Table 3.
The percentage nitric oxide radical scavenging activity obtained from different fractions of ethanolic extract of Ficus platyphylla stem bark.
| Concentration of fractions of Ficus platyphylla stem bark (μg/mL) | % NO inhibition activity of different fractions of Ficus platyphylla stem bark | ||||
|---|---|---|---|---|---|
| Ethyl acetate | Methanol | Petroleum ether | Chloroform | Ascorbic acid | |
| 20 | 80.14 ± 0.04a | 92.42 ± 0.08a | 81.64 ± 0.02a | 77.60 ± 0.04a | 94.32 ± 0.03a |
| 40 | 79.46 ± 0.08b | 87.24 ± 0.07b | 80.06 ± 0.07a | 75.63 ± 0.04a | 90.22 ± 0.04a |
| 60 | 72.84 ± 0.07a | 84.63 ± 0.05ab | 75.95 ± 0.05a | 71.02 ± 0.04a | 84.39 ± 0.07c |
| 80 | 71.228 ± 0.0c | 81.26 ± 0.09c | 71.46 ± 0.02a | 70.26 ± 0.06b | 82.84 ± 0.10ab |
| 100 | 68.64 ± 0.05bc | 77.88 ± 0.03c | 68.52 ± 0.03a | 69.62 ± 0.06ab | 80.32 ± 0.04b |
| 200 | 63.99 ± 0.04c | 73.01 ± 0.09bc | 61.38 ± 0.07a | 67.24 ± 0.09c | 78.46 ± 0.07c |
| 400 | 61.34 ± 0.03d | 68.46 ± 0.04bcd | 57.90 ± 0.03b | 61.92 ± 0.04c | 72.78 ± 0.05d |
Values are expressed as mean ± SD of triplicate determination. Values bearing different superscript are statistically significant at P < 0.05 (Tukey's multiple comparison test).