title: Bioactive saponins and glycosides. XXV. Acylated oleanane-type triterpene saponins from the seeds of tea plant (Camellia sinensis).
abstract: Seven new acylated oleanane-type triterpene oligoglycosides, theasaponins A(4) (1), A(5) (2), C(1) (3), E(8) (4), E(9) (5), G(1) (6), and H(1) (7), were isolated from the seeds of Japanese tea plant (Camellia sinensis). The structures of 1-7 were elucidated on the basis of chemical and physicochemical evidence.
authors.affiliation: Kyoto Pharmaceutical University, Misasagi, Yamashina-ku, Kyoto 607-8412, Japan. shoyaku@mb.kyoto-phu.ac.jp
authors.forename: Masayuki
authors.initials: M
authors.lastname: Yoshikawa
authors.forename: Toshio
authors.initials: T
authors.lastname: Morikawa
authors.forename: Seikou
authors.initials: S
authors.lastname: Nakamura
authors.forename: Ning
authors.initials: N
authors.lastname: Li
authors.forename: Xian
authors.initials: X
authors.lastname: Li
authors.forename: Hisashi
authors.initials: H
authors.lastname: Matsuda
mesh_terms: D000215:Acylation; D028241:Camellia sinensis / Q000737:chemistry* / Q000196:embryology; D006027:Glycosides / Q000032:analysis*; D009682:Magnetic Resonance Spectroscopy; D009828:Oleanolic Acid / Q000031:analogs & derivatives* / Q000737:chemistry; D012503:Saponins / Q000032:analysis*; D012639:Seeds / Q000737:chemistry*; D016339:Spectrometry, Mass, Fast Atom Bombardment; D014315:Triterpenes / Q000032:analysis*
chemical_list: D006027:Glycosides; D012503:Saponins; D014315:Triterpenes; C413246:oleanane; D009828:Oleanolic Acid