Table 1.
ABTS and DPPH free radical scavenging potential of crude extract, sub fractions of Pistacia integerrima galls and ascorbic acid (standard).
| Sample | Concentration (μg/mL) | ABTS % inhibition (±S.E.M) | ABTS IC50 (μg/mL) | DPPH %inhibition (mean ± S.E.M) | DPPH IC50 (μg/mL) |
|---|---|---|---|---|---|
| Crude | 1000 | 78.44 ± 1.21 | 84.81 ± 0.60 | ||
| 500 | 67.08 ± 1.38 | 77.21 ± 0.58 | |||
| 250 | 55.69 ± 1.07 | 220.5 | 63.29 ± 0.80 | 83 | |
| 125 | 46.83 ± 1.59 | 53.16 ± 1.13 | |||
| 62.5 | 36.82 ± 2.15 | 39.24 ± 0.52 | |||
| Chloroform | 1000 | 78.88 ± 0.46 | 79.74 ± 0.54 | ||
| 500 | 70.88 ± 0.54 | 69.62 ± 1.79 | |||
| 250 | 63.29 ± 0.67 | 102 | 60.75 ± 2.23 | 153 | |
| 125 | 50.63 ± 2.14 | 51.83 ± 0.69 | |||
| 62.5 | 39.24 ± 0.84 | 35.44 ± 0.76 | |||
| Ethyl acetate | 1000 | 83.54 ± 1.03 | 86.07 ± 0.72 | ||
| 500 | 75.94 ± 0.79 | 46 | 75.94 ± 1.61 | 81 | |
| 250 | 65.82 ± 0.75 | 67.08 ± 0.91 | |||
| 125 | 51.89 ± 0.88 | 51.89 ± 1.22 | |||
| 62.5 | 41.77 ± 0.63 | 37.97 ± 0.37 | |||
| Aqueous | 1000 | 79.74 ± 0.74 | 84.81 ± 1.20 | ||
| 500 | 72.15 ± 2.29 | 110 | 68.35 ± 1.16 | ||
| 250 | 56.96 ± 2.67 | 59.49.± 0.58 | 84 | ||
| 125 | 53.03 ± 0.52 | 50.63 ± 1.25 | |||
| 62.5 | 50.63 ± 3.08 | 46.83 ± 2.36 | |||
| n-hexane | 1000 | 75.94 ± 0.59 | 77.21 ± 2.00 | ||
| 500 | 68.35 ± 0.76 | 67.08 ± 2.60 | |||
| 250 | 60.75 ± 2.44 | 163 | 56.96 ± 1.26 | 195 | |
| 125 | 48.10 ± 1.21 | 48.11 ± 0.84 | |||
| 62.5 | 37.97 ± 0.65 | 37.97 ± 0.60 | |||
| Ascorbic acid | 1000 | 88.93 ± 0.96 | 93.32 ± 0.93 | ||
| 500 | 85.39 ± 0.79 | 86.90 ± 0.89 | |||
| 250 | 76.32 ± 2.23 | 24 | 80.68 ± 2.16 | 16 | |
| 125 | 68.96 ± 3.09 | 72.61 ± 0.85 | |||
| 62.5 | 60.28 ± 1.31 | 61.31 ± 0.66 |