DETERMINATION OF ORGANOCHLORINE PESTICIDES IN CATTLE LIVER OBTAINED FROM ZANGO, ZARIA-NIGERIA.

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dc.contributor.authorANIFOWOSE, Oluwagbenga
dc.date.accessioned2017-01-30T13:44:15Z
dc.date.available2017-01-30T13:44:15Z
dc.date.issued2015-10
dc.descriptionA DISSERTATION SUBMITTED TO THE SCHOOL OF POSTGRADUATE STUDIES, AHMADU BELLO UNIVERSITY IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE AWARD OF MASTERS DEGREE IN CHEMISTRY. DEPARTMENT OF CHEMISTRY, FACULTY OF SCIENCE AHMADU BELLO UNIVERSITY, ZARIA NIGERIAen_US
dc.description.abstractThe presence of Organochlorine pesticide residues in nine (9) Liver samples collected from slaughter house in Zango, Zaria-Nigeria was determined. All samples were analyzed for the residual contents of α-Benzenehexachloride, β-Benzenehexachloride, Lindane(γBenzenehexachloride), endrin, Aldrin, chlorothalonil, δ-Benzenehexachloride, heptachlor, heptachlor epoxide, endosulfan, dieldrin, endosulfan II, p,p‟-Dichlorodiphenyldichloroethane, endosulfan sulfate, p.p‟-Dichlorodiphenyltrichloroethane, lambda cyhalothrin and permethrin by Gas Chromatography with Electron Capture Detector (GC-ECD). Sample extraction was carried out by warm soxhlet extraction followed by column clean-up with Florisil. The range of concentration was α-BHC 0.02 – 0.21 mg/kg, β-BHC 0.09 – 2.57 mg/kg, Lindane 0.06 – 0.24 mg/kg, chlorothalonil 0.05 – 0.32 mg/kg, δ-BHC 0.07 – 0.90 mg/kg, heptachlor 0.13 – 1.16 mg/kg, Aldrin 0.27 – 0.61 mg/kg, heptachlor epoxide 0.13 – 1.16 mg/kg, endosulfan 0.02 –3.79 mg/kg, dieldrin 0.12 – 1.72 mg/kg, endrin 0.04 – 7.88 mg/kg, endosulfan II 0.12 – 1.56 mg/kg, p,p‟-DDD 0.14 – 0.73 mg/kg, endosulfan sulfate 0.12 – 1.56 mg/kg, p.p‟-DDT 0.12 – 1.20 mg/kg, lambda cyhalothrin 0.07- 0.37 mg/kg and permethrin 0.02 – 0.28 mg/kg. All the samples analyzed were found to contain these OCPs with higher concentrations observed in cattle above 24 months. Higher concentration of DDT than DDD suggests a more recent usage of the pesticides and calls for strict and effective measures to stop the sale and usage of the pesticides. This study has provided the preliminary information on the concentration of OCPs in liver of cattle for the first time in Zaria. The result will help in a scientific assessment of the implications of these pesticide residues with regards to human risk in Zaria.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/8566
dc.language.isoenen_US
dc.subjectDETERMINATION,en_US
dc.subjectORGANOCHLORINE PESTICIDES,en_US
dc.subjectCATTLE LIVER OBTAINED,en_US
dc.subjectZANGO,en_US
dc.subjectZARIA-NIGERIA,en_US
dc.titleDETERMINATION OF ORGANOCHLORINE PESTICIDES IN CATTLE LIVER OBTAINED FROM ZANGO, ZARIA-NIGERIA.en_US
dc.typeThesisen_US
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