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Rev. toxicol ; 23(1): 7-10, 2006. ilus, tab
Article in Es | IBECS | ID: ibc-66503

ABSTRACT

La utilización de plaguicidas en las labores agrícolas y tratamientos ganaderos, parece hoy en día insustituible, pudiendo generar residuos en los alimentos. En este estudio se ha determinado la presencia en leche de plaguicidas que actualmente tienen un amplio uso, organofosforados y triazinas, y valorando la posible contaminación de las rutas de recogida de leche que ha de ser utilizada en una industria de transformación láctea. En total se han recogido 242 muestras procedentes de 15 rutas de recogida de la parte occidental de Asturias y oriental de la provincia de Lugo (Galicia). Para la determinación de estas sustancias se ha utilizado un cromatógrafo de gases con detector de nitrógeno-fósforo. Los porcentajes de aparición de los plaguicidas estudiados fueron: terbutilazina (6,20%), diclorvos (5,78%), simazina (4,96%), atrazina (4,96%), cumafos (2,06%), y metil paration (0,83%). Considerando estos resultados y comparando las diversas rutas de recogida, se detectó mayor presencia de triazinas en Galicia que en Asturias, y respecto a los organofosforados en las rutas pertenecientes a la costa frente a las de interior


The use of pesticides in agricultural labours and cattleman treatments seems today irreplaceable, being able to generate residues in the foods. In this study has been determined the presence in cow milk of pesticides that currently have a wide use, organophosphorous and triazines, and valuing the possible pollution of the routes of milk withdrawal that there has of be used in a milky transformation industry. In total, 242 samples have been collected originating from 15 withdrawal routes of the western part of Asturias and eastern of the province of Lugo (Galicia). For the determination of these substances, a gas chromatograph with a nitrogenphosphorous detector has been used. The percentages of appearance of the pesticides studied were: terbuthylazine (6.20%), dichlorvos (5.78%), simazine (4.96%), atrazine (4.96%), coumaphos (2.06%), and methyl parathion (0.83%). Considering these results and comparing the various withdrawal routes, was detected greater presence of triazines in Galicia than in Asturias and with respect to the organophosphorous in the routes belonging to the coast as compared to those of interior


Subject(s)
Milk/chemistry , Insecticides, Organophosphate/isolation & purification , Herbicides/isolation & purification , Food Contamination/analysis
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