TABLE 2.
ANTIOXIDANT ACTIVITY OF HOT WATER EXTRACT OF HELICTERES ISORA (L.) FRUITS
| Extract/Standard | IC50 values±SEM* (μg/ml) | % Antioxidant activity ß-carotene linoleate | |
|---|---|---|---|
| DPPH | TBARS | ||
| Hot water extract | 25.12±0.18 | 740.64±4.76 | 45.63% |
| Ascorbic acid | 2.75±0.29 | - | 91.65% |
| Rutin | 7.89±0.51 | - | - |
| α- tocopherol | - | 91.17±0.24 | - |
*
Average of three independent determinations, three replicates, and values are mean±SEM. IC50=Concentration of the sample/standard required to inhibit 50% of free radicals, DPPH=1,1-diphenyl-2-picryl hydrazyl, TBARS=Thiobarbituric acid reactive species, SEM=Standard error mean.