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Heavy Metals in Shellfishes Around the South Coast of Korea  

Kim, Ji-Hoe (National Fisheries Research and Development Institute)
Lim, Chi-Won (National Fisheries Research and Development Institute)
Kim, Pyoung-Joong (National Fisheries Research and Development Institute)
Park, Jeong-Heum (National Fisheries Research and Development Institute)
Publication Information
Journal of Food Hygiene and Safety / v.18, no.3, 2003 , pp. 125-132 More about this Journal
Abstract
The levels of heavy metals (total-mercury, cadmium, lead and chromium) in shellfishes, such as oyster (Carassostrea gigas), blue mussel (Mytilus edulis), arkshll (Scapharca broughtonii) and little neck clam (Ruditapes philippinarum), were determined. The samples were collected from 11 stations for oyster and 12 stations for blue mussel in the South Coast of Korea, and little neck clam and arkshell were collected from Koheung and the Kangjin Bay, respectively, during 1999 to 2000. The average concentrations of heavy metal in 4 different species of shellfishes analyzed were ranged from 0.007 to 0.009 ${\mu}g/g$ for total-mercury; 0.232 to 0.559 ${\mu}g/g$ for cadmium; 0.107 to 0.220 ${\mu}g/g$ for lead; and 0.116 to 0.364 ${\mu}g/g$ for chromium on wet basis. The highest level of total-mercury, lead, cadmium, and chromium in the samples analyzed were all below the quarantine limit of the Korean regulation and guideline established by the U.S.Food and Drug Administration for human consumption. The levels of heavy metals in the samples were negligible, which could be endogenous. It was elucidated that oyster was able to accumulate 2-times more cadmium than blu mussel in this study.
Keywords
Heavy metals; Shellfish; Oyster; Blue mussel; Arkshell; Little neck clam;
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