Table 4

Inhibition of colony formation of SW 480 and MDA MB468 cells by three phenols

IC50m)a
SW 480MDA MB468
Caffeic acid17.1 ± 2.820.7 ± 4.0
Protocatechuic acid21.6 ± 5.7170.0 ± 10.0
Tricin16.0 ± 3.60.6 ± 0.2
  • a Values are the mean ± SD of three to six separate observations. For conditions of cell culture and experimental design, see “Materials and Methods.”