Korean Journal of Food Science and Technology (한국식품과학회지)

Korean Society of Food Science and Technology (한국식품과학회)
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Risk Assessment of Mercury through Food Intake for Korean Population

식품 중 수은 위해평가

  • Choi, Hoon (Food Contaminants Divisions, Food Safety Evaluation Department, National Institute of Food and Drug Safety Evaluation) ;
  • Park, Sung-Kug (Food Contaminants Divisions, Food Safety Evaluation Department, National Institute of Food and Drug Safety Evaluation) ;
  • Kim, Mee-Hye (Food Contaminants Divisions, Food Safety Evaluation Department, National Institute of Food and Drug Safety Evaluation)
  • 최훈 (식품의약품안전평가원 식품위해평가부 오염물질과) ;
  • 박성국 (식품의약품안전평가원 식품위해평가부 오염물질과) ;
  • 김미혜 (식품의약품안전평가원 식품위해평가부 오염물질과)
  • Received : 2011.08.08
  • Accepted : 2011.11.02
  • Published : 2012.02.29
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Abstract

The present study was conducted to assess the dietary exposure to mercury and the associated risks for Koreans resulting from their food intake. The probabilistic approach in the Monte Carlo simulation was used to estimate dietary exposures. Based on several reports regarding heavy metals published by KFDA in the 2000s, 178 types of representative foods were selected and data were collected on the occurrence of mercury. The contents of mercury in foods ranged: agricultural products 0.1 (fruits)-45.4 ${\mu}g/kg$ (mushrooms), 3.7 ${\mu}g/kg$ (meat), and 9.3 (Echinodermata, chordata)-194.9 ${\mu}g/kg$ (fish). Others categories investigated were alcoholic beverages (0.7 ${\mu}g/kg$) and processed food (4.4 ${\mu}g/kg$). The mean and 95th percentile for exposure to dietary mercury were 4.29 and 12.48 ${\mu}g/day$, corresponding to 13.6% and 39.7% of PTWI (Provisional Tolerable Weekly Intake), respectively. Therefore, overall level of mercury exposure for Koreans through food intake is below levels recommended by JECFA, indicating the least possibility of risk, and is less than or similar to levels reported in other countries.

국내 식품의 수은 함량 실태를 검토하여 우리나라 국민의 중금속 노출수준에 따른 안전성을 평가하고자 하였다. 우리나라 국민 전체의 중금속 노출수준을 파악하기 위하여 Monte-Carlo simulation에 기반을 둔 확률론적(probabilistic) 위해평가를 실시하였다. 노출평가를 통해 추정된 인구집단의 식이를 통한 중금속 노출량으로부터 JECFA에서 제시한 PTWI 대비 위해도(%)를 산출하여 노출수준의 위해정도를 확인하였다. 본 연구에서 중금속 안전성 평가를 위한 대상 식품 선정은 식품의약품안전청에서 2000년대에 수행한 중금속 관련 연구과제 중 중금속 함량 원시자료가 확보된 178 식품 품목, 17,965건에 대하여 실시하였다. 식품섭취량 및 체중은 질병관리본부에서 발간한 '국민건강영양조사 4기 2차년도(2008년)' 자료를 활용하였다. 수은 함량은 농산물이 0.115(과실류)-45.448(버섯류) ${\mu}g/kg$이었고 육류는 3.723 ${\mu}g/kg$, 수산물은 9.344(극피 척색류)-194.914(어류) ${\mu}g/kg$, 가공식품에는 0.680(주류)-4.412(가공식품) ${\mu}g/kg$이었다. 식품을 통한 수은 섭취량은 4.29 ${\mu}g/kg$으로 PTWI 대비 13.6% 수준이었으며, 극단(P95) 섭취량은 12.48 ${\mu}g/day$로 PTWI 대비 39.7% 수준이었다. 따라서, 우리나라 국민의 식이를 통한 수은 노출은 위해우려가 낮은 수준이었으며 이는 제외국과 유사하거나 낮은 수준이었다.

Keywords

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