Journal of the Korean Society of Food Science and Nutrition (한국식품영양과학회지)

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Trace Metal Contents in Cereals, Pulses and Potatoes and Their Safety Evaluations

우리나라 곡류, 두류 및 서류중 중금속 함량 및 안전성 평가

  • 김미혜 (식품의약품안전청 식품평가부 식품오염물질과) ;
  • 장문익 (식품의약품안전청 식품평가부 식품오염물질과) ;
  • 정소영 (식품의약품안전청 식품평가부 식품오염물질과) ;
  • 소유섭 (식품의약품안전청 식품평가부 식품오염물질과) ;
  • 홍무기 (식품의약품안전청 식품평가부 식품오염물질과)
  • Published : 2000.06.01
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Abstract

국내에서 생산된 곡류 9종 416건, 두류 5종 296건 및 서류 2종 156건에 대해 수은 함량은 Mercury Analyzer로, 납, 카드뮴, 비소, 구리, 망간, 아연 등은 습식분해 후 ICP로 분석하였다. 본 연구 결과, 곡류중 중금속 함량[최소~최대(평균),mg/kg]은 다음과 같았다. 수은 0.0001~0.051(0.007), 납 0.01~0.39(0.13), 카드뮴 0.001~0.098(0.023), 비소 0.01~0.38(0.09), 구리 0.06~11.85(1.73), 망간 0.91~39.15(7.47), 아연 1.35~24.15(9.32) mg/kg으로 나타났다. 또한 두류중 중금속 함량(mg/kg)은 수은 0.0002~0.031(0.005), 납 0.01~0.38(0.12), 카드뮴 0.005~0.098(0.030), 비소 0.01~0.37(0.10), 구리 0.03~6.56(2.44), 망간 0.85~22.97(8.16), 아연 2.40~40.18(11.25) mg/kg이었다 서류중 중금속 함량(mg/kg)은 수은 0.002~0.036(0.017), 비소0.01~0.20(0.08), 구리 0.02~2.91(0.84), 망간 0.26~9.48(2.54), 아연 0.35~6.11(2.23)mg/kg이었다. 본 연구에서 얻어진 분석치들은 국내외 다른 연구자들의 분석치와 비슷한 것으로 나타났으며, 이는 우리나라에서 생산된 곡류, 두류, 서류중의 중금속 함유량은 오염된 것이 아닌 자연함유량 수준인 것으로 파악되어 우리나라 사람이 이들 농산물에서 섭취하는 중금속량으로 인한 위해성은 없는 것으로 판단된다. 또한 우리나라 국민이 곡류, 두류, 서류 등을 통해 섭치하는 납, 수은, 카드뮴 등의 중금속 주간섭취량은 FAO/WHO에서 중금속 안전성 평가를 이해 정한 잠정주간섭취혀용량인 PTW1의 0.2~19%를 차지하고 있다.

Keywords

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