- 期刊
- OpenAccess
Monitoring of Pesticide Residues in Fruits and Vegetables and Related Health Risk Assessment in Kumasi Metropolis, Ghana
並列摘要
The objective of present research study was to assess the concentration of pesticide residues in fruits and vegetables from markets in Kumasi and to generate awareness about the lethal effects of these pesticides on human beings as well as to estimate the potential health risks associated with the pesticide residue with regard to consumers. A total of 350 locally produced fruits and vegetables were purchased from six main markets in Kumasi and analyzed by gas chromatography equipped with electron capture detector for organochlorine (gamma-HCH, methoxychlor, aldrin, dieldrin, endrin, p,p'-DDE, p,p'-DDT) and pyrethroid (permethrin, cyfluthrin, cypermethrin, fenvalerate, deltamethrin) residues. The residual concentrations of selected pesticides in the various fruit and vegetable samples and the potential health risks associated with the exposure to these pesticides were also assessed. The results obtained showed that 37.5% of the fruit and vegetable samples analyzed contained no detectable level of the monitored pesticides, 19.0% of the samples gave results with levels of insecticides residues above the MRL, while 43.5% of the samples showed results below the MRL. The analysis of health risk estimates revealed that none of the pesticides exceeded the reference dose in both fruit and vegetables except endrin which exceeded reference dose in vegetables, suggesting a great potential for systemic toxicity in children considered the most vulnerable population subgroup. Based on observations made in these studies, it is proposed that more extensive monitoring investigation covering all fruits and vegetables in all the ten regions of Ghana be carried out to find the exact position of pesticide residues.
延伸閱讀
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