[Analysis of pesticides residues in food samples in Shaanxi Province during 2013-2015].

ABSTRACT

OBJECTIVE: To investigate the status of pesticides residues in vegetables, fruits, edible mushrooms and tea bags in Shaanxi Province. METHODS: Ten cities in Shaanxi Province were selected as monitoring area, pesticides residues in food were detected by gas chromatograph-mass spectrometry. RESULTS: The total detection rate of pesticide residues was 15. 60%( 159/1019). The detection rate of pesticides in vegetables, fruits, edible mushrooms and tea bag was 18. 64%, 15. 00%, 4. 68% and23. 63%, respectively. The detection rate of organophosphorus, carbamate, pyrethroid and organochlorine was 7. 36%, 6. 48%, 8. 34% and 5. 79%, respectively. Methyl parathion, parathion, omethoate, cyhalothrin, cyhalothrin and cypermethrin were still overused in the vegetables, and the total exceeding rate was 1. 51%. CONCLUSION: The pesticides in food were detected in Shaanxi Province, but the total of exceeding standard is below the national level.