Fig. 2.

Effect of 5,7-DMF compared to chrysin (A), 7-MF compared to 7-HF (B), and 7,4′-DMF compared to 7,4′-DHF (C) on aromatase activity. □, methylated flavones; ●, unmethylated flavones. The data are expressed as percent of control. Mean values ± SEM (in many cases smaller than the symbols) are shown (n = 4 - 10).