title: Organochlorine pesticides in Argentinian butter.
abstract: Organochlorine pesticide residues were analysed in 150 samples of butter collected from several places in the cities of Santa Fe and Rosario (Argentine Republic) over a period of 18 months. Pesticides analysed in butter were: HCH (alpha and gamma isomers), heptachlor and its epoxide, aldrin, dieldrin, and DDT (p,p' DDE, o,p' DDT and p,p' DDT). Most samples contained residues of gamma-HCH (Lindane) and heptachlor (92% and 78%, respectively); alpha-HCH and aldrin were detected in 58% and 55% of samples; dieldrin, heptachlor epoxide, DDT isomers were found in few cases (30%). Mean values of pesticides residues in butter fat were: sigma HCH 0.029 ppm; sigma heptachlor 0.064 ppm; sigma aldrin 0.11 ppm and sigma DDT 0.024 ppm. Residue levels exceeded the limits prescribed by the Food and Agricultural Organization/World Health Organization in only very few cases.
authors.affiliation: Instituto de Desarrollo Tecnológico para la Industria Química, INTEC-CONICET-U.N.L., Santa Fe, Argentina.
authors.forename: A
authors.initials: A
authors.lastname: Lenardón
authors.forename: M I
authors.initials: MI
authors.lastname: Maitre de Hevia
authors.forename: S
authors.initials: S
authors.lastname: Enrique de Carbone
mesh_terms: D001118:Argentina; D002079:Butter / Q000032:analysis*; D005506:Food Contamination / Q000032:analysis*; D006843:Hydrocarbons, Chlorinated; D007306:Insecticides / Q000032:analysis*
chemical_list: D006843:Hydrocarbons, Chlorinated; D007306:Insecticides; D002079:Butter