation & purification / Q000494:pharmacology; D014315:Triterpenes / Q000737:chemistry* / Q000302:isolation & purification / Q000494:pharmacology
chemical_list: D000972:Antineoplastic Agents, Phytogenic; D010936:Plant Extracts; D012503:Saponins; D014315:Triterpenes; C433584:bidentatoside I