To evaluate the cytotoxic effect, MTT (3 - (4.5 dimethylthiazol-2 - yl) - 2.5 - diphenyltetrazolium) assay on the three cell lines: human liver Hep G2 (HB - 8065TM), lung LU-1 (HTB - 57TM), and breast MCF-7 (HTB - 22TM) was performed.