FIGURE 2.
Decreasing effects of polyphenolic compounds on DNA biosynthesis in CAL-27 cells. The cells were incubated with specified concentration [μg/mL] of respective polyphenols for 24 h and [3H]-thymidine incorporation into CAL-27 was measured in scintillation counter. Cisplatin (10 μM) was used as a positive control. The values represent mean ± SEM of two independent experiments conducted three times (n = 6). The stars indicate that value were significantly different (∗p < 0.001) compared with control.