title: Suppression of linalool acetate production in Lavandula x intermedia.
abstract: Linalool acetate, one of the major constituent of several essential oils, is heat-labile and decomposes upon exposure to the high injector temperature during gas chromatography. Here we report the development of an improved method for detection of this compound by gas chromatography mass spectrometry (GCMS) using cold on-column injection of the sample. By using this sensitive method, it has been demonstrated that a lavandin (L. x intermedia) mutant accumulates trace quantities of linalool acetate and camphor and higher amounts of cineole and borneol compared to its parent. This plant, which very likely carries a point mutation in one or more of the genes involved in essential oil production, provides a unique tool for investigating regulation of essential oil biogenesis in plants.
authors.affiliation: University of British Columbia Okanagan, Kelowna, British Columbia, Canada.
authors.forename: Amy
authors.initials: A
authors.lastname: Desautels
authors.forename: Kamal
authors.initials: K
authors.lastname: Biswas
authors.forename: Alexander
authors.initials: A
authors.lastname: Lane
authors.forename: Astrid
authors.initials: A
authors.lastname: Boeckelmann
authors.forename: Soheil S
authors.initials: SS
authors.lastname: Mahmoud
mesh_terms: D000080462:Acyclic Monoterpenes; D001892:Camphanes / Q000737:chemistry / Q000378:metabolism; D003511:Cyclohexanols / Q000737:chemistry / Q000378:metabolism; D000077591:Eucalyptol; D008401:Gas Chromatography-Mass Spectrometry; D007306:Insecticides / Q000378:metabolism*; D027523:Lavandula / Q000235:genetics / Q000378:metabolism*; D039821:Monoterpenes / Q000737:chemistry / Q000378:metabolism*; D009154:Mutation; D009822:Oils, Volatile / Q000737:chemistry; D012015:Reference Standards
chemical_list: D000080462:Acyclic Monoterpenes; D001892:Camphanes; D003511:Cyclohexanols; D007306:Insecticides; D039821:Monoterpenes; D009822:Oils, Volatile; C018584:linalool; C022871:isoborneol; D000077591:Eucalyptol