“…However, concern about the occurrence of these compounds in the environment increased during recent years because of their cytotoxic, mutagenic and/or teratogenic properties (Zounkova et al, 2010;Ferk et al, 2009). These compounds are considered as one of the most hazardous contaminants in the water cycle (Seira et al, 2013) and are supposed to be harmful for human and wildlife even at very low doses (Mahnik et al, 2004).…”