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Insecticide Residues in Stored Grains in Sonora, Mexico: Quantification and Toxicity Testing

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Abstract

Food safety has acquired great attention by food importer and exporters. Food rejection or acceptance across international borders is based on the compliance with international food regulations. Due to the lack of recent data on pesticide residues in Mexican grains, this study focused on detecting and quantifying insecticide residues in stored wheat, corn, chickpeas, and beans, as well as to determine their mutagenic potential. Grains were sampled from primary storage sites in Sonora, Mexico. Malathion, chlorpyrifos, deltamethrin, cypermethrin, 4,4-DDE, 4,4-DDD and 4,4-DDT were analyzed in 135 samples. Grain samples were not mutagenic and most pesticide levels were within regulation limits.

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Acknowledgments

This work was supported by the Mexican Council for Science and Technology (CONACyT Grant 31574-B). The authors wish to express their recognition Mary Kay O’Rourke Ph.D. from University of Arizona, for her kind review and comments to the manuscript.

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Correspondence to M. L. Aldana-Madrid.

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Aldana-Madrid, M.L., Valdez-Hurtado, S., Vargas-Valdez, N.D. et al. Insecticide Residues in Stored Grains in Sonora, Mexico: Quantification and Toxicity Testing. Bull Environ Contam Toxicol 80, 93–96 (2008). https://doi.org/10.1007/s00128-007-9302-8

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  • DOI: https://doi.org/10.1007/s00128-007-9302-8

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