Abstract
Total mercury (THg) and methylmercury (Me-Hg) concentrations were determined in mussels ( Mytilus galloprovincialis) from 10 stations located in the Mar Piccolo of Taranto (Ionian Sea, Taranto Gulf) an important semi-enclosed basin in Italy, devoted to mussel culture activities. The obtained results show that THg and Me-Hg concentrations ranged from 0.236 to 0.559 μg g −1 d.w. and from 0.066 to 0.155 μg g −1 d.w., respectively. Consequently, the Me-Hg/THg ratios ranged from 17% to 49%. The dietary intake of THg and Me-Hg were studied among children and adults from Taranto (Southern Italy). The estimated weekly intake for THg and Me-Hg was below the Provisional Tolerable Weekly Intake (PTWI) established by European Food Safety Autority (EFSA) for all sampled mussels, though their consumption provides a THg intake in children near the PTWI.
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