title: Three series of high molecular weight alkanoates found in Amazonian plants.
abstract: Electron impact mass spectra were measured by high temperature high resolution gas chromatography-mass spectrometry (HT-HRGC-MS) for three homologous series of high molecular weight compounds present in the Amazonian plants Marupá (Simaruba amara) and Brazil nut (Bertholettia excelsa). Based on their mass spectra, the compounds were identified as three wax ester series of alpha-tocopherol (vitamin E), beta-tocopherol and phytol (2,6,10,14-tetramethylhexadec-14-en-16-ol). The interpretations are supported by high resolution mass spectrometry and GC retention indices of authentic standards.
authors.affiliation: LADETEC, Instituto de Qui;mica, Universidade Federal do Rio de Janeiro, Ilha do Fundão, Centro de Tecnologia, Bloco A, Sala 607, 21949-900, Brazil.
authors.forename: Alberto S
authors.initials: AS
authors.lastname: Pereira
authors.forename: Denilson S
authors.initials: DS
authors.lastname: Siqueira
authors.forename: Vladimir O
authors.initials: VO
authors.lastname: Elias
authors.forename: Bernd R T
authors.initials: BR
authors.lastname: Simoneit
authors.forename: José A
authors.initials: JA
authors.lastname: Cabral
authors.forename: Francisco R
authors.initials: FR
authors.lastname: Aquino Neto
mesh_terms: D000473:Alkanes / Q000737:chemistry / Q000302:isolation & purification*; D001938:Brazil; D008401:Gas Chromatography-Mass Spectrometry; D009682:Magnetic Resonance Spectroscopy; D008970:Molecular Weight; D010944:Plants / Q000737:chemistry*
chemical_list: D000473:Alkanes