Fig. 4From: Promotion of HepG2 cell apoptosis by flower of Allium atroviolaceum and the mechanism of actionVariation in the percentage of HepG2 cells present in each phase of the cell cycle in time and dose course. Comparison between untreated cells and cells exposed to IC25 = 42, IC50 = 26.67 and IC75 = 11.67 of FAA for (a) 24, (b) 48 and (c) 72 h. Values are presented as means (n = 3) ± S.E. *signified (p < 0.05)Back to article page