Fig. 4

Cell viability percentage for the (a) cancer cells (HT-29) and (b) normal human fibroblastic cells (L929) for 24, 48, and 72 h incubation with pure Curcumin and prepared nanodispersions at optimum proportions of emulsifiers (mean values ± standard deviation of triplicate assays from three independent experiments). *, ** Significantly different from control at p < 0.01, p < 0.05, respectively