Springer

Bioaccumulation of Heavy Metals, Organochlorine Pesticides, and Detoxication Biochemical Indexes in Tissues of Ictalurus melas of Lake Trasimeno

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Organochlorine pesticides (OCPs), polychlorinated biphenyls (PCBs) and heavy metals are persistent substances ubiquitously present in aquatic ecosystems. Their bioaccumulation in biota is governed by the physico-chemical properties of the compounds, the bioavailability from environmental matrices, the structure of the food chain, the lipid content of the species and the metabolism of the exposed organisms. These environmental contaminants have been identified as oxidative stress inducers in fish, because they enhance the production of active oxigen species (ROS).

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