杭州市市售蔬菜拟除虫菊酯类农药残留现状调查分析

Investigation on the pyrethrin pesticide residues in vegetables in Hangzhou city

目的了解杭州地区市售蔬菜拟除虫菊酯类农药残留情况。方法 2012年随机抽样检测全市各大农贸菜场及超市的蔬菜。采用气相色谱法对21种蔬菜中的8种拟除虫菊酯类农药残留量进行测定。结果 2012年度,共采集蔬菜样品95份,拟除虫菊酯类农药总检出率为12.6%,总超标率为2.1%。在检的8种拟除虫菊酯农药中,氯氟氰菊酯的检出率最高。结论 2012年杭州市市售蔬菜拟除虫菊酯类农药检出率较高,但超标率较低。

Objective To investigate the status of pyrethrin pesticide residues in market vegetables in Hangzhou city. Methods Vegetables were sampled randomly from farm fair and supermarkets in Hangzhou city in 2012. Eight kinds of pyrethrin pesticides residues in samples were determined by gas chromatography. Results A total of 95 vegetable samples were detected, the total detection rate of the pyrethrin pesticide was 12.6%, while the exceeding rate was 2.1%. Cyhalothrin was most frequently detected in all the 8 pyrethrin pesticides. Conclusion In 2012, the detection rate of pyrethrin pesticide residues in market vegetables of Hangzhou city was higher, but the exceeding rate was at a relatively low level.