title: Simenoside A, a new triterpenoid saponin from Gypsophila simonii Hub.-Mor.
abstract: Saponins are amphiphilic glycoconjugates which give soap-like foams in H2 O. A new triterpenoid saponin, simenoside A (1), based on gypsogenin aglycone, and the known saponin 2 were isolated from Gypsophila simonii Hub.-Mor. The structure of the new saponin was elucidated as 3-O-β-D-galactopyranosyl-(1→2)-[β-D-xylopyranosyl-(1→3)]-β-D-glucuronopyranosylgypsogenin 28-O-β-D-glucopyranosyl-(1→3)-[β-D-glucopyranosyl-(1→2)-β-D-xylopyranosyl-(1→4)]-α-L-rhamnopyranosyl-(1→2)-β-D-fucopyranosyl ester on the basis of extensive spectral analyses and chemical evidence. Saponins 1 and 2 were isolated from G. simonii for the first time.
authors.affiliation: Pamukkale University, Faculty of Technology, Biomedical Engineering, TR-20017 Denizli, (phone: +90-258-2963026; fax: +90-258-2963263). idris.arslan@yahoo.com.
authors.forename: Idris
authors.initials: I
authors.lastname: Arslan
mesh_terms: D029748:Caryophyllaceae / Q000737:chemistry* / Q000378:metabolism; D009682:Magnetic Resonance Spectroscopy; D008968:Molecular Conformation; D018517:Plant Roots / Q000737:chemistry / Q000378:metabolism; D012503:Saponins / Q000737:chemistry* / Q000302:isolation & purification; D014315:Triterpenes / Q000737:chemistry
chemical_list: D012503:Saponins; D014315:Triterpenes
keywords: Gypsogenin; Gypsophila simonii; Saponins; Simenoside A; Triterpenoids