title: HPLC-coupled spectroscopic techniques (UV, MS, NMR) for the structure elucidation of phthalides in Ligusticum chuanxiong.
abstract: Ligusticum chuanxiong Hort., a plant that is frequently used in traditional Chinese medicine, has been studied using HPLC-coupled spectroscopic techniques such as HPLC-UV, HPLC-MS as well as HPLC-NMR. With the aid of these modern spectroscopic techniques, the main constituents, namely senkyunolide A, butylphthalide, neocnidilide and Z-ligustilide, have been characterized and identified. Phthalide dimers, present in smaller amounts, have been identified by HPLC-UV and HPLC-MS analysis and compared with reference compounds. Stereochemical features of some phthalide monomers have been determined by detailed spectroscopic studies for the first time.
authors.affiliation: Institut für Chemie, Universität Hohenheim, Stuttgart, Germany.
authors.forename: S
authors.initials: S
authors.lastname: Zschocke
authors.forename: I
authors.initials: I
authors.lastname: Klaiber
authors.forename: R
authors.initials: R
authors.lastname: Bauer
authors.forename: B
authors.initials: B
authors.lastname: Vogler
mesh_terms: D002851:Chromatography, High Pressure Liquid / Q000379:methods; D008401:Gas Chromatography-Mass Spectrometry; D030004:Ligusticum / Q000737:chemistry*; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D008516:Medicine, Chinese Traditional; D008958:Models, Molecular; D010795:Phthalic Acids / Q000737:chemistry* / Q000302:isolation & purification; D010936:Plant Extracts / Q000737:chemistry* / Q000302:isolation & purification; D013056:Spectrophotometry, Ultraviolet
chemical_list: D010795:Phthalic Acids; D010936:Plant Extracts