Organochlorine levels in human blood from residents in areas of limited pesticide use in Sudan |
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| Authors: | Azhari O Abdelbagi Ahmed B Elbashir Gafar A Elzorgani Mark D Laing |
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| Institution: | 1. Department of Crop Protection, Faculty of Agriculture, University of Khartoum, Khartoum North, Sudan;2. DOW Agrosciences, Wad Medani, Sudan;3. Agricultural Research Corporation, Wad Medani, Sudan;4. Discipline of Plant Pathology, School of Agricultural, Earth and Environmental Sciences, University of Kwa Zulu-Natal, Pietermaritzburg, South Africa |
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| Abstract: | Ninety-nine human blood samples were collected from the riverine region of northern Sudan and the traditional and mechanized rain-fed areas of western and eastern Sudan, representing areas of limited pesticide use in Sudan. Blood samples were analyzed for organochlorine pesticides by gas liquid chromatography (GLC) followed by electron-capture detection (ECD). p,p′-DDE (a metabolite of DDT), heptachlor epoxide, β-hexachlorocyclohexane (β-HCH), and dieldrin were detected in all locations surveyed. The level of total organochlorine burden was highest in the traditional rain-fed area, followed by the mechanized rain-fed area, and the riverine area. A highly significant correlation was observed between total organochlorine blood burden and the age of the donors (r = 0.608**). |
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| Keywords: | organochlorine insecticides residues human blood Sudan |
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