Korean Journal of Food Science and Technology (한국식품과학회지)

Korean Society of Food Science and Technology (한국식품과학회)
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Risk Assessment of Lead and Cadmium through Mushrooms

버섯류 중 납, 카드뮴 위해성 평가

  • Choi, Hoon (Food Contaminants Divisions, Food Safety Evaluation Department, Korea Food and Drug Administration) ;
  • Park, Sung-Kug (Food Contaminants Divisions, Food Safety Evaluation Department, Korea Food and Drug Administration) ;
  • Lee, Bum-Noh (Food Contaminants Divisions, Food Safety Evaluation Department, Korea Food and Drug Administration) ;
  • Kim, Meehye (Food Contaminants Divisions, Food Safety Evaluation Department, Korea Food and Drug Administration)
  • 최훈 (식품의약품안전청 식품위해평가부 오염물질과) ;
  • 박성국 (식품의약품안전청 식품위해평가부 오염물질과) ;
  • 이범노 (식품의약품안전청 식품위해평가부 오염물질과) ;
  • 김미혜 (식품의약품안전청 식품위해평가부 오염물질과)
  • Received : 2012.07.09
  • Accepted : 2012.08.20
  • Published : 2012.12.31
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Abstract

The present study was carried out in order to assess the dietary exposure as well as the risk for lead (Pb) and cadmium (Cd) exposure through mushrooms among the Korean population. Various samples (n=536) covering 17 kinds of mushrooms were collected from retail outlets and markets in Korea. The contents of Pb were 0.005 (King oyster)-0.026 (Matsutake) mg/kg in raw mushrooms and 0.014 (Oyster)-16.411 (Manna lichen) mg/kg in dry mushrooms, respectively. The contents of Cd were 0.002 (Enoki)-0.205 (Hericium erinaciium) mg/kg in raw mushrooms and 0.021 (Vegetable worms)-2.650 (Agaricus blazei Muill) mg/kg in dry mushrooms, respectively. The mean dietary exposure of Pb for the general population was $0.053{\mu}g/day$, taking 0.03% of provisional tolerable weekly intake (PTWI). The mean dietary exposure of Cd for the general population was $0.168{\mu}g/day$, corresponding to 0.37% of provisional tolerable monthly intake (PTMI). Therefore, the level of the overall dietary exposure to heavy metals through mushroom for the Korean population was far below the recommended JECFA levels, indicating little possibility of concern.

본 연구에서는 버섯류의 중금속 함량 실태조사를 통해 우리나라 국민이 식품으로써 버섯을 섭취할 경우 중금속 노출수준에 따른 위해성을 평가하였다. 버섯류의 중금속 함량 실태조사를 위해 국내 유통 중인 버섯류 17개 품목, 536건을 수거하였으며 버섯류 중 납 함량을 조사한 결과, 생물버섯은 평균 0.005(큰 느타리)-0.026(송이) mg/kg이었고 건조버섯은 평균 0.014(느타리)-16.411(석이) mg/kg이었다. 카드뮴 함량은 생물버섯의 경우 평균 0.002(팽이)-0.205(노루궁뎅이) mg/kg이었고 건조버섯은 평균 0.021(동충하초)-2.650(신령) mg/kg이었다. 따라서, 국내 유통 중인 버섯류의 중금속 함량은 타 문헌과 유사하거나 낮은 수준이었다. 노출 및 위해성 평가를 위해 버섯별 섭취를 통한 중금속 노출량을 산출한 후, Joint FAO/WHO Expert Committee on Food Additives(JECFA)에서 설정한 PTWI 또는 PTMI값 대비 위해도를 평가하였다. 버섯 섭취로 인한 전체국민의 평균 납 노출량은 $0.053{\mu}g/day$으로 PTWI 대비 0.03% 수준이었으며, 카드뮴 평균 노출량은 $0.168{\mu}g/day$으로 PTMI 대비 0.37% 수준이었다. 따라서, 국내 유통되는 버섯을 식품으로써 섭취할 경우 전체국민의 중금속 평균노출수준은 JECFA의 인체노출안전기준보다 낮은 위해도를 보임으로써, 우리나라 국민은 버섯에 존재하는 중금속의 위해성으로부터 안전한 것으로 사료된다.

Keywords

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