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http://dx.doi.org/10.5806/AST.2007.20.3.227

Contents of lead, mercury, and cadmium in seaweeds collected in coastal area of Korea  

Hwang, Young Ok (Seoul Metropolitan Goverment Research Institute of Health and Environment)
Kim, Mu Sang (Seoul Metropolitan Goverment Research Institute of Health and Environment)
Park, Seog Gee (Seoul Metropolitan Goverment Research Institute of Health and Environment)
Kim, Su Jeong (Jeju Institute of Health and Environment)
Publication Information
Analytical Science and Technology / v.20, no.3, 2007 , pp. 227-236 More about this Journal
Abstract
This study was carried out to estimate the contents of heavy metals (Hg, Pb, and Cd) in seaweeds (n=169) which are closely related to food resources. The contents of heavy metals in the laver were found as follows; Hg was highly detected in the east coastal area ($0.0509{\pm}0.0635mg/kg$), Pb in the south coastal area ($0.0509{\pm}0.0635mg/kg$), Cd in the south coastal area ($1.3785{\pm}0.7754mg/kg$). In the sea mustard, Hg was highly detected in the south coastal area ($0.0152{\pm}0.0116mg/kg$), Pb in the east coastal area ($0.1633{\pm}0.2888mg/kg$), Cd in the south coastal area ($0.7141{\pm}0.4952mg/kg$). In the sea tangle, Hg was highly detected in the south coastal area ($0.0177{\pm}0.0118mg/kg$), Pb in the east coastal area ($0.0728{\pm}0.1025mg/kg$), Cd in the south coastal area ($0.1640{\pm}0.1253mg/kg$). In the sea lettuce, Hg, Pb, and Cd were highly detected from the west coastal area. In the fusiforme, Hg and Cd were highly in the west coastal area, Pb in the south coastal area. In general brown algae showed the highest level of Hg, Pb, and green algae showed the highest level of Cd Additionally, the significant correlation was observed between Hg and Cd (r=0.513, p<0.01), between Cd and Pb (r=0.420, p<0.05). The weekly average intakes of Hg, Pb and Cd from seaweeds takes about 0.17~10.30 % of PTWI (Provisional Tolerable Weekly Intakes) that FAO/WHO Joint Food Additive and Contaminants Committee has set to evaluate their safeties.
Keywords
heavy metals; laver; sea mustard; sea tangle; sea lettuce; fusiforme; PTWI;
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Times Cited By KSCI : 2  (Citation Analysis)
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