title: Application of multidimensional gas chromatography to the enantioselective characterisation of the essential oil of Eupatorium buniifolium Hooker et Arnott.
abstract: The qualitative and quantitative composition of the essential oil from aerial parts of Eupatorium buniifolium Hooker et Arnott (Asteraceae) has been investigated for the first time. The essential oils were obtained by steam distillation of leaves and analysed by GC-MS; 44 components were identified. Monoterpene and sesquiterpene hydrocarbons, especially alpha-pinene (14.7%), beta-elemene (12.2%), germacrene D (11.5%), trans-beta-guaiene (6.5%) and (E)-caryophyllene (4.3%), were the major constituents found in the oils. The characterisation of E. buniifolium by enantioselective GC was performed by evaluation of the enantiomeric ratios of alpha-pinene, sabinene, beta-pinene, limonene, terpinen-4-ol and germacrene D.
authors.affiliation: Catedra de Farmacognosia y Productos Naturales, Facultad de Quimica, Universidad de la Republica, CP-11800 Montevideo, Uruguay.
authors.forename: Daniel
authors.initials: D
authors.lastname: Lorenzo
authors.forename: Daniel
authors.initials: D
authors.lastname: Paz
authors.forename: Philip
authors.initials: P
authors.lastname: Davies
authors.forename: José
authors.initials: J
authors.lastname: Villamil
authors.forename: Roser
authors.initials: R
authors.lastname: Vila
authors.forename: Salvador
authors.initials: S
authors.lastname: Cañigueral
authors.forename: Eduardo
authors.initials: E
authors.lastname: Dellacassa
mesh_terms: D002849:Chromatography, Gas / Q000379:methods*; D036602:Eupatorium / Q000737:chemistry*; D008401:Gas Chromatography-Mass Spectrometry; D009822:Oils, Volatile / Q000737:chemistry*; D013237:Stereoisomerism
chemical_list: D009822:Oils, Volatile