A survey of 59 pesticide residues in Turkish chicken eggs using LC-MS/MS. Issue 4 (1st October 2020)

• Record Type: Journal Article
• Authors: Akgün, Banu; Hamzaoğlu, Mertin; Tosunoğlu, Hakan; Demir, Sema; Deniz, Altan; Zengingönül Gökçay, Remziye
• Is Part Of: Food additives & contaminants. Volume 13:Issue 4(2020)
• Page Start: 252
• Page End: 259
• Publication Date: 2020-10-01
• Subjects: Pesticides -- Quick-Easy-Cheap-Effective-Rugged-Safe (QuEChERS) -- LC-MS/MS -- chicken eggs -- method validation -- Turkey; Food additives -- Periodicals; Food contamination -- Periodicals; 664.07
• DOI: 10.1080/19393210.2020.1767218
• Languages: English
• ISSNs: 1939-3210

Abstract

ABSTRACT: An LC-MS/MS multi-residue method was validated for the determination of 59 pesticide residue levels in a chicken egg by using QuEChERS extraction method. The validation parameters used were taken from the SANTE/11813/2017 guideline. The calibration curves for each target pesticide had a good linearity in a range of 1.0 or 2.5 to 100.0 µg kg −1 (r 2 ≥ 0.995). Ten per cent of the total pesticides had LOQ values less than 5.0 µg kg −1 or LOQ values from 5.0 to 10.0 µg kg −1 . The LOQ values were below the MRLs set by the European Commision (EC). Average recoveries (70–120%) and relative standard deviations (RSDs≤20%) were achieved for 59 selected pesticides at different concentrations (5 or 10 and 200 µg kg −1 ). All expanded measurement uncertainties were lower than 50%. The occurrence of these pesticides was evaluated in 35 commercially available chicken eggs. No MRL exceedance was identified.