QUANTIFICATION OF ORGANOCHLORINE RESIDUE ON STORED GRAINS IN ONDO STATE, NIGERIA.
Journal Title: European Journal of Biomedical and Pharmaceutical Sciences - Year 2019, Vol 6, Issue 1
Abstract
The objective of this research is to quantify the residue of chlorinated pesticide content of the four grain samples and compare their residues content with FAO/WHO MRLs. Permethrin in bean samples from location 2 (5.04 ppm) and 3 (4.44 ppm) were significantly different (p < 0.05) from the samples from location 4 (0.00 pm) and also different from sample from location 1 (2.0 ppm). There were a few exceptions in some markets such as Heptachlor (B) which was not detected in the beans sample from Location 1. There was a conspicuously high quantity (8.49 ppm) of Permethrin in the rice samples from Location 4 but Endrin was found to be absent in all rice samples. Likewise Endrin was found to be absent in all wheat samples while only the sample from Location 2 contained Lambda Cyalothrin but did not contain p,p-DDD. The Permethrin levels in wheat samples were also considerably high. The maize samples had the highest concentration in many of the organochlorine pesticide. The concentration of alpha-BHC in maize was 0.03 ppm, beta-BHC had a concentration of 0.14 ppm, 0.073 ppm for Lindane, 0.09 ppm for Chlorothalonil and 0.14 ppm in Aldrin. Almost 80% of the pesticide monitored exceeded their MRL; while some pesticide concentration slightly exceeded their maximum residue limit some concentrations were significantly higher than their MRL.
Authors and Affiliations
Akinneye Joseph O.
Keywords
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