New Records of Microcystins in Some Bulgarian Water Bodies of Health and Conservational Importance

Abstract

Microcystins cause acute hepatotoxicity and chronic liver tumor promotion. This study presents the results of HPLC DAD analyses and their LC-MS confirmation of samples from five Bulgarian water bodies (reservoirs Stoudena, Pchelina, Bistritsa and lakes Dourankoulak, Vaya). The total concentration of microcystins in water samples ranged from 0.1 to 26.5 μg/l. The amount of microcystins in the biomasses ranged from 11.4 to 49.6 μg/g (d.w.). The high percent of positive samples in which the most toxic microcystin-LR is recorded, can serve as a strong alarm for the necessity of a serious study and relevant discussion of the problem with responsible authorities at national level.

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Pavlova, V. , Stoyneva, M. , Georgieva, V. , Donchev, D. , Spoof, L. , Meriluoto, J. , Bratanova, Z. and Karadjova, I. (2014) New Records of Microcystins in Some Bulgarian Water Bodies of Health and Conservational Importance. Journal of Water Resource and Protection, 6, 446-453. doi: 10.4236/jwarp.2014.65044.

Conflicts of Interest

The authors declare no conflicts of interest.

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