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Nontargeted Screening and Determination of Sulfonamides: A Dispersive Micro Solid-Phase Extraction Approach to the Analysis of Milk and Honey Samples Using Liquid Chromatography-High-Resolution Mass Spectrometry



Nontargeted Screening and Determination of Sulfonamides: A Dispersive Micro Solid-Phase Extraction Approach to the Analysis of Milk and Honey Samples Using Liquid Chromatography-High-Resolution Mass Spectrometry



Journal of Agricultural and Food Chemistry 65(9): 1984-1991



A simple, rapid, sensitive, selective, and environmentally friendly method, based on a dispersive micro solid-phase extraction approach (dispersive micro SPE) coupled with liquid chromatography-high-resolution mass spectrometry (LC-HRMS), was established for the analysis of sulfonamides in honey and milk. An efficient nontargeted screening strategy was designed to discover and identify known and unknown sulfonamides in honey and milk using full-MS/all ion fragmentation (AIF) mass spectrometry acquisition mode. The experimental parameters and conditions of dispersive micro SPE on extraction efficiency were optimized in detail. Under the optimized conditions, the dispersive micro SPE method showed a low limit of detection (LOD) for the targeted sulfonamides ranging from 0.003 to 0.2 μg/L in milk and from 0.01 to 1 μg/kg in honey with the recoveries of the analytes between 68.8 and 115.8%. Compared with the reported methods, improvements in convenience, low cost, and environmental friendliness were obtained in this study.

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Accession: 060025783

Download citation: RISBibTeXText

PMID: 28209053

DOI: 10.1021/acs.jafc.6b05773


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