Figure 1: Effects of S. oxysepala methanolic subfractions on viability of the cells after 24 h and 36 h, using MTT assay. (a) MCF-7 in 24 h; (b) MCF-7 in 36 h; (c) WEHI-164 in 24 h; (d) WEHI-164 in 36 h; (e) L929 in 24 h; and (f) L929 in 36 h. Values are presented as means () ± SE. represents significant statistical difference () relative to the blank control.