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Open AccessArticle

Persistent Organochlorine Pesticide Residues in Some Selected Cocoa Beverages in Nigeria

Department of Chemistry, Ekiti State University, PMB 5363 Ado-Ekiti, Nigeria
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Author to whom correspondence should be addressed.
Academic Editor: Maja Benković
Beverages 2017, 3(4), 60; https://doi.org/10.3390/beverages3040060
Received: 8 October 2017 / Revised: 13 November 2017 / Accepted: 13 November 2017 / Published: 11 December 2017
(This article belongs to the Special Issue Beverage Powder)
This study evaluates the quality of the cocoa beverages produced in Nigeria with respect to the occurrence and levels of organochlorine pesticides OCPs residues in order to ascertain the potential health risks to the general public. Seven cocoa-based beverages were analysed for 17 OCP residues using gas chromatography coupled with an Electron Captured Detector (GC-ECD) after extraction and silica-gel clean-up. The study reveals the presence of ten OCP residues in the cocoa beverages, with a concentration range from not detected ND—0.256 mg/kg, while α-BHC, β-BHC, methoxychlor, p,p′-DDE, dieldrin, endrin aldehyde, and endosulfan sulphate were not detected in any of the analysed samples. The contamination pattern of OCPs in the beverages was in the following order: Ovaltine > Milo > Cadbury-choco > Bournvita > Cowbell-coffee > Richoco > Oluji, with p,p′-DDT being the most frequently found pesticide. Heptachlor and endosulfan II showeda residual level above the European Union (EU) Maximum Residual Limits (MRLs) in only one sample. View Full-Text
Keywords: organochlorine; cocoa beans; beverages; pesticides residues; gas chromatograph organochlorine; cocoa beans; beverages; pesticides residues; gas chromatograph
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Ibigbami, O.A.; Adebawore, A.A. Persistent Organochlorine Pesticide Residues in Some Selected Cocoa Beverages in Nigeria. Beverages 2017, 3, 60.

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