1Maitera N. Oliver, Adamu Jibril, Bata S. Yusuf, 2,3Louis Hitler, 4Adeleye T. Aderemi, and 5Oluwatomosin F. Oyebanji
1Departement of Chemistry, School of Physical Sciences, Modibbo Adama University of Technology, Yola NIGERIA, 2Departement of Pure and Applied Chemistry, Faculty of Physical Sciences, University of Calabar, Calabar, NIGERIA, 3CAS Key Laboratory For Nanosystem and Hierarchical Fabrication, CAS Centre For Excellence in Nanoscience, National Centre For Nanoscience and Technology, University of Chinese Academy of Science, Beijing, CHINA, 4Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of CHINA, 5Departement of Chemistry, University of Ibadan, Ibadan, Oyo State, NIGERIA
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In order to avoid the toxic health hazards, it is necessary to determine the level of pesticides in edible tissue like meat, liver, intestine and kidney of common food animal (such as Goat) which are probably reared where pesticides usage in the environment are prevalent. This work examines the presence of pesticides residue levels in beef, chevon, and internal organs obtained from Yola Abattoir in Adamawa State. Organochlorines and organophosphorus were analyzed in the collected meat, chevon and internal organs using Quick, Easy, Cheap, Effective, Rugged and Safe method of extraction with GC-MS techniques. The residue analysis revealed that beef and chevon samples have no traces of organochlorines while, organophosphorus: (anthracene, chlorpyrifos, dichlorvos, dichlorpyrifos, diazinon, dimethoate, primifos-methyl, and malathion) pesticide residue detected were below threshold level of 0.01 mg/kg. The result of the animals’ intestine showed the presence of chlorpyrifos (0.034 ± 0.001 vs. 0.031 ± 0.001) and (0.027 ± 0.001 vs.0.023 ± 0.0014) above the standard values, whereas, the dichlorvos level were (0.059 ± 0.0014 vs. 0.050 ± 0.0007), (0.061 ± 0.0007 vs. 0.043 ± 0.0014) and (0.072 ± 0.0014 vs. 0.031 ± 0.001) below the maximum residual value of 1 mg/kg. The kidney residue revealed that dichlorprifos, diazinon, dimethoate, primi-methyl and malathion were below the maximum residue limit (0.001 mg/kg) in the cow samples while chlorpyrifos: (0.013 ± 0.001 vs. 0.012 ± 0.001 vs. 0.018 ± 0.001 vs. 0.053 ± 0.001) above standard value (0.01 mg/kg). Dichlorvos was detected in the kidney; (0.069 ± 0.0007 vs. 0.035 ± 0.0014) and (0.052 ± 0.0014) below the maximum residual limit (MRL). Residue analysis in the livers also showed the presence of chlorpyrifos at (0.011 ± 0.001), (0.014 ± 0.001), (0.08 ± 0.001) above the recommended value while dichlorvos (1.012 ± 0.001 vs. 0.027 ± 0.001) and (0.029 ± 0.001 vs. 0.037 ± 0.001) below MRL established by the international health regulation agencies. Residue analysis of all the samples studied shows no trace of organochlorine pesticides. These findings are alarming and threat to public health.