Table 2.
DPPH free radical scavenging activity of isolates of Mangifera pajang
| Samples ( Mangifera pajang ) | Crude extracts/compounds | IC 50 (μg/mL) |
|---|---|---|
| Kernel | Petroleum ether | >300 |
| Chloroform | >300 | |
| Ethyl acetate | 7.28 ± 0.30 | |
| Methanol | 8.84 ± 1.04 | |
| Stem bark | Petroleum ether | >300 |
| Chloroform | >300 | |
| Ethyl acetate | >300 | |
| Methanol | >300 | |
| Leaves | Petroleum ether | >300 |
| Chloroform | >300 | |
| Ethyl acetate | 104.05 ± 1.02 | |
| Methanol | 186.26 ± 0.99 | |
| Isolated compounds | (1) | 6.24 ± 0.3 |
| (4), (5), (7), (8) | >300 | |
| Standard | Ascorbic acid | 6.69 ± 0.02 |
>300 μg/mL: Inactive, <10 μg/mL: highly active, 50 to 150 μg/mL: moderately active, 150 to 300 μg/mL: weakly active.