Figure 2

Cytotoxicity of the studied Fabaceae species on Caco-2, HT-29 and HCT-116 colorectal cancer cell lines evaluated by MTT assays over 48 hours. Cell growth is expressed as percentage from control and it is plotted in the vertical scale, while doses of plant extracts are depicted in the horizontal axis. Groups I, II and III are depicted in black; grey and white, respectively.