Table 1 Effect of solvent concentration on α-glucosidase inhibitory activity and andrographolide yield from A. paniculata extracts
Extraction solvent | Inhibition (% ± SD)a | Andrographolide content (mg/g ± SD)b |
|---|---|---|
Water | 54.80 ± 4.05 | 25.18 ± 1.49 |
30% ethanol | 58.42 ± 2.41 | 50.29 ± 1.43 |
50% ethanol | 79.66 ± 6.45 | 114.56 ± 2.30 |
70% ethanol | 60.02 ± 0.32 | 96.48 ± 0.89 |
Pure ethanol | 49.58 ± 0.97 | 102.08 ± 2.73 |