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https://doi.org/10.1007/s10661-012-2835-2

has been cited by the following article:

• TITLE: Multi-Residue Levels of Persistent Organochlorine Pesticides in Edible Vegetables: A Human Health Risk Assessment

  AUTHORS: Samuel Oluyemi Adefemi, Samuel Sunday Asaolu, Olayinka Abidemi Ibigbami, Joshua Iseoluwa Orege, Mayowa Akeem Azeez, Abiodun Folasade Akinsola

  KEYWORDS: Organochlorine Pesticides, Vegetables, Risk, Residues, Gas Chromatography

  JOURNAL NAME: Journal of Agricultural Chemistry and Environment, Vol.7 No.4, November 6, 2018

  ABSTRACT: Background: This study evaluates the quantitative assessment of persistent organochorine pesticide (OCPs) residues in vegetables (Senecio biafrae) from four selected cocoa plantations in Ekiti State, Nigeria. Methods: The pesticides were extracted from the vegetable samples by using USEPA 3500C method and later clean-up on activated silica gel. The pesticides residues in the samples were determined using Gas Chromatography coupled with Electron Capture Detector (GC-ECD). Results: The results showed that the analyzed samples were contaminated with ten OCPs. The mean OCPs concentration ranged from ND—0.399 mg/kg to ND—0.379 mg/kg during the wet and dry seasons respectively. α-BHC, β-BHC, p, p’-DDE, dieldrin, endrin, endosulfan sulphate and methoxychlor were not detected in the samples. Pesticides such as aldrin, endosulfan II, endrin aldehyde and heptachlor slightly exceeded their maximum residue limit. Conclusion: The hazard indices (HI) of heptachlor, endosulfan I, endosulfan II, aldrin, heptachlor-epoxide and p, p’-DDT exceeded 1 and thus pose likely potential non-carcinogenic health risk.