Rottlerin Inhibits ROS Formation and Prevents NF𝜅B Activation in MCF-7 and HT-29 Cells

Figure 3

UV spectra of DPPH/Rottlerin solutions in absolute ethanol. (a) 20 𝜇M DPPH ethanol solution (A); (b) spectrum of the mixture DPPH/Rottlerin obtained by mixing 2.5 ml of solution A with 0.5 ml of solution B (10∶1 molar ratio); (c) 2.0 ml of solution A with 1 ml of solution B (4∶1 molar ratio); (d) 1.5 ml of solution A with 1.5 ml of solution B (2∶1 molar ratio); (e) spectrum of 10 𝜇M Rottlerin ethanol solution (B).