Exploring matrix effects in liquid chromatography-tandem mass spectrometry determination of pesticide residues in tropical fruits

Analytical and Bioanalytical Chemistry
A M Botero-CoyFélix Hernández

Abstract

Tropical fruits are being increasingly consumed around the world because of their appreciated characteristics, particularly their high nutritional value and distinctive taste, which are different from those of traditional fruits. Owing to their introduction into international markets it is necessary to have a reliable analytical methodology available for the sensitive determination of pesticide residues in order to monitor the compliance of maximum residue limits (MRLs). From an analytical point of view, tropical fruits have generally been far less studied than other fruits frequently consumed in the European Union or USA, which are among the most important markets. In this work, LC-MS/MS-based methodology using a triple quadrupole analyzer was developed for the multi-residue determination of selected pesticides and metabolites in tropical fruits, which were selected among the most popular in Colombia, one of the most important suppliers of tropical fruits around the world. After selection of a QuEChERS (Quick, Easy, Cheap, Effective, Rugged, and Safe)-based sample treatment, the study focused on the evaluation of matrix effects, in order to find a simple way for their correction. Twelve different food matrices were selected to...Continue Reading

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Citations

Jan 9, 2016·Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment·Yanyu LiuBining Jiao

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