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Investigation of residual tricyclazole and its risk assessment in Korean sundried salts

국내 생산 천일염의 트리사이클라졸 잔류 및 위해성 평가

  • Kim, Jin-Hyo (Chemical Safety Division, National Academy of Agricultural Scineces, RDA) ;
  • Choi, Geun-Hyung (Chemical Safety Division, National Academy of Agricultural Scineces, RDA) ;
  • Lee, Ji-Ho (Chemical Safety Division, National Academy of Agricultural Scineces, RDA) ;
  • Kwon, Oh-Kyung (Chemical Safety Division, National Academy of Agricultural Scineces, RDA)
  • 김진효 (농촌진흥청 국립농업과학원 화학물질안전과) ;
  • 최근형 (농촌진흥청 국립농업과학원 화학물질안전과) ;
  • 이지호 (농촌진흥청 국립농업과학원 화학물질안전과) ;
  • 권오경 (농촌진흥청 국립농업과학원 화학물질안전과)
  • Received : 2012.07.11
  • Accepted : 2012.08.20
  • Published : 2012.09.30

Abstract

Sundried salt was recently registered in food category in Korea in 2008, and food hygiene regulation only applied to several heavy metals and a few inorganic ions. In this report, we investigated the residual amounts of tricyclazole, a highly concerned contaminant from agricultural activity, and estimated their daily intake and hazard index. All 60 sundried salts were collected by region, and qualitatively and quantitatively were analyzed with GC-NPD. In this investigation, only three samples were confirmed the residual tricyclazole in sundried salts. Their maximum residue was $1.7{\mu}g/kg$, and their estimated average daily intake was $2.40{\times}10^{-8}{\sim}6.22{\times}10^{-8}mg/kg-day$. From these results, HI of tricyclazole for sundried salts was $7.53{\times}10^{-7}{\sim}2.07{\times}10^{-6}$ for Koreans, and the values were not considered as serious risk issues currently.

국내에서 천일염은 2008년 이후 처음 식품으로 분류되면서, 중금속 등과 같은 무기물 성분에 대한 잔류허용 기준이 설정되어 있지만, 염전 인근 농경지에서 발생하는 농약류의 간접 오염우려가 높다. 본 논문에서는 인근 농경지를 통한 유입 가능성이 높은 수도용 살균제 트리사이클라졸(tricyclazole) 대하여 정량 잔류분석을 실시하고, 그 결과를 토대로 위해성 평가를 수행하였다. 20개 지역 60점의 천일염 중 3개 시료에서 검출한계 $0.2{\mu}g/kg$ 이상이 검출되었으며, 최대 잔류량은 $1.7{\mu}g/kg$으로 극미량임을 확인할 수 있었다. 잔류결과를 토대로 한 노출평가 결과 성인(20~65세 이상) 평균 $6.22{\times}10^{-8}mg/kg-day$, 유아(1~2세) 평균 $2.40{\times}10^{-8}mg/kg-day$로 확인되었으며, 노출량을 기준으로 위해성 평가결과 HI(hazard index)는 전 연령층에서 평균 $7.53{\times}10^{-7}{\sim}2.07{\times}10^{-6}$ 확인되었다. 특히, 이러한 결과는 $95^{th}$ percentile 값에서도 $7.98{\times}10^{-6}$로 나타났다. 따라서, 현재 국내에 유통되고 있는 국내산 천일염의 트리사이클라졸 잔류량이 인체에 독성영향을 유발할 가능성이 없음을 의미한다.

Keywords

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