Viola tricolor Induces Apoptosis in Cancer Cells and Exhibits Antiangiogenic Activity on Chicken Chorioallantoic Membrane

Figure 2

Effects of ethyl acetate (EtOAc) fraction of Viola tricolor on proliferation of Neuro2a cells. The cells were treated for 24 h and then percent of viable cells (quantified by MTT assay) was normalized against untreated control cells (0 μg/mL). Data are mean ± SEM of three independent experiments performed in triplicate. and versus untreated control cells.