Cadmium, copper, lead and zinc levels in the green-lipped mussel Perna viridis (L.) from the west coast of Peninsular Malaysia: safe as food?
2005
Ismail A. | Yap, C.K, | Tan, S.G
Green-lipped mussels, Perna viridis, were collected between 2002-2004, from 10 locations on the west coast ofPeninsular Malaysia. The samples were analysed for cadmium (Cd), copper (Cu), lead (Pb) and zinc (Zn). Themetal concentrations (ug/g dry weight) ranged from 0.11 to 5.55 for Cd, 3.49 to 31.1 for Cu, 1.16 to 18.62for Pb and 60.51 to 119.5 for Zn. From the public health point of view, these metal concentrations were belowthe maximum permissible levels set by the Malaysian Food Regulations (1985) and were also below the levelsregarded as harmful according to the median international standards for metals in mollusks compiled by the FAOof the United Nations. Non-carcinogenic hazard indices of the metals in the mussels in this present study showedthat the consumption of the mussels was not risky and any risk is dependent on the amount of mussels consumedand the sites they were collected from.
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