Farm to table: Residues of different pesticides in tomato and tomato juice – Food safety aspects

Lehel, József and Vöröskői, Petra Anna and Palkovics, András and Szabó, Csaba and Darnay, Lívia and Budai, Péter and Laczay, Péter and Lányi, Katalin (2022) Farm to table: Residues of different pesticides in tomato and tomato juice – Food safety aspects. ACTA VETERINARIA HUNGARICA, 70 (3). pp. 236-244. ISSN 0236-6290

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Abstract

During plant cultivation, the pesticides can get into the tissue of vegetables due to crop protection processes, and thus into the food chain. Therefore, they constitute a potential risk to the consumer's health. Depletion of pesticides [spirotetramat (Movento), azoxystrobin and difenoconazole (Amistar Top)] was monitored by testing tomatoes treated individually or simultaneously and tomato juices prepared from the treated tomatoes. The investigations aimed to reveal any kinetic interaction between the compounds tested and changes in their elimination, and thus to assess their compliance with the official Maximum Residue Limits (MRLs). The co-presence of pesticides prolonged the elimination of the individual compounds which reached significantly higher residue levels ( P < 0.0001) in tomato, especially difenoconazole (45%) and azoxystrobin (50%) on day 8 after treatment that can cause food safety issues to the human consumers. However, the concentrations of pesticides applied alone or simultaneously were found to be below the corresponding MRL values after the withdrawal period in all investigated tomato and tomato juice samples. Accordingly, the investigated pesticides can be safely used simultaneously, their concentrations are in compliance with the legal regulations and thus their concomitant presence does not pose any risk to the consumers' health.

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