Analysis of Organochlorine pesticide residues in beans

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Ogah C.O.
Coker H.B.
Adepoju-Bello A.A.
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West African Journal of Pharmacy
Background: Analysis of pesticide residues in food is one way to determine the level of human exposure to these chemicals and hence their potential human health hazards. Objectives: This study was carried out to determine the incidence and quantity of organochlorine pesticide residues in beans samples collected from various markets in Lagos State and compare values obtained withestablished safety values. Methods: Beans (Phaseolus vulgaris L.) samples purchased from different markets in Lagos State were analyzedfor residues of organochlorine pesticides using gas chromatograph with mass spectrometric detector (GC-MS)after careful extraction and cleanup. Results: The results showed that all the beans samples contained residues of one or more organochlorine pesticides. Mean concentrations ranged from 5.8-35.1μg/kg and maximum residue limits (MRLs) of some pesticides were exceeded in up to 8% of samples. The estimated total diet intakes (ETDIs) for aldrin and dieldrinexceeded their maximum permissible intakes (MPIs) by 100% and 17% respectively. Conclusion: It is concluded that residues of organochlorine pesticides are present in beans in Lagos markets andsome are above safety levels.
Scholarly articles
Pesticides, Organochlorine, Residues, Lagos , Research Subject Categories::PHARMACY , Pesticides , Residues , Lagos , Human health
Ogah CO, Tettey J, Coker HB and Adepoju-Bello A.A. (2012). Analysis of Organochlorine pesticide residues in beans from markets in Lagos State, Nigeria. West African Journal of Pharmacy (2012) 23 (1) 60 - 68