Heavy metal complexation in polluted molluscs II. Oysters (Ostrea edulis and Crassostrea gigas) |
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| Authors: | A.G. Howard G. Nickless |
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| Affiliation: | 1. Department of Chemistry, University of Southampton, Southampton S09 5NH Great Britain;2. Department of Inorganic Chemistry, University of Bristol, Cantock''s Close, Bristol Great Britain |
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| Abstract: | Cadmium, zinc and copper, accumulated from polluted habitats by the oysters Ostrea edulis and Crassostrea gigas, were studied. Three distinct low molecular weight (less than 3000 daltons) zinc complexes were separated from highly contaminated C. gigas, one of which may be a complex with the amino acid taurine. Only one of these zinc complexes was present in less contaminated specimens of O. edulis. On gel permeation chromatography of oyster extracts, copper was eluted together with amino acids (principally taurine) and the betaine homarine. No evidence of metallothionein type proteins was found. |
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