Korean Journal of Fisheries and Aquatic Sciences (한국수산과학회지)

The Korean Society of Fisheries and Aquatic Science (한국수산과학회)
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Total Mercury Content and Risk Assessment of Farmed Fish Tissues

양식산 어류의 부위별 총수은 함량 및 위해도 평가

  • Choi, WooSeok (Food Safety and Processing Research Division, National Institute of Fisheries Science) ;
  • Yoon, Minchul (Food Safety and Processing Research Division, National Institute of Fisheries Science) ;
  • Jo, MiRa (Food Safety and Processing Research Division, National Institute of Fisheries Science) ;
  • Kwon, Ji Young (Food Safety and Processing Research Division, National Institute of Fisheries Science) ;
  • Son, KwangTae (Food Safety and Processing Research Division, National Institute of Fisheries Science) ;
  • Kim, Ji Hoe (Research and Development Planning Department, National Institute of Fisheries Science) ;
  • Lee, Tae Seek (Food Safety and Processing Research Division, National Institute of Fisheries Science)
  • 최우석 (국립수산과학원 식품위생가공과) ;
  • 윤민철 (국립수산과학원 식품위생가공과) ;
  • 조미라 (국립수산과학원 식품위생가공과) ;
  • 권지영 (국립수산과학원 식품위생가공과) ;
  • 손광태 (국립수산과학원 식품위생가공과) ;
  • 김지회 (국립수산과학원 연구기획과) ;
  • 이태식 (국립수산과학원 식품위생가공과)
  • Received : 2015.11.13
  • Accepted : 2016.01.12
  • Published : 2016.02.28
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Abstract

Total mercury (TM) is a hazardous element that is of particular concern to human health. Due to the diversity of dietary habits among fishes, tissue-specific analysis of hazardous elements is necessary. In this study, the tissue-specific TM in cultured fish was analyzed to conduct risk assessment. The highest concentrations of TM were found in the farmed marine fish Pagrus major (0.111 mg/kg) and in the farmed freshwater fish Channa argus (0.162 mg/kg). TM concentration was significantly correlated with total fish length (P<0.01). Significant differences in TM were found between three types of fish tissue, with the concentration in fish muscle being significantly higher than those of gill or liver (P<0.01). Moreover, the tissue-specific TM concentrations of farmed freshwater fish were significantly higher than those of farmed marine fish (P<0.01). According to the risk assessment, the TM body exposure rate of muscle and liver in cultured fishes ranged from 0.001 to 0.389% of the Provisional Tolerable Weekly Intake. Therefore, these results showing the tissue-specific TM contents of cultured fish could be useful to assess the health risks of Korean dietary habits.

Keywords

References

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