Abstract
This study examines concentrations of Cd, Cu, Pb and Zn in the soft tissue of Saccostrea cucullata in the intertidal zones of Lengeh Port, Persian Gulf, Iran, to survey whether heavy metals are within the acceptable limits for public health? The results revealed that the average metal concentrations (μg/g dry weight) ranged from 10.28 to 12.03 for Cd, 294.10 to 345.80 for Cu, 20.64 to 58.23 for Pb and 735.60 to 760.40 for Zn in the soft tissue of oysters. From the human public health point of view, comparison between the mean concentrations of the metals in the soft tissue of oyster and global guidelines clearly indicates that nearly in all cases concentrations are higher than the permissible amounts for human consumption. In addition, levels of Zn, Pb and Cu were well below their recommended oral maximum residue level (MRLs), whereas levels of Cd were observed two times higher.
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