Table 1.
Antioxidant and antidiabetic activities (IC50 values) of the crude extract, fractions, and certain compounds of DP via DPPH radical scavenging and α-glucosidase inhibitory assays
| Sample | Antioxidant% [µg/ml] | α-glucosidase inhibitory % [µg/ml] |
|---|---|---|
| Crude extract | 11.56 ± 0.59 | > 1000 |
| n-Hexane fraction | 160.67 ± 8.41 | - |
| CH2Cl2 fraction | 33.01 ± 2.13 | 214.9 ± 0.58 |
| EtOAc fraction | 14.20 ± 0.72 | 60.4 ± 1.2 |
| Aqueous fraction | 21.91 ± 1.46 | - |
| 4 | 13.31 ± 0.78 | 37.19 ± 2.06 |
| 5 | 4.75 ± 0.52 | 223.70 ± 7.49 |
| 8 | 3.61 ± 0.31 | 418.02 ± 8.28 |
| 9 | 74.12 ± 3.68 | 18.38 ± 1.27 |
| 10 | 3.30 ± 0.27 | 91.29 ± 3.46 |
| Ascorbic acid (Standard) | 10.22 ± 0.64 | - |
| Acarbose (Standard) | - | 3.12 ± 0.28 |