Journal of Food Hygiene and Safety (한국식품위생안전성학회지)

The Korean Society of Food Hygiene and Safety (한국식품위생안전성학회)
권호 표지

A Probabilistic Assessment of Human Health Risk from Arsenic-Contaminated Rice Grown Near The Mining Areas of Korea

  • Paik, Min-Kyoung (Department of Crop Life Safety, National Academy of Agricultural Science, Rural Development Administration) ;
  • Kim, Won-Il (Department of Crop Life Safety, National Academy of Agricultural Science, Rural Development Administration) ;
  • Yoo, Ji-Hyock (Department of Crop Life Safety, National Academy of Agricultural Science, Rural Development Administration) ;
  • Kim, Jin-Kyoung (Department of Crop Life Safety, National Academy of Agricultural Science, Rural Development Administration) ;
  • Im, Geon-Jae (Department of Crop Life Safety, National Academy of Agricultural Science, Rural Development Administration) ;
  • Hong, Moo-Ki (Department of Crop Life Safety, National Academy of Agricultural Science, Rural Development Administration)
  • Received : 2010.01.08
  • Accepted : 2010.04.02
  • Published : 2010.06.30
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Abstract

Chronic exposure to Arsenic (As) causes significant human health effects including various cancers. Total As concentrations from 300 polished rice samples cultivated near the mining areas in Korea were analyzed to estimate a probabilistic assessment of human health risk from As-contaminated rice. The mean of total As concentrations in rice was 0.09 mg/kg and lognormal distribution model was set for total As concentrations. Human health risk for As in rice was estimated using gender-specific rice consumption data and average daily dose (ADD). While cancer risk (CR) and hazard quotient (HQ) were calculated using oral cancer slope factor (OCSF) and Reference dose (RfD) suggested by the U.S. EPA. Mean of CR posed by total As was 2.16 (for male) and 1.83 (for female) per 10,000. The HQ for general population from rice cultivated near the mining areas in Korea was below 1 as the $50^{th}$ percentile of general population. However, less than 10% of general population consuming rice cultivated near the mining areas would exceed 1.0. This result is similar with those from each gender-specific group.

만성으로 비소에 노출될 경우 암을 비롯하여 인체에 심각한 악영향이 나타날 수 있다. 본 연구에서는 우리나라의 광신인근에서 재배된 벼의 백미시료 300점에 함유된 총 비소를 분석하고, 이 백미 시료만을 섭취했을 경우의 인체위험도를 확률적 접근법을 이용하여 평가하였다. 300점의 백미에 함유된 총 비소의 함량은 0.09 mg/kg으로 lognormal 분포형태를 나타내었다. 우리나라 전체인구와 성별로 나눠 이 백미시료만을 섭취했을 경우 1일 총비소 노출량을 평가하였으며, EPA의 발암력과 기준참고치를 그거로 발암위해와 비발암위해를 정량화하였다. 광산인근 백미 섭취를 통한 발암위해의 평균은 만명기준 남성 2.16명, 여성 1.83에서 1.0 이하로 나타났다. 광산인근 백미만을 섭취하는 경우 전체 인근의 10% 미만이 비발암위해를 보이는 것으로 나타났다. 그러나, 이는 우리나라 광산인근에서 재배된 300점 백미시료에 대한 자료를 근거로 도출된 결과로서 우리나라 모든 광신인근 지역의 백미를 대표할 수 없는 한계가 존재한다.

Keywords

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