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Mercury concentration in shark meat from traditional markets of Gyeongsangbuk-do, South Korea
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Han Cheol Heo, Yeon Hee Lim, Young Seok Byun, Joon Sakong
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Ann Occup Environ Med 2020;32:e3. Published online January 2, 2020
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DOI: https://doi.org/10.35371/aoem.2020.32.e3
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Abstract
PDFPubReaderePub
- Background
Although unusually high levels of blood mercury have been reported in the North Gyeongsang Province (Gyeongsangbuk-do), mercury contents from shark meat distributed in this region have not been assessed yet. Thus, this study aims to identify the hazard by evaluating the mercury contents of the shark meat sold in the traditional market of Gyeongsangbuk-do. MethodsThe shark meat in the form of muscle meat was obtained from 15 traditional markets of Gyeongsangbuk-do in the summer and winter of 2013. Out of 105 samples in total, 49 were collected in the summer and 56 in the winter. The total mercury concentration was measured by the combustion-gold amalgamation method using an automatic mercury analyzer (Milestone DMA-80, Milestone). ResultsThe average mercury concentration of shark meat was 2.29 ± 1.77 µg/g, ranging between 0.06–8.93 µg/g with a geometric mean of 1.44 µg/g, which is higher than those reported in many countries. The mercury concentration in 77 of 105 shark meat samples exceeded 1 µg/g. Mercury concentration ranged between 0.09–8.93 µg/g (geometric mean: 1.45) in the summer and 0.06–6.73 µg/g (geometric mean: 1.48) in the winter. ConclusionsShark meat sold in the market contained a substantial amount of mercury. This suggests that it is difficult to reduce mercury intake by simply strengthening the standard level of mercury concentration in shark meat. Therefore, it is need to communication and awareness programs with consumers about hazardous effects of mercury inherent in shark meat.
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Citations
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- Association of Blood Mercury Level with Liver Enzymes in Korean Adults: An Analysis of 2015–2017 Korean National Environmental Health Survey
Jin-Wook Chung, Dilaram Acharya, Jitendra Kumar Singh, Joon Sakong International Journal of Environmental Research and Public Health.2023; 20(4): 3290. CrossRef - Increase of blood mercury level with shark meat consumption: A repeated-measures study before and after Chuseok, Korean holiday
Kiook Baek, Chulyong Park, Joon Sakong Chemosphere.2023; 344: 140317. CrossRef - Mercury cycling in Australian estuaries and near shore coastal ecosystems: Triggers for management
William Maher, Frank Krikowa, Michael Ellwood, Detlev Helmig, Ruoyu Sun Elementa: Science of the Anthropocene.2020;[Epub] CrossRef
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