Abstract
The presence of insecticides in a shrimp farming park in Sonora, Mexico, was investigated. Sediment and water were from an estuary adjacent to the farming park and sediment, water, and shrimp from ponds were sampled and analyzed for insecticides using gas chromatography. Artemia salina acute toxicity assay and the Salmonella mutagenicity test were performed on insecticides found in shrimp and on insecticide-containing shrimp, respectively. All insecticides searched were found in shrimp samples, as well as in sediment and water from the estuary. Chlorpyrifos was found to cause >50% mortality at levels below those found in ponds. All insecticide-containing shrimp were not mutagenic towards Salmonella TA98 and TA100 tester strain. Results suggest that insecticides levels found in the farming environment might contribute to reduced production. Although insecticide-containing shrimp were no mutagenic, further toxicity testing is necessary to evaluate the risk for the consumer.
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Acknowledgements
The authors wish to thank the Sistema de Investigación del Mar de Cortés (SIMAC) for financing the research grant 20000107510
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Burgos-Hernández, A., Zapién, M.G.L., Madrid, M.L.A. et al. Presence of insecticides in shrimp farms adjacent to the sea of cortes: detection, quantification, and toxicity testing. Eur Food Res Technol 222, 380–384 (2006). https://doi.org/10.1007/s00217-005-0012-3
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DOI: https://doi.org/10.1007/s00217-005-0012-3