Figure 5. Comparison of the antioxidant effect of NADH and NAD on the kinetics of diformazan formation in the reaction of adrenaline autoxidation: 1 – 1.0 mM NADH; 2 – 1.0 mM NAD; 3 – control. Reaction conditions: 0.2 M carbonate buffer, pH 10.6; 0.05 mM NBT, 0.058 mM adrenaline. Temperature 20°C.