Headspace single-drop microextraction of herbal essential oils

被引：19
|
作者：
Adam, Martin [1 ]
Dobias, Petr [1 ]
Eisner, Ales [1 ]
Ventura, Karel [1 ]
机构：
[1] Univ Pardubice, Dept Analyt Chem, Fac Chem Technol, Pardubice 53210, Czech Republic
来源：
JOURNAL OF SEPARATION SCIENCE | 2008年 / 31卷 / 02期
关键词：
essential oils; herbs; single-drop microextraction;
D O I：
10.1002/jssc.200700377
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A method employing the headspace single-drop microextraction (HS-SDME) is presented for the determination of essential oils in dried herbal leaves. By optimising the key experimental parameters, a linear response for the individual target compounds was obtained in the concentration range from LOQ to 4 mg/mL (r(2) = 0.9912-0.9998), with LODs from 3.3 up to 20.5 mu g per 100 g of dried leaves, and the repeatability within the RSD of 2.1 - 8.9%. The HS-SDME-based procedure, enabling a rapid and simple analysis of essential oils in herbs, was applied to selected real samples (nine essential oils in four different samples) in combination with GG-FID identification and quantification of the target volatiles.
引用
收藏
页码：356 / 363
页数：8
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