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A Safety Survey on Pesticide Residues in Dried Agricultural Products

건조농산물의 잔류농약 안전성 조사

  • Lee, Hyo-Kyung (Suwon Agricultural and Fishery Products Inspection Center, Gyeonggi-do Institute of Health and Environment) ;
  • Oh, Moon-Seog (Suwon Agricultural and Fishery Products Inspection Center, Gyeonggi-do Institute of Health and Environment) ;
  • Jeong, Jin-A (Suwon Agricultural and Fishery Products Inspection Center, Gyeonggi-do Institute of Health and Environment) ;
  • Kim, Ki-Yu (Suwon Agricultural and Fishery Products Inspection Center, Gyeonggi-do Institute of Health and Environment) ;
  • Lee, Seong-Bong (Suwon Agricultural and Fishery Products Inspection Center, Gyeonggi-do Institute of Health and Environment) ;
  • Kim, Han-Taek (Suwon Agricultural and Fishery Products Inspection Center, Gyeonggi-do Institute of Health and Environment) ;
  • Kang, Hyang-Ri (Suwon Agricultural and Fishery Products Inspection Center, Gyeonggi-do Institute of Health and Environment) ;
  • Son, Ji-Hee (Suwon Agricultural and Fishery Products Inspection Center, Gyeonggi-do Institute of Health and Environment) ;
  • Lee, Yun-Mi (Suwon Agricultural and Fishery Products Inspection Center, Gyeonggi-do Institute of Health and Environment) ;
  • Lee, Mi-Kyoung (Suwon Agricultural and Fishery Products Inspection Center, Gyeonggi-do Institute of Health and Environment) ;
  • Lee, Byoung-Hoon (Suwon Agricultural and Fishery Products Inspection Center, Gyeonggi-do Institute of Health and Environment) ;
  • Kim, Ji-Won (Suwon Agricultural and Fishery Products Inspection Center, Gyeonggi-do Institute of Health and Environment) ;
  • Park, Yong-Bae (Suwon Agricultural and Fishery Products Inspection Center, Gyeonggi-do Institute of Health and Environment)
  • 이효경 (경기도보건환경연구원 수원농수산물검사소) ;
  • 오문석 (경기도보건환경연구원 수원농수산물검사소) ;
  • 정진아 (경기도보건환경연구원 수원농수산물검사소) ;
  • 김기유 (경기도보건환경연구원 수원농수산물검사소) ;
  • 이성봉 (경기도보건환경연구원 수원농수산물검사소) ;
  • 김한택 (경기도보건환경연구원 수원농수산물검사소) ;
  • 강향리 (경기도보건환경연구원 수원농수산물검사소) ;
  • 손지희 (경기도보건환경연구원 수원농수산물검사소) ;
  • 이윤미 (경기도보건환경연구원 수원농수산물검사소) ;
  • 이미경 (경기도보건환경연구원 수원농수산물검사소) ;
  • 이병훈 (경기도보건환경연구원 수원농수산물검사소) ;
  • 김지원 (경기도보건환경연구원 수원농수산물검사소) ;
  • 박용배 (경기도보건환경연구원 수원농수산물검사소)
  • Received : 2019.05.01
  • Accepted : 2019.08.02
  • Published : 2019.08.30

Abstract

We performed a safety survey on residual pesticides in dried agricultural products. A total of 110 samples of dried agricultural products distributed in Gyeonggi-do were analyzed for 263 pesticides according to multi class pesiticide multiresidue method. Ten types of pesticides were detected in 10 samples. Chlorpyrifos was detected in Ricinus communis leaves, chlorpyrifos, hexaconazole, pyridalyl in Chwinamul (wild aster), diniconazole, isoprothiolane, lufenuron in radish leaves, hexaconazole in Cirsium setidens (Korean thistle), bifenthrin, and chlorothalonil, boscalid, and pyraclostrobin in pepper leaves. The detection rate of pesticides was 9.1%, and among these samples, one was detected over Maximum Residue Limits (MRLs). In the validation study, the values of limit of detection (LOD), limit of quantitation (LOQ), coefficient of determination ($R^2$) and recovery were in the range of 0.002~0.027 mg/kg, 0.006~0.083 mg/kg, 0.9964~1.0000 and 74.8~118.9%, respectively. The Positive List System (PLS) was newly introduced as part of the safety management of residual pesticide in agricultural products in Korea in 2019. With the application of the PLS, if the MRL is not established, 0.01 mg/kg limit is applied uniformly. In spite, these of strengthened residue limits, the MRLs of dried agricultural products are still insufficient. Therefore, this study could be utilized as basic data for the setting of proper MRLs.

본 연구에서는 건조농산물의 잔류농약 안전성 조사를 위해 경기도에서 유통되는 건조농산물 110건을 수거하여 다종농약다성분 분석법으로 잔류농약 263종을 검사하였다. 조사 결과 총 10건의 시료에서 10종의 잔류농약이 검출되었으며, 건피마자에서 chlorpyrifos, 건취나물에서 chlorpyrifos, hexaconazole, pyridalyl, 무시래기에서 diniconazole, isoprothiolane, lufenuron, 건곤드레에서 hexaconazole, 건고춧 잎에서 bifenthrin, chlorothalonil, boscalid, pyraclostrobin이 각각 검출되었다. 검출률은 9.1%였으며, 이 중 건피마자 1건에서 chlorpyrifos가 잔류허용기준을 초과하였고 부적합률은 0.9%로 나타났다. 유효성 검증 실험 결과 검출한계(LOD)는 0.002~0.027 mg/kg, 정량한계(LOQ)는 0.006~0.083 mg/kg으로 나타났으며, 결정계수($R^2$)는 0.9964~1.0000으로 나타났다. 회수율은 전반적으로 74.8~118.9%로 나타났다. 2019년부터 PLS가 시행됨에 따라 농산물에 대한 안전성 관리가 강화되었지만 건조농산물의 경우 잔류허용기준이 미비하기 때문에 본 연구는 향후 기준 설정을 위한 기초자료로 제공하고자 한다.

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