Perspectives on Liquid Chromatography–High-Resolution Mass Spectrometry for Pesticide Screening in Foods
- 31 August 2018
- journal article
- research article
- Published by American Chemical Society (ACS) in Journal of Agricultural and Food Chemistry
- Vol. 66 (37), 9573-9581
- https://doi.org/10.1021/acs.jafc.8b03468
Abstract
This perspective discusses the use of liquid chromatography coupled with high-resolution mass spectrometry (LC–HRMS) for multiresidue analysis of pesticides in foods and agricultural commodities. HRMS has the important distinction and advantage of mass-resolving power and, therefore, requires different concepts, experiments, and guidance for screening, identification, and quantitation of pesticides in complex food matrices over triple quadrupole mass spectrometry. HRMS approaches for pesticide screening, including full-scan experiments in conjunction with tandem mass spectrometry (MS/MS) experiments, are described. This approach results in the generation of chromatographic retention times and high-resolution mass spectra with accurate mass measurements that can be used to create compound databases. New data processing tools can create an efficient and optimized screening approach that can speed the analysis and identification of compounds, reduce the need for chemical standards, and harmonize pesticide analytical procedures.This publication has 41 references indexed in Scilit:
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