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Residual Characteristics of Fluquinconazole and Flusilazole in Tomatoes during Greenhouse Cultivation and Processing

토마토 중 fluquinconazole과 flusilazole의 포장 및 가공에 따른 잔류특성

  • Noh, Hyun Ho (Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environment Sciences, Chungbuk National University) ;
  • Lee, Jae Yun (Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environment Sciences, Chungbuk National University) ;
  • Park, Hyo Kyoung (Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environment Sciences, Chungbuk National University) ;
  • Jeong, Hye Rim (Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environment Sciences, Chungbuk National University) ;
  • Jin, Me Jee (Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environment Sciences, Chungbuk National University) ;
  • Lee, Jung Woo (Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environment Sciences, Chungbuk National University) ;
  • Jeong, Heon Sang (Department of Food Science and Biotechnology, College of Agriculture, Life and Environment Sciences, Chungbuk National University) ;
  • Lee, Sang Hoon (Department of Agrofood Resources, National Academy of Agricultural Sciences, Rural Development Administration) ;
  • Kyung, Kee Sung (Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environment Sciences, Chungbuk National University)
  • 노현호 (충북대학교 농업생명환경대학 환경생명화학과) ;
  • 이재윤 (충북대학교 농업생명환경대학 환경생명화학과) ;
  • 박효경 (충북대학교 농업생명환경대학 환경생명화학과) ;
  • 정혜림 (충북대학교 농업생명환경대학 환경생명화학과) ;
  • 진미지 (충북대학교 농업생명환경대학 환경생명화학과) ;
  • 이정우 (충북대학교 농업생명환경대학 환경생명화학과) ;
  • 정헌상 (충북대학교 농업생명환경대학 식품생명공학과) ;
  • 이상훈 (농촌진흥청 국립농업과학원 농식품자원부) ;
  • 경기성 (충북대학교 농업생명환경대학 환경생명화학과)
  • Received : 2017.03.09
  • Accepted : 2017.03.21
  • Published : 2017.03.31

Abstract

This study was carried out to investigate residue dissipation of fluquinconazole and flusilazole in field-sprayed tomatoes during greenhouse cultivation and processing. The test pesticide, fluquinconazole+flusilazole 8.5 (7+1.5)% SC, was sprayed onto the tomatoes growing in a greenhouse according to Korea preharvest intervals and then samples were collected on 0 (3 hours after spraying), 1, 3, 5 and 7 days after last application for decline test. For processing test, tomatoes collected at harvest on 5 day after last application were processed to puree and juice. Limits of quantitation of fluquinconazole and flusilazole were 0.005 mg/kg in both tomatoes and their processed products. Recoveries for validation of the analytical methods for fluquinconazole and flusilazole in tomatoes and their processed products ranged from 74.8 to 97.5%. Biological half-lives of fluquinconazole and flusilazole in tomatoes under greenhouse conditions found to be 5.2 and 6.4 days, respectively. Average persistent residue levels of fluquinconazole and flusilazole were 37.34 and 79.53% after washing, 8.95 and 28.75% in filtrates after boiling, 3.58 and 14.66% in puree, and 3.34 and 13.52% in juice, respectively. These results indicated that the test pesticide residues on tomatoes could be largely removed through washing and boiling.

Keywords

Fluquinconazole;flusilazole;half-life;processing;tomato

Acknowledgement

Supported by : 충북대학교

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