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KMID : 1134820110400040606
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Journal of the Korean Society of Food Science and Nutrition
2011 Volume.40 No. 4 p.606 ~ p.612
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Contents of Heavy Metals (Hg, Pb, Cd, Cu) and Risk Assessment in Commercial Cephalopods
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Kim Su-Un
Hwang Young-Ok
Park Ae-Sook
Park Young-Ae
Ham Hee-Jin
Choi Sung-Min
Kim Jung-Hun
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Abstract
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The purpose of this study was to investigate certain heavy metals (Hg, Pb, Cd, Cu) in 144 samples of cephalopods, to identify weekly heavy metal intakes and to evaluate potential health risks. The average concentrations in the arm, expressed in mg/kg, were: Hg 0.017 (less than the limit of detection (LOD) to 0.059), Pb 0.024 (less than the LOD to 0.092), Cd 0.030 (less than the LOD to 0.627) and Cu 2.536 (less than the LOD to 5.837). The average concentration in the internal organs, expressed in mg/kg, were: Hg 0.063 (from 0.008 to 0.543), Pb 0.579 (less than the LOD to 2.344), Cd 15.200 (from 0.654 to 75.29) and Cu 201.706 (from 2.412 to 856.4). Heavy metal concentrations were higher in the organs than in the arm. Of the four heavy metals, the ratio of internal organs to arm was highest for cadmium. The weekly intakes of Hg, Pb, Cd and Cu from Octopus minor were 0.2%, 0.08%, 0.20% and 0.00%, respectively from the arm, and 1.0%, 0.96%, 92.28% and 0.05% from the internal organs as compared to PTWI (provisional tolerable weekly intakes) established by the FAO/WHO Expert Committee for Food Safety Evaluation.
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KEYWORD
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cephalopod, heavy metal, provisional tolerable weekly intake
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