title: Coexistence of chrysanthenone, filifolone and (Z)-isogeranic acid in hydrodistillates. Artefacts!
abstract: Hydrodistilled oil from leaves of the Ethiopian plant Laggera tomentosa has been shown to contain (-)-chrysanthenone (5%), (-)/(+)-filifolone (92:8; 8%) and (Z)-isogeranic acid (8%)-all likely to be artefacts. The main constituent of the oil, (+)-chrysanthenone (53%), is believed to be the precursor undergoing thermal and solvolytic reactions during the hydrodistillation process.
authors.affiliation: School of Pharmacy, University of Oslo, PO Box 1068, Blindern, N-0316 Oslo, Norway.
authors.forename: N
authors.initials: N
authors.lastname: Asfaw
authors.forename: H J
authors.initials: HJ
authors.lastname: Storesund
authors.forename: L
authors.initials: L
authors.lastname: Skattebøl
authors.forename: A J
authors.initials: AJ
authors.lastname: Aasen
mesh_terms: D019659:Asteraceae / Q000737:chemistry; D001880:Boranes; D002849:Chromatography, Gas; D009822:Oils, Volatile / Q000302:isolation & purification*; D010936:Plant Extracts / Q000032:analysis / Q000302:isolation & purification*
chemical_list: D001880:Boranes; D009822:Oils, Volatile; D010936:Plant Extracts; C441666:filifolone; C441665:isogeranic acid; C441667:chrysanthenone