The Korean Journal of Pesticide Science (농약과학회지)

The Korean Society of Pesticide Science (한국농약과학회)
권호 표지

Comparative study of PCDDs/DFs concentration in crop and its cultural environment

작물재배환경 중 다이옥신 잔류함량 비교연구

  • Kwon, Oh-Kyung (National Institute of Agricultural Science and Technology, RDA) ;
  • Eun, Hee-Soo (National Institute for Agro-Environmental Sciences) ;
  • Choi, Dal-Soon (National Institute of Agricultural Science and Technology, RDA) ;
  • Hong, Su-Myeong (National Institute of Agricultural Science and Technology, RDA) ;
  • Kwon, Hye-Young (National Institute of Agricultural Science and Technology, RDA) ;
  • Choi, Joo-Hyun (National Institute of Agricultural Science and Technology, RDA)
  • 권오경 (농업과학기술원 유해물질과) ;
  • 은희수 (일본 농업환경기술연구소) ;
  • 최달순 (농업과학기술원 유해물질과) ;
  • 홍수명 (농업과학기술원 유해물질과) ;
  • 권혜영 (농업과학기술원 유해물질과) ;
  • 최주현 (농업과학기술원 유해물질과)
  • Published : 2006.06.30
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Abstract

The objective of this study was to compare dioxin contents in spinach, soil and air and to evaluate the relation of dioxin concentrations in crop and its cultural environment. Sample weighing for the precise peak detection in dioxin analysis was also determined. The fragmentogram of HpCDFs, and especially OCDF, indicated different pattern from that of TeCDD/F, PeCDD/Fs and HxCDDs/Fs, which showed the same pattern. In case of field culture spinach (wet sample 2 kg) in Japan, peak of OCDF could be detected clearly, while market spinach (wet sample 1 kg) showed the only baseline detection. The result makes it possible to suppose the fact that production place of market spinach was not contaminated with OCDF, but atmospheric pattern of production place was similar to that of open field sample. So we could decide that the sample of agricultural crops were needed more than 2 kg in wet weight for the evaluation of precise peak The total tendency of dioxin concentration levels in field culture spinach may be affected by OCDD and HCDF distributed in soil. However, on the whole the major factor seems to be the atmospheric deposition.

일본의 시중 판매 및 노지재배 시금치 중 다이옥신 잔류함량을 평가하여 다이옥신 분석에 적정한 농산물 시료량을 검토함과 동시에 농작물과 재배환경 중 잔류함량 상관성에 대하여 다이옥신 동족체별로 비교 연구하였다. 1 Kg 미만을 처리한 시판되는 시금치의 OCDF은 베이스라인에 가깝게 검출되었으나, 2 kg 이상을 처리한 노지재배 시금치의 경우 확실하게 검출되었다. 시판 시금치 재배환경의 대기 중 다이옥신 동족체별 잔류함량 경향이 노지재배 시금치의 재배환경과 유사한 경향을 나타내므로, 정확한 다이옥신 peak 평가를 하기 위해서는 2 kg이상의 시료가 필요하다는 결과를 얻었다. 또한 노지재배 시금치 잎 중 다이옥신 동족체별 잔류함량의 전체 경향을 비교하면 토양에 분포하고 있는 OCDD와 HCDF의 영향을 받은 듯하나 전체적으로는 대기 강하물에 의한 영향이 주요 요인으로 판단된다.

Keywords

References

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