Planta Medica, Inhaltsverzeichnis Planta Med 1991; 57(5): 471-474DOI: 10.1055/s-2006-960154 Papers © Georg Thieme Verlag Stuttgart · New York Neue Triterpensaponine aus Helianthus annuus New Triterpenoid Saponins from Helianthus annuus Gerd Bader1 , Maureen Zieschang1 , Kathrin Wagner1 , Egon Gründemann2 , Karl Hiller1 1Fachbereich Pharmazie, Humboldt-Universität zu Berlin, Goethestr. 54, 0-1120 Berlin, Federal Republic of Germany 2Institut für Organische Chemie, Rudower Chaussee 5, 0-1199 Berlin, Federal Republic of Germany Artikel empfehlen Abstract als PDF herunterladen Artikel einzeln kaufen Abstract Three new bisdesmosidic triterpenoid saponins, helianthoside 1 (1), 2 (2), and 3 (3), were isolated from the flowers of Helianthus annuus L. and a new monodesmoside 4 was isolated after the cleavage of the ester-glycosidic linkages of 2 and 3. The structures of the compounds were elucidated by 13C-NMR, FAB-MS, GC/EI-MS of partially methylated alditol acetates and degradation methods. Key words Helianthus annuus - Asteraceae - triterpenoid saponins - helianthoside 1, 2, and 3 PDF (323 kb)