The investigation of organophosphorus pesticide residues in vegetables and fruits in Shnxi area / 西安交通大学学报(医学版)

ABSTRACT

Objective To investigate the organophosphorus pesticide residues in vegetables and fruits in Shnxi area so as to take preventive measures to minimize food contamination. Methods A total of 140 samples of vegetables and fruits were obtained randomly from the local market in Shnxi area. Eight organophosphorus pesticides were analyzed by gas-chromatographic method. Results The incidence of organophosphorus pesticide residues in vegetables and fruits were 20% and 1.7%, respectively. The mean level of parathion in vegetables and dimethoate in fruits were 6.22?g/kg and 3.02?g/kg, exceeding their MRLs. Conclusion There is a misuse of organophosphorus pesticides in Shnxi area and routine monitoring is necessary to reduce food contamination before entering market.