Table 3.
DPPH radical scavenging activity (% Inhibition) of C. papaya seed extracts.
Concentration | Hexane | Methanol | Ethylacetate | Aqueous | L-Ascorbic (standard) |
---|---|---|---|---|---|
20 | 71.39 ± 0.59b | 76.33 ± 0.41ab | 74.19 ± 0.93b | 50.23 ± 0.33b | 8.18 ± 0.34 |
40 | 83.02 ± 0.84ab | 80.27 ± 0.38b | 79.73 ± 0.25b | 76.52 ± 0.14b | 17.05 ± 0.01 |
60 | 88.89 ± 1.34ab | 85.38 ± 0.37b | 85.68 ± 0.31b | 79.89 ± 0.16b | 48.82 ± 0.02 |
80 | 90.05 ± 0.54ab | 88.73 ± 0.38b | 87.85 ± 0.50b | 82.39 ± 0.05b | 49.53 ± 0.06 |
100 | 92.33 ± 0.52ab | 89.95 ± 0.09b | 89.73 ± 0.10b | 86.28 ± 0.33b | 58.62 ± 0.69 |
IC50 (mg/ml) | 41.48 | 42.38 | 42.61 | 45.68 | 80.89 |
Values are Mean ± SD (n = 3).
Significantly (p < 0.05) higher compared to other extract at the same concentration.
Significantly (p < 0.05) higher compared to L-ascorbic acid at the same concentration.