Table 2.
Results of DPPH radical scavenging activity (IC50), FRAP assay, Ferrous chelation activity and Inhibition of lipid peroxidation (LPO)
| Sample | DPPH IC50(μg/ml) | FRAP (mmole Fe/kg) | Fe2+chelation IC50(mg/ml) | % of LPO inhibition |
|---|---|---|---|---|
| WSLEt |
101.73±8.96c |
3.29±8.03c |
0.22±0.04c |
79.67±3.85c |
| WSREt |
801.93±7.92a |
2.26±1.46e |
0.37±0.02b |
69.87±4.85d |
| WSFEt |
345.68±8.98b |
3.13±21.52d |
0.65±0.02a |
72.11±6.40d |
| Ascorbic acid |
25.95±1.08d |
10.86±9.52b |
NA |
100.28±1.07b |
| BHT |
38.14±0.89d |
12.57±13.23a |
NA |
NA |
| EDTA |
NA |
NA |
0.13±0.01d |
NA |
| TBHQ | NA | NA | NA | 104.516±6.34a |
Different letters in each column indicate a significant difference (p<0.05). NA = Not applicable.