毕节市茶叶农药残留监测与对策分析

Monitoring and Countermeasures of Tea Pesticide Residues in Bijie City

[目的]对毕节市茶叶农药残留进行监测与对策分析。[方法]采用氨基柱固相萃取—气相色谱法初步检测样品中18种有机磷和有机氯类农药含量情况。[结果]通过定性和定量分析结果表明样品检测合格率为100%,而部分限用农药如毒死蜱、百菌清、乙酰甲胺磷、三唑酮、联苯菊酯、溴氰菊酯等12种有检出,禁用农药无检出。[结论]该研究可为完善茶叶产品质量检验检测标准提供相应的理论和数据支持。

[Objective]To monitor the tea pesticide residues in Bijie City and analyze countermeasure.[Method]Eighteen kinds of organophosphorus and organochlorine pesticides content in the samples had been preliminarily tested with amino column solid phase extraction-gas chromatography.[Result]Through qualitative and quantitative analysis,the results showed that sample detection qualified rate was 100%,and twelve kinds of restricted use of pesticides such as chlorpyrifos,chlorothalonil,methamidophos,triadimefon,biphenyl chrysanthemum ester,deltamethrin had been detected,banned pesticides had not been detected.[Conclusion]This study provided corresponding theory and data support for improving the quality inspection and testing standard of tea products.