Residue level and health risk assessment of organophosphorus pesticides in eggplant and cauliflower collected from Dhaka City Bangladesh

Khan M. S. I., . and Kaium A., . and Begum N., . and Chowdhury M. T. I., . and Habib M., . and Islam M. A., . and Prodhan M. D. H., . Residue level and health risk assessment of organophosphorus pesticides in eggplant and cauliflower collected from Dhaka City Bangladesh. pp. 369-377. ISSN 2550-2166

Residue levels of seven organophosphorus pesticides in two vegetables (eggplant and cauliflower) collected from major markets of Dhaka city Bangladesh were analysed. The collected samples were analysed using a modified Quick Easy Cheap Effective Rugged and Safe (QuEChERS) extraction technique by Gas Chromatography coupled with Flame Thermionic Detector (GC-FTD). Among the 50 analysed samples of the eggplant 12 samples contained residues of chlorpyrifos (0.3840.980 mg/kg) 6 samples contained residue of dimethoate (0.0520.132 mg/kg) and 2 samples contained residue of diazinon (0.01 mg/kg). Whereas among the 50 samples of cauliflower 12 samples contained residues of chlorpyrifos (0.0560.540 mg/kg) 8 samples contained residues of diazinon (0.0330.42 mg/kg) and 2 samples contained residues of quinalphos (0.06 mg/kg). The chlorpyrifos was found as the most frequently detected organophosphorus pesticide. Among the 21 contaminated samples 20 were above EU-MRL. Short and long-term health risk assessment based on ARfD and ADI indicates that the intake risks of eggplant and cauliflower were in the acceptable range. Nevertheless establishing strong monitoring and traceability system together with controlling pre-harvest interval needed to ensure food safety consumer confidence and promote vegetable export from Bangladesh.

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Abstract

Residue levels of seven organophosphorus pesticides in two vegetables (eggplant and cauliflower) collected from major markets of Dhaka city Bangladesh were analysed. The collected samples were analysed using a modified Quick Easy Cheap Effective Rugged and Safe (QuEChERS) extraction technique by Gas Chromatography coupled with Flame Thermionic Detector (GC-FTD). Among the 50 analysed samples of the eggplant 12 samples contained residues of chlorpyrifos (0.3840.980 mg/kg) 6 samples contained residue of dimethoate (0.0520.132 mg/kg) and 2 samples contained residue of diazinon (0.01 mg/kg). Whereas among the 50 samples of cauliflower 12 samples contained residues of chlorpyrifos (0.0560.540 mg/kg) 8 samples contained residues of diazinon (0.0330.42 mg/kg) and 2 samples contained residues of quinalphos (0.06 mg/kg). The chlorpyrifos was found as the most frequently detected organophosphorus pesticide. Among the 21 contaminated samples 20 were above EU-MRL. Short and long-term health risk assessment based on ARfD and ADI indicates that the intake risks of eggplant and cauliflower were in the acceptable range. Nevertheless establishing strong monitoring and traceability system together with controlling pre-harvest interval needed to ensure food safety consumer confidence and promote vegetable export from Bangladesh.

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Item Type:	Article
AGROVOC Term:	Pesticide residues
AGROVOC Term:	Cauliflowers
AGROVOC Term:	Eggplant
AGROVOC Term:	Organophosphorus compounds
AGROVOC Term:	Extraction
AGROVOC Term:	Gas chromatography
AGROVOC Term:	Risk assessment
AGROVOC Term:	Chlorpyrifos
AGROVOC Term:	Dimethoate
AGROVOC Term:	Diazinon
Depositing User:	Mr. AFANDI ABDUL MALEK
Last Modified:	24 Apr 2025 00:55
URI:	http://webagris.upm.edu.my/id/eprint/10489

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