TABLE 5.
ANTIOXIDANT PROFILE OF E. HIRTA FLOWER EXTRACT
| Sample | Sample conc. (μg/ml) | DPPH radical scavenging activity (% inhibition) | Superoxide anion scavenging activity (% inhibition) | Percentage scavenging of nitric oxide | Reducing power activitya (absorbance) |
|---|---|---|---|---|---|
| Alcoholic extract | 250 | 50.2±1.7* | 66.12±1.5* | 34.6±2.1* | 0.540 |
| Ascorbic acid | 250 | 95.44±1.4* | 69.16±1.6 | 39.86±2.1 | 0.292 |
| BHA | 250 | 88.05±1.0* | 67.74±3.1* | 30.89 ±2.7* | 0.248 |
a
Increased absorbance indicates increased reducing power All values represent Mean±SEM
*
p<0.01