Safety of Marine Molluscs Consumption

Safety of Marine Molluscs Consumption

Heavy metal concentration in three important molluscs from the coast of Greater Accra and its implications to consumers

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This study assessed the levels of five heavy metals; lead (Pb), copper (Cu), iron (Fe), zinc (Zn) and chromium (Cr) in the soft tissues of three dominant molluscs species (Donax pulchellus, Donax rugosus and Olivancillaria hiatula) inhabiting the intertidal zone of three sandy beaches (Chorkor, Bortianor and La beach) in Accra, Ghana. The molluscs were randomly sampled at low tide between (5:30 - 10:00 a.m.) from February 2016 to August, 2017 and grouped into two size classes; small (< 20 mm) and large (> 20 mm) shell length. The concentrations of heavy metals in the tissue of the molluscs wer...