Abstract
The study aimed to verify whether canned fish available in Poland were safe in terms of Cd and Pb content. The content of Cd and Pb was examined in 25 products using Graphite Furnace Atomic Absorption Spectrometry (GFAAS). The examined canned fish contained from nearly 0.2 to 1.7 μg Cd and from ca. 0.02 μg to ca. 7.9 μg per 100 g of the product. The content of both Cd and Pb was found to be higher in canned salmon and tuna. It was found that consumption of canned fish acute posed no hazard to adult men. Consuming 1 canned fish a week will result in an intake of Cd amounting to a maximum of 0.8 % TWI, and of Pb amounting to a maximum of 3.5 % BMDL10 and 1.23 % BMDL01. The levels of Cd and Pb in canned fish do not exceed safe levels for men.
Highlights
Aqueous environment is exposed to pollution, since water reservoirs are often a direct destination for the discharge of process effluents, municipal wastewater sewage and pollutants from farming activity
The study aimed to verify whether canned fish available in Poland were safe in terms of Cd and Pb content
Consuming 1 canned fish a week will result in an intake of Cd amounting to a maximum of 0.8 % TWI, and of Pb amounting to a maximum of 3.5 % BMDL10 and 1.23 % BMDL01
Summary
Aqueous environment is exposed to pollution, since water reservoirs are often a direct destination for the discharge of process effluents, municipal wastewater sewage and pollutants from farming activity. Fish are one of the last cells within the trophic network of aqueous ecosystems so significant amounts of toxic metals can accumulate in their tissues. Cadmium (Cd) and lead (Pb) are characterised by an ability to accumulate in tissues and a long half-life. Cadmium can cause kidneys damage whereas lead has been associated with kidneys diseases and with the central nervous system damage (EFSA 2012a, b). These metals show a mutagenic, genotoxic, carcinogenic and teratogenic effect on humans and animals
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