Figure 5From: Inhibition of carcinogen induced c-Ha-ras and c-fos proto-oncogenes expression by dietary curcuminCurcuminoid compounds Curcumin: R1 = R2 = OCH3 (77%) Desmethoxycurcumin: R1 = H, R2 = OCH3 (17%) Bisdesmethoxycurcumin: R1 = R2 = H (3%)Back to article page