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Risk Assessment of Arsenic in Agricultural Products

농산물 중 비소 위해평가

  • Choi, Hoon (Food Contaminants Division, Food Safety Evaluation Department, National Institute of Food and Drug Safety Evaluation) ;
  • Park, Sung-Kug (Food Contaminants Division, Food Safety Evaluation Department, National Institute of Food and Drug Safety Evaluation) ;
  • Kim, Dong-Sul (Food Contaminants Division, Food Safety Evaluation Department, National Institute of Food and Drug Safety Evaluation) ;
  • Kim, Mee-Hye (Food Contaminants Division, Food Safety Evaluation Department, National Institute of Food and Drug Safety Evaluation)
  • 최훈 (식품의약품안전평가원 식품위해평가부 오염물질과) ;
  • 박성국 (식품의약품안전평가원 식품위해평가부 오염물질과) ;
  • 김동술 (식품의약품안전평가원 식품위해평가부 오염물질과) ;
  • 김미혜 (식품의약품안전평가원 식품위해평가부 오염물질과)
  • Received : 2010.06.23
  • Accepted : 2010.07.07
  • Published : 2010.09.30

Abstract

The present study was carried out to assess exposure & risk for Korean by total and inorganic As intake through agricultural products. Total arsenic analysis was performed using microwave device and ICP-MS. 50% MeOH extraction and anion-exchange HPLC-ICP-MS method has been used to determine arsenic species. 329 samples covering 20 kinds of agricultural products were collected from various retail outlets and markets across Korea. The concentration of total As was in the range of 0.001~0.718 mg/kg, while inorganic and organic arsenic species in all samples was not determined. For risk assessment, probable daily intake was calculated and compared with provisional tolerable weekly intake (PTWI, 15 ${\mu}g$/kg b.w./week for inorganic arsenic) established by JECFA. The median daily exposure to total and inorganic As by intake of agricultural products except rice was ranged 0.0002~0.012, 0.0001~0.001 ${\mu}g$/kg b.w./day, corresponding to 0.01~0.5%, 0.002~0.1% of PTWI, respectively. The median level of total and inorganic As intake through rice was 0.603 and 0.041 ${\mu}g$/kg b.w./day, and 28.1% and 1.9% of PTWI, respectively. Therefore, the level of overall exposure to arsenic for Korean through agricultural products was below the recommended JECFA levels, indicating of least possibility of risk.

국내 유통되고 있는 농산물에 대한 비소 함량을 확인하여 국민의 식품별 섭취량을 고려한 비소 위해성을 평가하였다. 총 비소 함량은 microwave장치를 이용해 전처리한 후 ICP/MS로 측정하였으며, 농산물 중 유기 (AsC, AsB, MMA, DMA) 및 무기비소 (As(III), As(V)) 함량을 측정하기 위해 50% 메탄올을 이용한 액액추출법과 이온교환크로마토그래피를 활용한 HPLC-ICP/MS법을 사용하였다. 비소 함량 실태조사를 위해 국내 유통 중인 농산물 20개 품목, 329건을 수거하였으며, 농산물 중 총 비소 함량은 0.001~0.718 mg/kg인 반면 무기 및 유기비소 함량은 모든 시료에서 검출한계 이하이었다. 노출 및 위해평가를 위해 농산물별 섭취를 통한 비소 노출량을 산출한 후, JECFA에서 설정한 PTWI값 대비 위해도를 평가하였으며 비소의 PTWI 는 무기비소로써 15 ${\mu}g$/kg b.w./week이다. 쌀을 제외한 농산물 섭취를 통한 총 비소 및 무기비소의 중간노출량은 0.0002~0.012, 0.0001~0.001 ${\mu}g$/kg b.w./day 이었으며, 이는 PTWI 대비 0.01~0.5%, 0.002~0.1%에 해당 하였다. 쌀을 통한 총 비소 및 무기비소 중간노출량은 0.603, 0.041 ${\mu}g$/kg b.w./day이었으며, 각각 PTWI 대비 28.1%, 1.9%에 해당하였다. 따라서, 국내 유통되는 농산물 섭취를 통한 비소의 노출량은 JECFA의 안전권고치보다 낮았으며, 우리나라 국민은 농산물에 존재하는 비소의 위해성으로부터 안전한 것으로 사료된다.

Keywords

References

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