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Article

Pesticide Residues and Their Metabolites in Grapes and Wines from Conventional and Organic Farming System

Department of Food Analysis and Nutrition, University of Chemistry and Technology Prague, Technicka 3, 166 28 Prague, Czech Republic
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Academic Editor: Angela Di Pinto
Foods 2021, 10(2), 307; https://doi.org/10.3390/foods10020307
Received: 8 January 2021 / Revised: 25 January 2021 / Accepted: 27 January 2021 / Published: 2 February 2021
In this study, the occurrence of pesticide residues and their metabolites in grapes and wines was investigated. A targeted analysis of 406 pesticide residues in 49 wine and grape samples from organic and conventional production were performed using the QuEChERS (Quick, Easy, Cheap, Effective, Rugged and Safe) extraction method, followed by ultra-high-performance liquid chromatography coupled with tandem mass spectrometry. Multiple residues (>4 residues/sample) were detected in 22 tested samples. The most commonly detected residues were fungicides (e.g., boscalid) and insecticides (e.g., methoxyfenozide). An ultra-high-performance liquid chromatography–high resolution mass spectrometry method (UHPLC–(HR)MS) was used for screening of pesticide metabolites. We also provide a method and database for detecting pesticide metabolites (extending our previously published database to 49 metabolites originating from 25 pesticides). An introduced strategy of targeted screening of pesticide metabolites was applied for authentication of 27 organic grapes and wines. In total, 23 samples were free of quantifiable residues/detected metabolites or contained residues approved for organic production. View Full-Text
Keywords: pesticide metabolites; pesticide residues; grapes; wines; organic farming; targeted screening; UHPLC–(HR)MS/MS pesticide metabolites; pesticide residues; grapes; wines; organic farming; targeted screening; UHPLC–(HR)MS/MS
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MDPI and ACS Style

Schusterova, D.; Hajslova, J.; Kocourek, V.; Pulkrabova, J. Pesticide Residues and Their Metabolites in Grapes and Wines from Conventional and Organic Farming System. Foods 2021, 10, 307. https://doi.org/10.3390/foods10020307

AMA Style

Schusterova D, Hajslova J, Kocourek V, Pulkrabova J. Pesticide Residues and Their Metabolites in Grapes and Wines from Conventional and Organic Farming System. Foods. 2021; 10(2):307. https://doi.org/10.3390/foods10020307

Chicago/Turabian Style

Schusterova, Dana, Jana Hajslova, Vladimir Kocourek, and Jana Pulkrabova. 2021. "Pesticide Residues and Their Metabolites in Grapes and Wines from Conventional and Organic Farming System" Foods 10, no. 2: 307. https://doi.org/10.3390/foods10020307

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