Table 2.
Total phenolic content, total flavonoid content and antioxidant activity of Pulicaria odora crude extract and its fractions.
| Sample | Phenolic compounds |
Antioxidant activity |
||
|---|---|---|---|---|
| Total phenolic content (mg GAE/g DE) | Total flavonoid content (mg CE/g DE) | DPPH |
ABTS |
|
| IC50 (mg/ml) | IC50 (mg/ml) | |||
| Crude extract | 594.5 ± 59.6ab | 184.5 ± 18.7a | 0.067 ± 0.006c | 0.25 ± 0.007cd |
| Chloroform fraction | 418.7 ± 48.2c | 43.91 ± 3.59c | 3.42 ± 0.35a | 2.19 ± 0.19a |
| Ethyl acetate fraction | 619.9 ± 51.3a | 164 ± 8.12a | 0.26 ± 0.02c | 0.45 ± 0.03bc |
| n-butanol fraction | 586.66 ± 14.29ab | 189.06 ± 5.43a | 0.32 ± 0.01c | 0.61 ± 0.01b |
| Aqueous fraction | 489.96 ± 7.64bc | 70.54 ± 3.01b | 1.42 ± 0.21b | 0.24 ± 0.03cd |
| Ascorbic acid | NA | NA | 0.049 ± 0.0008c | 0.041 ± 0.0004d |
Data were expressed as mean ± SEM (n = 3).
a-e Values bearing the same letters show no significant differences (P < 0.05).
NA, Not Applicable.