title: Iridoid glucosides from roots of Vietnamese Paederia scandens.
abstract: Four iridoid glucosides, three of which are dimeric were isolated from the methanol extract of roots of Vietnamese Paederia scandens (Lour) Merrill together with the five known glucosides, paederoside, asperuloside, paederosidic acid, asperulosidic acid and geniposide. Seven sulfur-containing iridoid glucosides were also isolated. The structures of the iridoid glucosides were determined by a combination of high-resolution NMR, MS, IR and UV spectra, and chemical reaction such as acetylation.
authors.affiliation: Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima 770-8514, Japan.
authors.forename: Dang Ngoc
authors.initials: DN
authors.lastname: Quang
authors.forename: Toshihiro
authors.initials: T
authors.lastname: Hashimoto
authors.forename: Masami
authors.initials: M
authors.lastname: Tanaka
authors.forename: Nguyen Xuan
authors.initials: NX
authors.lastname: Dung
authors.forename: Yoshinori
authors.initials: Y
authors.lastname: Asakawa
mesh_terms: D000107:Acetylation; D039823:Iridoids / Q000032:analysis* / Q000737:chemistry*; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D015394:Molecular Structure; D018517:Plant Roots / Q000737:chemistry*; D019666:Rubiaceae / Q000737:chemistry*; D013055:Spectrophotometry, Infrared; D013056:Spectrophotometry, Ultraviolet; D014744:Vietnam
chemical_list: D039823:Iridoids