Preprint Article Version 1 This version is not peer-reviewed

Determination of Pesticide Residues in Fresh Fruits in the Republic of Serbia by LC-MS/MS

Isidora Kecojević
,
Danica Mrkajić
,
Vladimir Tomović
* ,
Biljana Bajić
,
Milana Lazović
,
Ana Joksimović
,
Mila Tomović
,
Aleksandra Martinović
,
Dragan Vujadinović
ORCID logo ,
Srđan Stefanović
,
Vesna Đorđević
Version 1 : Received: 4 November 2024 / Approved: 5 November 2024 / Online: 6 November 2024 (08:52:26 CET)

How to cite: Kecojević, I.; Mrkajić, D.; Tomović, V.; Bajić, B.; Lazović, M.; Joksimović, A.; Tomović, M.; Martinović, A.; Vujadinović, D.; Stefanović, S.; Đorđević, V. Determination of Pesticide Residues in Fresh Fruits in the Republic of Serbia by LC-MS/MS. Preprints 2024, 2024110357. https://doi.org/10.20944/preprints202411.0357.v1 Kecojević, I.; Mrkajić, D.; Tomović, V.; Bajić, B.; Lazović, M.; Joksimović, A.; Tomović, M.; Martinović, A.; Vujadinović, D.; Stefanović, S.; Đorđević, V. Determination of Pesticide Residues in Fresh Fruits in the Republic of Serbia by LC-MS/MS. Preprints 2024, 2024110357. https://doi.org/10.20944/preprints202411.0357.v1

Abstract

The concentrations of pesticide residues were determined in 2,164 samples of 46 fruits species, collected over a 4-year period. Fruits originated from 59 countries, including Serbia (N = 199). Pesticide residues were determined by the liquid chromatography tandem mass spectrometry (LC-MS/MS) after extraction by a modified QuEChERS protocol. A total of 173 pesticide residues were detected. 62.57% of fruit samples had pesticide residues at or above 0.01 mg/kg, and 4.67% of samples exceeded the maximum residue limits (MRLs) set by the Serbian regulation. MRL values were most often exceeded in pomegranate and citrus fruits (grapefruit and mandarin). Most frequently found pesticide was imazalil (detected in 624 samples, 28.84%) with the highest concentration (93.870 mg/kg) in a grapefruit sample. Multiple pesticides were detected in 50.92% of the fruit samples, and two grapefruit samples contained up to 44 pesticide residues.

Keywords

fruits; pesticide residues; maximum residue levels; food safety

Subject

Environmental and Earth Sciences, Environmental Science

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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