Abstract
In this study, a preliminary food quality and safety assessment was performed on organic and cage-free egg samples marketed in the state of Rio de Janeiro, Brazil, that were analyzed concerning veterinary drug and pesticide residues using high performance and ultra performance liquid chromatography coupled to tandem mass spectrometry. The polyether ionophore salinomycin was detected in two organic egg samples (25% of the organic samples), one with an estimated concentration even higher than the maximum permissible amount of 3 µg kg−1 established for conventional eggs by the European Commission. The other sample presented a concentration higher than the limit of detection of 0.3 µg kg−1, but lower than the lowest calibration level of 1.5 µg kg−1. Regarding pesticide residues, spiroxamine, pirimiphos, mephosfolan and pyraclostrobin were identified at residual levels below the lowest calibration level of 4.5 µg kg−1, except for one organic egg sample, presenting 8.3 µg kg−1 of spiroxamine. Spiroxamine was identified in 62% of the assessed samples. These findings indicate that non-conformities were found even with a limited number of samples, impacting the confidence in the quality of organic and cage-free alternative systems in egg production. The hazard index (HI) approach demonstrated that chemical food safety might be at risk, since a mixture of the detected analytes may pose a risk for children up to 27 kg, through egg consumption.
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This study was financed in part by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - Brasil (CAPES) - Finance Code 001.
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Pereira, M.U., Cândido, F.S., de Oliveira, A.C. et al. A preliminary study of simultaneous veterinary drug and pesticide residues in eggs produced in organic and cage-free alternative systems using LC–MS/MS. J Food Sci Technol 57, 1719–1730 (2020). https://doi.org/10.1007/s13197-019-04205-7
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DOI: https://doi.org/10.1007/s13197-019-04205-7