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심해성 어류의 수은, 메틸수은 및 셀레늄 함량 KCI 등재

Contents of Mercury, Methylmercury, and Selenium in Deep-Sea Fishes

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한국식품위생안전성학회지 (Journal of Food Hygiene and Safety)
한국식품위생안전성학회 (Korean Society of Food Hygiene and Safety)
초록

본 연구에서는 경기도내 유통되고 있는 심해성 어류 50 건을 대상으로 수은, 메틸수은의 오염도 및 셀레늄의 함 량을 알아보았다. 금아말감법의 수은분석기, ICP-MS를 사 용하여 측정하였으며 각 항목별 평균함량은 수은 0.7647 mg/ kg (0.0182-5.3620), 메틸수은 0.0764 mg/kg (0.0096-0.8750), 셀레늄 0.4728 mg/kg(0.1075-3.5100)으로 메틸수은은 50건 모두 기준규격(1.0 mg/kg) 이하로 나타났다. 셀레늄은 수 은과 결합하여 수은의 독성을 감소시키는 것으로 알려져 있으며, 본 연구과제에서는 일일평균섭취량이 3.3 μg/kg으 로 일일권장량보다 낮은 수치였다. 유해물질인 수은과 메 틸수은은 JECFA에서 설정한 PTWI의 5.7%, 1.8%로 조사 되었다. 따라서 도내에서 유통되는 심해성 어류의 수은, 메틸수은과 같은 위해중금속은 안전한 것으로 나타났지만 지속적 모니터링이 필요하다고 판단된다.

This study aimed to determine mercury (Hg), methylmercury (MeHg), and selenium (Se) levels in deep-sea fishes distributed in Gyeonggi-do, South Korea. Concentrations of Hg, MeHg, and Se were measured by using a mercury analyzer and Inductively Coupled Plasma – Mass Spectrometry (ICP-MS). The average content (mg/ kg) in the seafood samples was as follows: Hg, 0.7647 (0.0182–5.3620), MeHg, 0.0764 (0.0096–0.8750), and Se, 0.4728 (0.1075–3.5100). All the levels of MeHg were below the recommended standards of the Ministry of Food and Drug Safety i.e., <1.0 mg/kg. Recent studies have shown that Se prevents Hg toxicity. The average daily intake in humans was 3.3 μg/kg, which was lower than the recommended amount (50–200 μg/person/day). The weekly intake of Hg and MeHg was calculated to be 6.07% and 1.90%, respectively, of the provisional tolerable weekly intake (PTWI). This study showed that the weekly intake of Hg and MeHg from abyssal fish was less than the PTWI recommended by the Joint FAO/WHO expert committee on food additives. Therefore, the levels reported in this study are presumed to be adequately safe.

목차
ABSTRACT
Materials and Methods
    시료
    시약 및 표준용액
    시료의 전처리
    통계적 분석 및 위해성 평가
Results and Discussion
    유효성 검증
    항목별 검출 특성
    메틸수은, 수은 및 셀레늄의 노출량 평가
국문요약
References
저자
  • 조윤식(경기도보건환경연구원 농수산물안전성검사팀) | Yun-Sik Cho (Agricultural and Fishery Products Safety Inspection Team, Suwon, Korea) Corresponding author
  • 황선일(경기도보건환경연구원 농수산물안전성검사팀) | Seon-Il Hwang (Agricultural and Fishery Products Safety Inspection Team, Suwon, Korea)
  • 신상운(경기도보건환경연구원 농수산물안전성검사팀) | Sang-Woon Shin (Agricultural and Fishery Products Safety Inspection Team, Suwon, Korea)
  • 김현주(경기도보건환경연구원 농수산물안전성검사팀) | Hyun-Ju Kim (Agricultural and Fishery Products Safety Inspection Team, Suwon, Korea)
  • 이지연(경기도보건환경연구원 농수산물안전성검사팀) | Ji-Yeon Lee (Agricultural and Fishery Products Safety Inspection Team, Suwon, Korea)
  • 송지원(경기도보건환경연구원 농수산물안전성검사팀) | Ji-Won Song (Agricultural and Fishery Products Safety Inspection Team, Suwon, Korea)
  • 김정은(경기도보건환경연구원 농수산물안전성검사팀) | Jeong-Eun Kim (Agricultural and Fishery Products Safety Inspection Team, Suwon, Korea)
  • 이병훈(경기도보건환경연구원 농수산물안전성검사팀) | Byoung-Hoon Lee (Agricultural and Fishery Products Safety Inspection Team, Suwon, Korea)
  • 모아라(경기도보건환경연구원 농수산물안전성검사팀) | A-Ra Mo (Agricultural and Fishery Products Safety Inspection Team, Suwon, Korea)
  • 박명기(경기도보건환경연구원 농수산물안전성검사팀) | Myeong-Ki Park (Agricultural and Fishery Products Safety Inspection Team, Suwon, Korea)