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  • Title: Determination of selected biogenic amines in red wines by automated on-line combination of capillary isotachophoresis-capillary zone electrophoresis.
    Author: Ginterová P, Marák J, Staňová A, Maier V, Sevčík J, Kaniansky D.
    Journal: J Chromatogr B Analyt Technol Biomed Life Sci; 2012 Sep 01; 904():135-9. PubMed ID: 22884886.
    Abstract:
    A screening analytical method based on an automated on-line combination of capillary isotachophoresis-capillary zone electrophoresis (cITP-CZE) in hydrodynamically closed separation system, equipped with photometric detection at 280 nm, was developed for a routine determination of the selected biogenic amines, namely histamine, 2-phenylethylamine and tyramine, in red wines. The evaluated limits of detection (LODs) were 0.35 mg L(-1) for histamine, 0.33 mg L(-1) for 2-phenylethylamine and 0.37 mg L(-1) for tyramine. The repeatability of the migration time and peak area for histamine were 1.1% and 2.6%, respectively, for 2-phenylethylamine 0.7% and 2.0%, respectively, and for tyramine 0.8% and 2.1%, respectively. The method recoveries were 92.1% for histamine, 96.4% for 2-phenylethylamine and 95.5% for tyramine. The developed automated cITP-CZE-UV method was applied for the determination of histamine, 2-phenylethylamine and tyramine in seven red wine samples originating from Czech Republic.
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