Research and Application of In Situ Sample-Processing Methods for Rapid Simultaneous Detection of Pyrethroid Pesticides in Vegetables
Bo Mei,
Weiyi Zhang,
Meilian Chen,
Xia Wang,
Min Wang,
Yinqing Ma,
Chunyan Zhu,
Bo Deng,
Hongkang Wang,
Siwen Shen,
Jinrong Tong,
Mengfeng Gao,
Yiyi Han,
Dongsheng Feng
Affiliations
Bo Mei
Food Quality Supervision, Inspection and Testing Center of the Ministry of Agriculture and Rural Affairs (Shanghai), Shanghai Center of Agricultural Products Quality Safety, Shanghai 201708, China
Weiyi Zhang
Food Quality Supervision, Inspection and Testing Center of the Ministry of Agriculture and Rural Affairs (Shanghai), Shanghai Center of Agricultural Products Quality Safety, Shanghai 201708, China
Meilian Chen
Food Quality Supervision, Inspection and Testing Center of the Ministry of Agriculture and Rural Affairs (Shanghai), Shanghai Center of Agricultural Products Quality Safety, Shanghai 201708, China
Xia Wang
Food Quality Supervision, Inspection and Testing Center of the Ministry of Agriculture and Rural Affairs (Shanghai), Shanghai Center of Agricultural Products Quality Safety, Shanghai 201708, China
Min Wang
Food Quality Supervision, Inspection and Testing Center of the Ministry of Agriculture and Rural Affairs (Shanghai), Shanghai Center of Agricultural Products Quality Safety, Shanghai 201708, China
Yinqing Ma
Food Quality Supervision, Inspection and Testing Center of the Ministry of Agriculture and Rural Affairs (Shanghai), Shanghai Center of Agricultural Products Quality Safety, Shanghai 201708, China
Chunyan Zhu
Food Quality Supervision, Inspection and Testing Center of the Ministry of Agriculture and Rural Affairs (Shanghai), Shanghai Center of Agricultural Products Quality Safety, Shanghai 201708, China
Bo Deng
Food Quality Supervision, Inspection and Testing Center of the Ministry of Agriculture and Rural Affairs (Shanghai), Shanghai Center of Agricultural Products Quality Safety, Shanghai 201708, China
Hongkang Wang
Food Quality Supervision, Inspection and Testing Center of the Ministry of Agriculture and Rural Affairs (Shanghai), Shanghai Center of Agricultural Products Quality Safety, Shanghai 201708, China
Siwen Shen
Food Quality Supervision, Inspection and Testing Center of the Ministry of Agriculture and Rural Affairs (Shanghai), Shanghai Center of Agricultural Products Quality Safety, Shanghai 201708, China
Jinrong Tong
Food Quality Supervision, Inspection and Testing Center of the Ministry of Agriculture and Rural Affairs (Shanghai), Shanghai Center of Agricultural Products Quality Safety, Shanghai 201708, China
Mengfeng Gao
Food Quality Supervision, Inspection and Testing Center of the Ministry of Agriculture and Rural Affairs (Shanghai), Shanghai Center of Agricultural Products Quality Safety, Shanghai 201708, China
Yiyi Han
Food Quality Supervision, Inspection and Testing Center of the Ministry of Agriculture and Rural Affairs (Shanghai), Shanghai Center of Agricultural Products Quality Safety, Shanghai 201708, China
Dongsheng Feng
Food Quality Supervision, Inspection and Testing Center of the Ministry of Agriculture and Rural Affairs (Shanghai), Shanghai Center of Agricultural Products Quality Safety, Shanghai 201708, China
A novel rapid and cost-effective pre-processing method for the simultaneous determination of pyrethroid pesticides in vegetables has been developed and validated. The process of pesticide extraction was carried out by the QuEChERS (quick, easy, cheap, effective, rugged and safe) method combined with filtration by filter paper, and cleanup was carried out by the multi-plug-filtration-cleanup (m-PFC) method with no centrifuge program during the whole process. The pre-processing method is optimized for gas chromatography (GC). The process is convenient and time saving, requiring just a few seconds per sample. The recovery rate (70–120%), limit of detection (0.0001–0.007 mg/kg), precision (0.2–9.3%) and accuracy for each analyte were determined in 10 representative vegetables with good results. Finally, the feasibility of the developed method was further confirmed by the successful determination of pyrethroid-pesticide residues in pyrethroid-containing practical samples within the processing method coupled with thin-layer chromatography and a colloidal-gold test strip.
