Effect of cooking on total mercury content in Norway lobster and European hake and public health impact

Perugini, Monia; Zezza, Daniela; Tulini, Serena Maria Rita; Abete, Maria Cesarina; Monaco, Gabriella; Conte, Annamaria; Olivieri, Vincenzo; Amorena, Michele

Effect of cooking on total mercury content in Norway lobster and European hake and public health impact

2016

The risk of Hg poisoning by eating seafood is considered real from the several international agencies that recommended, by fish consumption advisories, to pregnant women and young children to avoid or severely limit the consumption of the fish and shellfish with a high-range mercury levels. The analyses of two common species, European hake and Norway lobster, collected from an area of Central Adriatic Sea, reported high mercury levels in crustaceans. For Norway lobster total mercury exceeded, in six out of ten analysed pools, the recommended 0.5mg/kg wet weight European limit. Moreover the increased amount of Hg concentrations in Norway lobster cooked samples suggests the necessity to review current procedures of Hg control in food, considering also consumption habits of consumers. The Hg values found in all European hake samples are below the legal limits and, in this species, the boiling did not modify the concentrations in fish tissues.

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