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May 1, 2020

ACS Spring 2020 National Meeting & Expo

Analysis of pesticide residues in strawberries: Multiresidue QuEChERS-LC-MS/MS method

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pesticide

strawberries

QuEChERS

LC-MS/MS

Abstract

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64

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Abstract

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Keywords

pesticide

strawberries

QuEChERS

LC-MS/MS

Abstract

This study aimed to determine pesticide residues in strawberries from Pennsylvania retail stores during 2019-2020. A multiresidue method was developed for analysis of 10 pesticide molecules using SCIEX QTRAP UPLC/MS/MS. The strawberry samples (peel and whole fruit, separately) were extracted by QuEChERS and followed by dispersive solid-phase extraction (dSPE) for clean-up. Results showed that boscalid, tetrahydrophthalimide, cyprodinil, pyroclostrobin and myclobutinil were the most detected pesticides in strawberries. Peels of strawberries were detected with higher levels of the pesticides than blended fruit for most of the samples.<br/>

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© Copyright 2019 Morressier GmbH.
All rights reserved.