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.
| Compound | IC50 of DPPH radical oxidation inhibition rate (mM) | IC50 of ABTS radical oxidation inhibition rate (μM) |
| Piperine | — | — | H-1 | 0.21 ± 0.43 | 8.70 ± 0.092 | H-2 | 1.25 ± 0.14 | 6.15 ± 0.066 | H-3 | 7.82 ± 2.52 | 6.04 ± 0.34 | VC | 0.00097 ± 0.00078 | 9.80 ± 1.46 |
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