The Korean Journal of Pesticide Science (농약과학회지)

The Korean Society of Pesticide Science (한국농약과학회)
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Residual characteristics of azoxystrobin and difenoconazole in ginseng

Azoxystrobin과 difenoconazole의 인삼 중 잔류 특성

  • Noh, Hyun-Ho (Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environmental Sciences, Chungbuk National University) ;
  • Lee, Jae-Yun (Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environmental Sciences, Chungbuk National University) ;
  • Park, So-Hyun (Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environmental Sciences, Chungbuk National University) ;
  • Lee, Kwang-Hun (Dong Bang Agro Corp., Residue Technical Research Institute) ;
  • Oh, Jae-Ho (National Institute of Food and Drug Safety Evaluation) ;
  • Im, Moo-Hyeog (Korea Food and Drug Administration) ;
  • Kyung, Kee-Sung (Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environmental Sciences, Chungbuk National University)
  • 노현호 (충북대학교 농업생명환경대학 환경생명화학과) ;
  • 이재윤 (충북대학교 농업생명환경대학 환경생명화학과) ;
  • 박소현 (충북대학교 농업생명환경대학 환경생명화학과) ;
  • 이광헌 ((주)동방아그로 기술연구소) ;
  • 오재호 (식품의약품안전평가원) ;
  • 임무혁 (식품의약품안전청) ;
  • 경기성 (충북대학교 농업생명환경대학 환경생명화학과)
  • Received : 2012.06.02
  • Accepted : 2012.06.22
  • Published : 2012.06.30
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Abstract

This study was carried out to elucidate residual characteristics of azoxystrobin and difenoconazole in fresh ginseng. Test pesticides were sprayed onto ginseng both in 2009 for 3-year-old ginseng and in 2010 for 4-year-old ginseng according to their pre-harvest intervals (PHIs). Limit of quantitation (LOQ) of both azoxystrobin and difenoconazole was 0.003 mg/kg. Analytical methods set up for the test pesticides were considered to be suitable for the analysis of their residues in fresh ginseng, considering that their recoveries ranged from 87.58 to 112.79%. Concentration of azoxystrobin in 3-year-old ginseng ranged from 0.004 to 0.011 mg/kg and that in 4-year-old ginseng ranged from 0.007 to 0.016 mg/kg. Amounts of difenoconazole in 3- and 4-year-old ginsengs were from 0.003 to 0.007 and from 0.007 to 0.01 mg/kg, respectively, representing no accumulation effect observed in residue amount between them.

수삼 중 azoxystrobin과 difenocoanzole의 잔류특성을 구명하기 위하여 2009년 3년근 수삼에 시험농약을 안전사용기준에 따라 2년간 살포한 후 잔류량을 분석하였으며, 시험농약의 정량한계는 0.003 mg/kg이었다. 회수율이 87.58-112.79%임을 감안할 때 수삼 중 잔류농약 분석법은 적합하였다. 3년근 및 4년근 수삼 중 azoxystrobin의 잔류량은 각각 0.004-0.011 mg/kg과 0.007-0.016 mg/kg이었으며, difenoconazole은 3년근과 4년근 수삼에 0.003-0.007 mg/kg과 0.007-0.01 mg/kg 잔류하여 누적잔류특성은 나타나지 않았다.

Keywords

References

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