Static Headspace Sampling and Solid-Phase Microextraction for Assessment of Edible Oils Stability

被引：23

作者：

Gromadzka, Justyna ^{[1
]}

Wardencki, Waldemar ^{[1
]}

机构：

[1] Gdansk Univ Technol, Fac Chem, Dept Analyt Chem, PL-80233 Gdansk, Poland

来源：

CHROMATOGRAPHIA | 2010年 / 71卷

关键词：

Gas chromatography; Headspace analysis; Solid-phase microextraction; Vegetable oils oxidation products; VIRGIN OLIVE OILS; OXIDATIVE STABILITY; VOLATILE COMPOUNDS; SPME; ANTIOXIDANTS; MECHANISMS;

D O I：

10.1365/s10337-010-1516-y

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

Static headspace sampling and headspace solid-phase microextraction have been applied for the determination of the low molecular mass aldehydes-markers of edible oil oxidation. Preconcentration and determination conditions for the two procedures were optimized. LODs LOQs and repeatability of a standard mixture were established for all investigated compounds. Both methods of sampling were applied to the analysis of samples of rapeseed and sunflower oils. It appears that solid-phase microextraction is better than headspace sampling for the analysis of volatile oxidation products. Solid-phase microextraction can be conducted at a much lower temperature and has lower LOD values and better repeatability than headspace sampling.

引用

页码：S81 / S86

页数：6

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