ASSESSMENT OF MERCURY CONTENT IN FISH TISSUES FROM SELECTED LAKES IN BULGARIA AND BULGARIAN BLACK SEA
Published: 28 May 2015
Abstract: Comparisons are made of mercury concentrations in muscle tissue of three fish species caught in two lake’s points ( Bourgas Lake and Mandra Lake ) with two marine fish species caught from the south part of Bulgaria Black Sea (Nesebbar). The freshwater species are gibel carp, roach and perch. The seawater fish species are sprat and Mediterranean horse mackerel. The total mercury determination was performed by Milestone Direct Mercury Analyzer DMA-80.The results were expressed as mg/kg w.w. The mean concentration of gibel carp was 0.0162 mg/kg w.w; of roach varies between 0.0273-0.0233 mg/kg w.w (depending on the location); of perch was 0.0273 mg/kg w.w. On the contrary, the mean concentrations of two sea fish species were higher: sprat was 0.12 mg/kg w.w and Mediterranean horse mackerel was 0.16 mg/kg w.w. Concentrations of mercury were within the limits set from various health organization and are at acceptable levels for human consumption.
Keywords: fish, mercury, black sea, burgas lake, mandra lake
Download full text
Back to the contents of the volume
© 2018 The Author(s). This is an open access article distributed under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/3.0/
, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. This permission does not cover any third party copyrighted material which may appear in the work requested.