廊坊市市售蔬菜中农药残留的调查分析

目的调查廊坊市市售蔬菜中农药残留的情况并进行分析。方法应用《食品中化学污染物及有害因素监测技术手册》中气相色谱法,对7大类蔬菜进行抽样检测。结果廊坊市市售不同种类蔬菜农药残留检出情况为:鳞茎类检出率82.61%,超标率8.70%;叶菜类检出率29.03%,超标率14.52%;瓜类检出率18.18%,无超标样品;茄果类检出率16.00%,超标率4.00%;芸苔属类检出率5.00%,无超标样品;豆类、根茎类和薯芋类检测结果均小于最低检出限。超标样品中超范围使用的情况占超标份数的66.7%。秋季农药残留的检出率及超标率均高于春季。结论市售蔬菜中仍存在农药残留超标的现象,应继续加强监督管理,保障食品安全。

Investigation and analysis of pesticide residues in the market vegetables in Langfang city

Objective To investigate and analyze the pesticide residues of the vegetable in Langfang city. Methods Seven kinds of vegetables were detected by gas chromatography. Results The positive rates and the excessive rates of the different kinds of vegetables were described as followed: the bulbs of 82.61% and 8.7%, the leafy of 29.03% and 14.52%, the melons of 18.18% and 0, the eggplants of 16.00% and 4.00%, and the brassica of 5.0% and 0. All the positive rates of legumes, root and potato taro were 0. Obviously, the excessive rates in autumn were higher than those in spring. There is 66.7% of excessive samples belonged to the illegal use of the pesticides. Conclusion The excessive of pesticide residues in the vegetables is still serious, so the supervision and management must be strengthened to protect the public health.