Synthesis and Antioxidative Activity of Piperine Derivatives Containing Phenolic Hydroxyl

Figure 3

Protective effect duration of piperine derivatives on AAPH-induced erythrocyte hemolysis and time curves. (a) Time curves of the protective effects of piperine derivatives on AAPH-induced erythrocyte hemolysis at a concentration of 50 μM. (b) The relationship between the protective effects of piperine derivatives at different concentrations and AAPH-induced erythrocyte hemolysis after 2 h incubation.

(a)

(b)