Table 4.
Inhibitory effects of the 70% ethanolic extract of A. aserifolia and its n-hexane, EtOAc-, n-BuOH-, and H2O-soluble por tions against α-glucosidase
| Conc. (mg/mL) | Inhibition (%)
| IC50 (µg/mL) |
| 1000 | 500 | 250 | 100 | 50 | 10 |
| 70% EtOH ext. | 72.1 | 51.4 | 23.6 | 3.8 | 2.5 | 1.5 | 482.5±12.9 |
| n-Hexane layer | 54.3 | 36.9 | 5.8 | 0.2 | 0.1 | 0.0 | <500 |
| EtOAc layer | 99.5 | 98.5 | 95.7 | 47.0 | 8.7 | 1.0 | 103.4±1.0 |
| n-BuOH layer | 92.8 | 82.0 | 49.0 | 28.4 | 5.6 | 1.7 | 221.1±19.5 |
| H2O layer | 82.8 | 71.0 | 57.2 | 35.1 | 11.6 | 3.2 | 203.2±16.8 |
| (+)-Catechin1) | 67.9 | 50.6 | 43.1 | 37.8 | 5.7 | 3.5 | 501.1±17.5 |
Used as a positive control.