title: TLC and HPLC characteristics of desacetylmatricarin, leucodin, achillin and their 8alpha-angeloxy-derivatives.
abstract: Five guaianolides, including two pairs of isomers, from a Hungarian taxon of the Achillea millefolium group were characterized analytically. Different chromatographic systems on TLC and HPLC were developed for the analysis of these compounds. TLC of leucodin, 8alpha-angeloxy-leucodin, achillin, 8alpha-angeloxy-achillin and desacetylmatricarin was performed on silica gel using dichloromethaneacetone and cyclohexane-ethylacetate mixtures as mobile phases. HPLC on stationary phases as LiChrospher RP2, LiChrospher RP8, LiChrospher RP18e, Hypersil BDS C18 and Aquasil C18 required isocratic and gradient systems with different methanol-water mixtures as mobile phases. The presented RF values and retention times allow the identification of the respective 2-oxo-guaianolides which are marker substances for certain non-proazulene containing species. Their TLC and HPLC fingerprints are compared to those of proazulene containing species and are relevant for quality control.
authors.affiliation: Institute of Pharmacognosy, University of Vienna, PharmaCenter, Vienna, Austria. sabine.glasl@univie.ac.at
authors.forename: S
authors.initials: S
authors.lastname: Glasl
authors.forename: P
authors.initials: P
authors.lastname: Mucaji
authors.forename: I
authors.initials: I
authors.lastname: Werner
authors.forename: J
authors.initials: J
authors.lastname: Jurenitsch
mesh_terms: D031162:Achillea / Q000737:chemistry*; D002851:Chromatography, High Pressure Liquid; D002855:Chromatography, Thin Layer; D007783:Lactones / Q000032:analysis*; D008970:Molecular Weight; D011786:Quality Control; D012717:Sesquiterpenes / Q000032:analysis*; D013050:Spectrometry, Fluorescence; D013056:Spectrophotometry, Ultraviolet
chemical_list: D007783:Lactones; D012717:Sesquiterpenes; C089156:hydroxyachillin; C476809:leucodin; C476810:achillin