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엇갈이배추 및 시금치 중 Fenpropathrin의 잔류 특성
안희연 ( Hee-yeon Ahn ),유지우 ( Ji-woo Yu ),송민호 ( Min-ho Song ),신승찬 ( Seung-chan Shin ),김장억 ( Jang-eok Kim ),김태화 ( Tae-hwa Kim ),이지호 ( Jiho Lee ),금영수 ( Young-soo Keum ) 한국환경농학회 2022 한국환경농학회 학술대회집 Vol.2022 No.-
According to the rising demand of minor crops, interest of the residual pesticides is increased. However, maximum residue limits(MRL) of many minor crops are still being established. Therefore, fenpropathrin was selected to establish MRL in the minor crops; korean cabbage, spinach. Fenpropathrin is synthetic pyrethroid insecticide which interfere with the kinetics of sodium channels causing paralysis of insects. The pesticide was applied three times with 7 days intervals. Fenpropathrin in korean cabbage and spinach was extracted with QuEChERS method. The results of residual pesticides were obtained with gas chromatography-triple quadrupole mass spectrometer (GC-MSMS). The limits of quantitation (LOQ) of fenpropathrin in both crops were 0.01 mg/kg. The recovery tests at 3 levels (LOQ, 10 folds of LOQ, and the highest concentration levels of pesticide detected) were in the range of 70 to 120%. The samples were extracted based on established quantitative method using GC-MSMS. The dissipation pattern of fenpropathrin in korean cabbage and spinach was inspected by analyzing the daily residual amount of pesticide. The results will give fundamental data for the establishment of MRL of minor crops.