Vichi Stefania, Castellote Ana Isabel, Pizzale Lorena, Conte Lanfranco S, Buxaderas Susana, López-Tamames Elvira
Dipartimento di Scienze degli Alimenti, Università di Udine, Via Marangoni 97, 33100 Udine, Italy.
J Chromatogr A. 2003 Jan 3;983(1-2):19-33. doi: 10.1016/s0021-9673(02)01691-6.
The efficiency of headspace solid-phase microextraction (SPME) was evaluated for the qualitative and semi-quantitative analysis of virgin olive oil volatile compounds. The behaviour of four fibre coatings was compared for sensitivity, repeatability and linearity of response. A divinylbenzene-Carboxen-polydimethylsiloxane fibre coating was found to be the most suitable for the analysis of virgin olive oil volatiles. Sampling and chromatographic conditions were examined and the SPME method, coupled to GC with MS and flame ionization detection, was applied to virgin olive oil samples. More than 100 compounds were isolated and characterised. The presence of some of these compounds in virgin olive oil has not previously been reported. The main volatile compounds present in the oil samples were determined quantitatively.
对顶空固相微萃取（SPME）用于初榨橄榄油挥发性化合物的定性和半定量分析的效率进行了评估。比较了四种纤维涂层在灵敏度、重复性和响应线性方面的表现。发现二乙烯基苯-碳分子筛-聚二甲基硅氧烷纤维涂层最适合用于初榨橄榄油挥发物的分析。研究了采样和色谱条件，并将与气相色谱-质谱联用和火焰离子化检测相结合的SPME方法应用于初榨橄榄油样品。分离并鉴定了100多种化合物。这些化合物中有些在初榨橄榄油中的存在此前尚未见报道。对油样中主要挥发性化合物进行了定量测定。
