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KMID : 0881720230380030158
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Journal of Food Hygiene and Safety
2023 Volume.38 No. 3 p.158 ~ p.163
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Contents of Mercury, Methylmercury, and Selenium in Deep-Sea Fishes
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Cho Yun-Sik
Hwang Seon-Il
Shin Sang-Woon
Kim Hyun-Ju
Lee Ji-Yeon
Song Ji-Won
Kim Jeong-Eun
Lee Byoung-Hoon
Mo A-Ra
Park Myeong-Ki
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Abstract
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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.
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KEYWORD
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Mercury, Methylmercury, Selenium, Deep-sea fish
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