Journal
JOURNAL OF CHROMATOGRAPHY A
Volume 1125, Issue 1, Pages 117-123Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.chroma.2006.05.029
Keywords
monoterpene; sesquiterpene; hydrocarbons; olive oil; SPME; mass spectrometry
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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. (c) 2006 Elsevier B.V. All rights reserved.
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