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Turkish Journal of Fisheries and Aquatic Sciences 2019, Vol 19, Num, 11     (Pages: 935-945)

Determination of Cadmium in Muscles and Liver of Freshwater Fish Species from Mazurian Lake District, and Risk Assessment of Fish Consumption (Poland)

Joanna Łuczyńska 1 ,Beata Paszczyk 1 ,Marek J. Łuczyński 2

1 University of Warmia and Mazury in Olsztyn, Chair of Commodity and Food Analysis, ul. Plac Cieszyński 1, 10-726 Olsztyn, Poland
2 The Stanisław Sakowicz Inland Fisheries Institute, Department of Ichthyology, Olsztyn, Poland
DOI : 10.4194/1303-2712-v19_11_05 Viewed : 589 - Downloaded : 364 The aim of the study was to determine the cadmium content in muscle and liver of fish from Mazurian Lake District: Rutilus rutilus L. (roach), Abramis brama L. (bream), Coregonus lavaretus L. (whitefish), Tinca tinca L. (tench), Perca fluviatilis L. (European perch) and Esox lucius L. (Northern pike) and Oncorhynchus mykiss Walb. (rainbow trout) from the ponds. The content of cadmium in muscles ranged between 0.0006 mg/kg and 0.0104 mg/kg, whereas in liver varied from 0.0015 mg/kg to 0.0331 mg/kg. Cadmium content in muscles and liver differed between various species. The muscles contained significantly lower values of cadmium than liver (P<0.05), except bream and rainbow trout. The statistically significant negative correlations were found only between cadmium content in muscles and liver of perch and body weight and total length. The Metal Pollution Index (MPI) was lower and ranged between 0.001 and 0.019. Target Hazard Quotient (THQ) was below 1, which means that these fish are safe for consumer. Keywords : Freshwater fish, Fulton`s condition factor (FCF), Target Hazard Quotient (THQ), Metal Pollution Index (MPI)