Research Article

Synthesis and Antioxidative Activity of Piperine Derivatives Containing Phenolic Hydroxyl

Table 1

IC50 of the DPPH and ABTS free radical inhibition rates of the different piperine derivatives.

CompoundIC50 of DPPH radical oxidation inhibition rate (mM)IC50 of ABTS radical oxidation inhibition rate (μM)

Piperine
H-10.21 ± 0.438.70 ± 0.092
H-21.25 ± 0.146.15 ± 0.066
H-37.82 ± 2.526.04 ± 0.34
VC0.00097 ± 0.000789.80 ± 1.46