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Bull Environ Contam Toxicol. 2011 Oct;87(4):436-9. doi: 10.1007/s00128-011-0391-z. Epub 2011 Aug 30.

Residual pyrethroids in fresh horticultural products in Sonora, Mexico.

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  • 1Departamento de Investigación y Posgrado en Alimentos, Universidad de Sonora, Rosales y Blvd. Luis Encinas s/n, Centro. Hermosillo, Sonora C.P. 83000, Mexico.


This study was conducted to evaluate the presence of cyhialothrin, cyfluthrin, cypermethrin, fenvalerate, and deltamethrin in vegetables produced and consumed in Sonora, Mexico. A total of 345 samples were collected from cluster sampling of markets and fields. Approximately 9% of the samples tested positive for pyrethroids (residue range 0.004-0.573 mg kg(-1)). Based on the results, the potential toxicological risk of human exposure to the pyrethroid insecticides measured in vegetables appears to be minimal, with the estimated exposure being 1,000 times lower than admissible levels.

© Springer Science+Business Media, LLC 2011

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