@article{wjac2018612,
author={{Agnandji, Prudence and Ayi-Fanou, Lucie and Gbaguidi, Magloire Acakpo Nonvignon and Cachon, Boris Fresnel and Hounha, Mathieu and Tchibozo, Micheline Agassounon Djikpo and Gbewonyo, Winfred Seth Kofi and Cazier, Fabrice and Sanni, Ambaliou},
title={Assessment of Organophosphorus and Pyrethroid Pesticide Residues in <i>Lactuca</i> <i>sativa</i> L. and <i>Solanum</i> <i>macrocarpum</i> L. cultivated in Benin},
journal={World Journal of Analytical Chemistry},
volume={6},
number={1},
pages={4--12},
year={2018},
url={http://pubs.sciepub.com/wjac/6/1/2},
issn={2333-1283},
abstract={Pesticides are harmful and toxic in nature. They are used for vegetable protection against pest attack.<i><b> </b></i>The present study aimed to determine the level of Organophosphorus and Pyrethroid residues in vegetables (<i>Solanum macrocarpum</i> L. and <i>Lactuca sativa</i> L.). Thirty one vegetable samples (16 samples of <i>Solanum</i> <i>macrocarpum</i> L. and 15 samples of <i>Lactuca</i> <i>sativa</i> L.) from four vegetable farms were collected. The samples were cleaned up before the extraction was performed. Analysis was then processed using the QuEChERS method. Residue analysis was performed using a GC-PFPD for Organophosphorus residues and GC-ECD for Pyrethroid residues. MedCalc Statistical Software version 15.0. was used for the statistical analysis.<i> </i>The results revealed that most of the samples are contaminated by Pyrethroid and Organophosphorus residues<i>. </i>Among Pyrethroid residues detected, 6.5% of cypermethrin and 43.75% of lambda cyhalothrin levels in <i>Solanum</i> <i>macrocarpum</i> L. have exceeded the maximum residue limits while in <i>Lactuca</i> <i>sativa</i> L. 40% of lambda cyhalothrin and 20% of fenvalerate levels exceeded also the maximum residue limits. For Organophosphorus analyzed, 6.25% of diazinon, 12.5% of chlorfenvinp, 18.75% of fenitrothion, 25% of dimethoate and pirimiphos methyl, 50% of profenofos, 56.25% of malathion and 75% of chlorpyrifos levels in <i>Solanum</i> <i>macrocarpum</i> L. exceeded maximum residue limits while 13.33 % of ethoprofos and chlorfenvinp, 20% of profenofos and fenitrothion, 26.67 % of methamidophos, dimethoate and pirimiphos-methyl, 46.67% of malathion and 53.33% of chlorpyrifos levels in <i>Lactuca</i> <i>sativa</i> L. were exceeded the maximum residue limits. No significant difference was observed between the level of Pyrethroid and Organophosphorus residues which are above maximum residue limits in <i>Solanum</i> <i>macrocarpum</i> L. and <i>Lactuca</i> <i>sativa</i> L.<b> </b>The levels of Pyrethroid and Organophosphorus detected in vegetable samples show that the sanitary qualitary of these vegetables is affected.},
doi={10.12691/wjac-6-1-2}
publisher={Science and Education Publishing}
}