Monoterpene and sesquiterpene hydrocarbons of virgin olive oil by headspace solid-phase microextraction coupled to gas chromatography/mass spectrometry

Autor: Josep Caixach, Stefania Vichi, Elvira López-Tamames, Josep M. Guadayol, Susana Buxaderas
Rok vydání: 2006
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Zdroj: Digital.CSIC. Repositorio Institucional del CSIC
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ISSN: 0021-9673
DOI: 10.1016/j.chroma.2006.05.029
Popis: 7 pages, 3 figures.-- PMID: 16756984 [PubMed].-- Printed version published Aug 25, 2006.-- Presented at the 11th Meeting on Instrumental Analysis (Barcelona, Nov 15–17, 2005). In the present article, a headspace solid-phase microextraction method coupled to GC/MS was developed and applied for the simultaneous determination of mono- and sesquiterpenic hydrocarbons in virgin olive oils of different olive variety and geographical origin. Analysis of various oils resulted in the simultaneous detection of 15 monoterpenes and 30 sesquiterpenes. Some of these hydrocarbons were previously reported to be constituents of virgin olive oil terpenoid fraction, although we also detected some terpenic hydrocarbons that have not previously been documented as present in virgin olive oil. Significant differences were detected in the proportion of terpenic compounds in oils obtained from different olive varieties grown in different geographical areas. The monoterpene, and particularly the sesquiterpene composition of olive oil may be used to distinguish samples from different cultivar and geographical areas. This study was supported by the Secretaría de Estado de Educación y Universidades (Ministerio de Educación y Ciencia) Ref. SB2003-0118 and by the Generalitat de Catalunya, project 2001SGR00131.
Databáze: OpenAIRE
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