Keywords
mussel natural beds
bacteriological contamination
heavy metals
mussel breeding
tropical waters
How to Cite
Abstract
The seawater and Perna perna mussels samples were bimonthly collected from Santos bay from December
2006 to April 2008, and the occurrence of heavy metals, organic compounds and bacteria were investigated.
Water and mussel meat quality were assessed following the Brazilian legislation. The analyses on heavy
metals mercury, lead, zinc and cadmium contents were performed using atomic absorption spectrometry.
The mussel meat was investigated by analytical methodologies following the international recommendations.
Among the analyzed seawater samples, at least one sample showed chlorine, phosphorus, sulfide, total
fluoride, ammoniac nitrogen, aluminum, lead and iron contents out of the established limits. In one mussel
meat sample only a high peak of zinc concentration was found. The bacteriological agents found in water
and mussel meat samples were sporadically above the recommended values.
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