Application of solid-phase microextraction to virgin olive oil quality control

被引：27

作者：

Jiménez, A ^{[1
]}

Aguilera, MP ^{[1
]}

Beltrán, G ^{[1
]}

Uceda, M ^{[1
]}

机构：

[1] CICE, Estac Olivicultura & Elaiotecn CIFA Venta Llano, Inst Andaluz Invest & Formac Agraria Pesquera Ali, IFAPA, E-23620 Jaen, Spain

来源：

JOURNAL OF CHROMATOGRAPHY A | 2006年 / 1121卷 / 01期

关键词：

olive oil; solid-phase microextraction; quality control; volatile compounds;

D O I：

10.1016/j.chroma.2006.05.005

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

Volatiles of olive oils from 'tree-picked', 'ground-picked' and both mixed olives were analysed by solid-phase microextraction and gas chromatography with flame ionisation detection (FID). Headspace sampling was carried out for 30 min of fibre exposition at 40 degrees C of sampling temperature by the selected 74 mu m polydimethylsiloxane/divinylbenzene (PDMS/DVB) fibre. Chromatographic data were analysed by principal components analysis (PCA) and then selected 14 compounds from x-loading of first principal component that provides a differentiation of oils accord its sensorial characterisation. Compounds such as 4-ethylphenol and styrene were identified by gas chromatography-mass spectrometry (GC-MS) in 'ground-picked' olive oils. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：140 / 144

页数：5

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