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Organic UV filter concentrations in marine mussels from French coastal regions.

The Science of the total environment (2012-02-15)
Morgane Bachelot, Zhi Li, Dominique Munaron, Patrik Le Gall, Claude Casellas, Hélène Fenet, Elena Gomez
ABSTRACT

The accumulation of EHMC, OCT and OD-PABA, three common UV filter compounds, was investigated in marine mussels. Wild Mytilus edulis and Mytilus galloprovincialis were sampled in ten sites along the French Atlantic and Mediterranean coasts from June to November. In mussel tissues, 100% of the samples had quantifiable EHMC concentrations ranging from 3 to 256ngg(-1) dry weight, while 55% of the samples had detectable OCT concentrations ranging from under 2 to 7 112ngg(-1) dry weight. These concentrations significantly increased with the rising air temperature in summer, the recreational pressure and the geomorphological structure of the sampling sites (its lack of openness to the wide). This is the first study to report bioaccumulation of UV filters in marine mussels, thus highlighting the need for further monitoring and assessment.

MATERIALS
Product Number
Brand
Product Description

Supelco
Octocrylene, Pharmaceutical Secondary Standard; Certified Reference Material
Sigma-Aldrich
2-Ethylhexyl 2-cyano-3,3-diphenylacrylate, 97%
Supelco
Octocrylene, analytical standard