Korean Journal of Environmental Agriculture (한국환경농학회지)

The Korean Society of Environmental Agriculture (한국환경농학회)
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Enhancement of Analytical Method for Thidiazuron Residues and Monitoring of its Residues in Agricultural Commodities

농산물 중 thidiazuron 잔류분석법 개선 및 잔류실태 조사

  • Do, Jung-Ah (Pesticide and Veterinary Drug Residues Division, Department of Food Safety Evaluation, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety) ;
  • Lee, Mi-Young (Pesticide and Veterinary Drug Residues Division, Department of Food Safety Evaluation, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety) ;
  • Park, Hyejin (Pesticide and Veterinary Drug Residues Division, Department of Food Safety Evaluation, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety) ;
  • Kwon, Ji-Eun (Pesticide and Veterinary Drug Residues Division, Department of Food Safety Evaluation, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety) ;
  • Cho, Yoon-Jae (Pesticide and Veterinary Drug Residues Division, Department of Food Safety Evaluation, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety) ;
  • Chang, Moon-Ik (Pesticide and Veterinary Drug Residues Division, Department of Food Safety Evaluation, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety) ;
  • Oh, Jae-Ho (Food Safety Risk Assessment Division, Department of Food Safety Evaluation, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety) ;
  • Hong, Jin-Hwan (Food Safety Risk Assessment Division, Department of Food Safety Evaluation, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety)
  • 도정아 (식품의약품안전처 식품의약품안전평가원 식품위해평가부 잔류물질과) ;
  • 이미영 (식품의약품안전처 식품의약품안전평가원 식품위해평가부 잔류물질과) ;
  • 박혜진 (식품의약품안전처 식품의약품안전평가원 식품위해평가부 잔류물질과) ;
  • 권지은 (식품의약품안전처 식품의약품안전평가원 식품위해평가부 잔류물질과) ;
  • 조윤제 (식품의약품안전처 식품의약품안전평가원 식품위해평가부 잔류물질과) ;
  • 장문익 (식품의약품안전처 식품의약품안전평가원 식품위해평가부 잔류물질과) ;
  • 오재호 (식품의약품안전처 식품의약품안전평가원 식품위해평가부 식품위해평가과) ;
  • 홍진환 (식품의약품안전처 식품의약품안전평가원 식품위해평가부 식품위해평가과)
  • Received : 2013.02.05
  • Accepted : 2013.08.02
  • Published : 2013.09.30
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Abstract

BACKGROUND: This study was conducted to develop analytical method with reproducibility, accuracy and applicability to agricultural products than the existing methods. METHODS AND RESULTS: Mean recoveries of thidiazuron ranged from 89.2 to 91.2 in hulled rices, 87.2 to 92.1 in peppers, from 76.4 to 86.9 in potatoes, from 91.2 to 95.7 in watermelons, from 86.5 to 88.5 in kiwi fruits, and from 89.5 to 94.0 in grapes, with less than 10% of relative standard deviations. In addition, the limit of quantitation was set to be 0.05 mg/kg and there were no interfering peaks in integrating the thidiazuron peak. CONCLUSION(S): These results represent that the enhanced analytical method has reliable accuracy, precision, selectivity, and sensitivity.

Thidiazuron은 1976년 Plant Physiology 발표를 통해 생장조정제로 알려진 이후, 현재 우리나라에서도 생장조정제로 수박과 참외의 착과 증진 및 참다래의 과실비대 촉진, 포도의 과립 비대 증진 및 착립 증진 등을 위해 등록되어 사용되고 있다. Thidiazuron의 분석법은 식품공전에 수재되어 있으나, 등재 당시의 기술 이용, 일부 시험 대상 품목에 대한적용 등으로, 최근의 잔류허용기준 설정 품목의 증가와 분석기기 및 기술 발달을 반영하여 검증된 분석법으로 개선코자 하였다. 더불어, 개발된 분석법을 활용하여, thidiazuron의 사용이 허가되어 있는 수박, 키위, 포도를 포함한 국민 다소 비 식품 17품목에 대한 잔류실태조사도 수행하였다. 개발된 분석법의 회수율은, 현미 89.2~91.2 %, 고추 87.2~92.1 %, 감자 76.4~86.9 %, 수박 91.2~95.7 %, 키위 86.5~88.5 %, 포도 89.5~94.0 % 였으며, 반복 회수율 간 변이계수는 10 % 이하였다. 또한 개발된 분석법으로 우리나라에서 유통되고 있는 다소비 농산물 쌀, 상추, 사과 등 17품목 358건에 대해 농약 잔류실태를 조사한 결과 모든 시료에서 thidazulon은 검출되지 않았다.

Keywords

References

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