Korean Journal of Food Science and Technology (한국식품과학회지)

Korean Society of Food Science and Technology (한국식품과학회)
권호 표지

Monitoring of Heavy Metals in Fishes in Korea -As, Cd, Cu. Pb, Mn, Zn, Total Hg -

유통 중인 어류의 중금속 모니터링 - 비소, 카드뮴, 구리, 납, 망간, 아연, 총수은 -

  • Kim, Hee-Yun (Hazard Substances Analysis Team, Center for Food and Drug Analysis, Gyeongin Regional Korea Food and Drug Administration) ;
  • Kim, Seo-Young (Nutrition Evaluation Team, Food and Drug Administration) ;
  • Lee, Jin-Ha (Testing & Analysis Team, Daejeon Regional Korea Food and Drug Administration) ;
  • Jang, Young-Mi (Hazard Substances Analysis Team, Center for Food and Drug Analysis, Gyeongin Regional Korea Food and Drug Administration) ;
  • Lee, Myoung-Sook (Hazard Substances Analysis Team, Center for Food and Drug Analysis, Gyeongin Regional Korea Food and Drug Administration) ;
  • Park, Jong-Seok (Hazard Substances Analysis Team, Center for Food and Drug Analysis, Gyeongin Regional Korea Food and Drug Administration) ;
  • Lee, Kwang-Ho (Hazard Substances Analysis Team, Center for Food and Drug Analysis, Gyeongin Regional Korea Food and Drug Administration) ;
  • Kim, Jin-Chul (Hazard Substances Analysis Team, Center for Food and Drug Analysis, Gyeongin Regional Korea Food and Drug Administration)
  • 김희연 (경인지방식품의약품안전청 유해물질분석팀) ;
  • 김서영 (식품의약품안전청 영양평가팀) ;
  • 이진하 (대전지방식품의약품안전청 시험분석팀) ;
  • 장영미 (경인지방식품의약품안전청) ;
  • 이명숙 (경인지방식품의약품안전청) ;
  • 박종석 (경인지방식품의약품안전청) ;
  • 이광호 (경인지방식품의약품안전청) ;
  • 김진철 (경인지방식품의약품안전청)
  • Published : 2007.08.31
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Abstract

This survey was carried out to estimate the heavy metal contents of fishes (531 ocean fishes and 80 freshwater fishes) sold in and around Korea from April to October in 2006 . The contents of arsenic (As), cadmium (Cd), copper (Cu), lead (Pb), manganese (Mn), zinc (Zn) and mercury (Hg) were estimated by inductively coupled plasma-mass spectrometry (ICP-MS) and a mercury analyzer. The concentrations [mean (minimum-maximum) mg/kg] of heavy metals in the ocean fishes were as follows: As=2.523 (0.140-65.543), Cd=0.017 (0.000-0.108), Cu=0.569 (0.040-5.634), Pb=0.023 (0.000-0.323), Hg=0.068 (0.002-0.754), Mn=0.395 (0.016-4.651) and Zn=6.086 (0.529-34.729). The concentrations of heavy metals in the freshwater fishes were: As=0.370 (0.024-2.231), Cd=0.01l (ND-0.086), Cu=0.628 (0.003-1.962), Pb=0.026 (ND-0.423), Hg=0.058 (0.006-0.349), Mn=1.150 (0.069-7.230) and Zn=9.980 (3.463-82.737). The weekly intakes of Cd, Hg and Pb from fish were 0.9, 1.6 and 0.9%, respectively, as compared with the Provisional Tolerable Weekly Intake (PTWl) established by Joint FAO/WHO Expert Committee for food safety evaluation.

본 연구는 우리나라에서 유통되고 있는 어류를 전국 10개 연안지역에서 수거된 해산어류 35종 531건과 , 전국 내륙지방 및 주요도시에서 수거된 담수어 12종 80건을 대상으로 납, 카드뮴, 비소, 구리, 망간, 아연, 총수은 함량을 분석하였다. 전처리방법(습식분해법, 변형된 microwave 분해법, microwave 분해법)에 따른 각각의 분해조건을 비교${\cdot}$검토한 결과, microwave 분해법이 회수율이 가장 우수한 것으로 확인되었다. ICP-MS를 이용하여 수은을 제외한 6 종 금속의 회수율을 측정한 결과 약 94-108%를 보였으며, mercury analyzer를 이용한 수은의 회수율은 99%를 나타냈다. 해산어류 중 중금속 평균 함량은 비소 2.523, 카드뮴 0.017, 구리 0.569, 납 0.023, 수은 0.068, 망간 0.395 및 아연 6.086 mg/kg으로 나타났다. 담수어 중 중금속 평균함량은 비소 0.370, 카드뮴 0.011, 구리 0.628, 납 0.026, 수은 0.058, 망간 1.150 및 아연 9.980 mg/kg으로 나타났다. 우리나라에서 유통 중인 어류에서 섭취되는 중금속 함량을 FAO/WHO 에서 설정된 잠정주간섭취허용량인 PTWI와 비교한 결과 카드뮴, 수은, 납이 각각 0.9, 1.6 및 0.9% 로 나타나 조사된 어류를 통한 우리나라 국민들의 중금속 섭취는 현재까지는 안전한 수준인 것으로 판단된다.

Keywords

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