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1995•Journal of AOAC InternationalRequires access

Determination of Organochlorine Pesticides in Cheese

Antonio Bentabol, M. Jodral

Open publisher page 7 citations

Abstract

A multiresidue technique was developed for the analysis of 17 organochlorine compounds in cheese: alpha-hexachlorocyclohexane (alpha-HCH), beta-HCH, gamma-HCH, delta-HCH, aldrin, dieldrin, endrin, heptachlor, heptachlor epoxide, chlordane, o,p'- ... (o,p'-DDT), p,p'-DDT, o,p'- ... (o,p'-DDD), p,p'-DDD, o,p'- ... (o,p'-DDE), p,p'-DDE, and the fungicide hexachlorobenzene. In this technique, the fat, previously extracted from the cheeses, was subjected to 2 cleanup and extraction methods: with H2SO4, for acid-resistant organochlorine pesticides, and with KOH-ethanol. The behavior of the compounds in both treatments enabled us to identify the organochlorine pesticides in cheese. The precision (repeatability and reproducibility) and accuracy of the technique were validated.

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What this paper is about

A multiresidue technique was developed for the analysis of 17 organochlorine compounds in cheese: alpha-hexachlorocyclohexane (alpha-HCH), beta-HCH, gamma-HCH, delta-HCH, aldrin, dieldrin, endrin, heptachlor, heptachlor epoxide, chlordane, o,p'- ... (o,p'-DDT), p,p'-DDT, o,p'- ... (o,p'-DDD), p,p'-DDD, o,p'- ... (o,p'-DDE), p,p'-DDE, and the fungicide hexachlorobenzene. In this technique, the fat, previously extracted from the cheeses, was subjected to 2 cleanup and extraction methods: with H2SO4, for acid-resistant organochlorine pesticides, and with KOH-ethanol. The behavior of the compounds in both treatments enabled us to identify the organochlorine pesticides in cheese. The precision (repeatability and reproducibility) and accuracy of the technique were validated.

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Available abstract

A multiresidue technique was developed for the analysis of 17 organochlorine compounds in cheese: alpha-hexachlorocyclohexane (alpha-HCH), beta-HCH, gamma-HCH, delta-HCH, aldrin, dieldrin, endrin, heptachlor, heptachlor epoxide, chlordane, o,p'- ... (o,p'-DDT), p,p'-DDT, o,p'- ... (o,p'-DDD), p,p'-DDD, o,p'- ... (o,p'-DDE), p,p'-DDE, and the fungicide hexachlorobenzene. In this technique, the fat, previously extracted from the cheeses, was subjected to 2 cleanup and extraction methods: with H2SO4, for acid-resistant organochlorine pesticides, and with KOH-ethanol. The behavior of the compounds in both treatments enabled us to identify the organochlorine pesticides in cheese. The precision (repeatability and reproducibility) and accuracy of the technique were validated.

Key concepts: Organochlorine pesticide, Pesticide, Environmental chemistry, Environmental science, Chemistry, Biology, Ecology

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