Journal
JOURNAL OF CHROMATOGRAPHY A
Volume 1028, Issue 2, Pages 321-324Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.chroma.2003.11.096
Keywords
olive oil; headspace analysis; food analysis; volatile organic compounds
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Solid-phase microextraction was used as a technique for headspace sampling of extra virgin olive oil and virgin olive oil samples with different off-flavours. A 100 mum coated polydimethylsiloxane fiber was used to extract volatile aldehydes, the sampling temperature was 45 degreesC and the fiber has been exposed to the headspace for 15 min. Nonanal and 2-decenal were present in all the olive oils with extraction off-flavours but were not in extra virgin olive oil sample. (C) 2004 Elsevier B.V. All rights reserved.
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