Solid-phase microextraction for studies on the enantiomeric composition of filbertone in hazelnut oils

被引：16

作者：

Del Castillo, MLR ^{[1
]}

Flores, G ^{[1
]}

Herraiz, M ^{[1
]}

Blanch, GP ^{[1
]}

机构：

[1] CSIC, Inst Fermentac Ind, E-28006 Madrid, Spain

来源：

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY | 2003年 / 51卷 / 09期

关键词：

SPME; filbertone; enantiomeric analysis; hazelnut oil;

D O I：

10.1021/jf026247s

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

The enantiomeric distribution of filbertone was determined in unroasted and roasted hazelnut oils of different geographical origins by using solid-phase microextraction (SPME) and capillary gas chromatography. An optimization procedure including SPME fiber, extraction time, exposure temperature, and sample volume enabled the best conditions to be selected. Under the optimized conditions, detection limits were in the micrograms per liter level for both enantiomers of filbertone with relative standard deviation values of 7.1 and 4.9% for R-filbertone and S-filbertone, respectively. The proposed approach allowed the rapid determination of the enantiomeric composition of filbertone and demonstrated that its variability is an inherent property of the natural compound. Analysis of two batches of hazelnut oils obtained from either unroasted or roasted hazelnuts showed, in general, significantly higher amounts of filbertone in roasted hazelnut oils.

引用

收藏

页码：2496 / 2500

页数：5

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