Table 6.
IC50 value and % inhibition of the DPPH radical scavenging and lipid peroxidation inhibition assays.
| Compounds | IC50 a Values (µM/mL) ± S.E.M b and Max. inhibition % ± S.E.M | |
|---|---|---|
| DPPH Radical Scavenging | Lipid Peroxidation Inhibition | |
| 1 | 96.73 ± 1.87 (51.25 ± 0.82) | 38.84 ± 1.54 (73.99 ± 1.30) |
| 3 | 68.03 ± 1.27 (65.21 ± 0.55) | 56.00 ± 5.05 (74.64 ± 1.68) |
| 4 | > 100 c (26.09 ± 0.33) | 33.20 ± 2.91 (84.99 ± 1.37) |
| 5 | 85.30 ± 1.16 (65.26 ± 0.38) | 16.07 ± 3.51 (83.99 ± 1.65) |
| BHT | >100 c (25.23 ± 0.17) | 36.67 ± 1.78 (79.45 ± 1.27) |
| Ascorbic acid | 67.77 ± 0.17 (71.93 ± 1.61) | - |
| α-TOH | - | 5.63 ± 1.09 (84.69 ± 1.23) |
a IC50: 50% effective concentration; b S.E.M: standard error of the mean; c did not reach 50% inhibition.