Table 5.
Antioxidant and anti-diabetic activity of S. chirata leaves harvested at different plant phases and extracted with different solvents.
| Plant | Harvesting stage | Solvents | DPPH (%) | Percentage inhibition of α‑amylase |
|---|---|---|---|---|
| S. chirata | Bud-stage |
Methanol Ethanol |
67.3 ± 3.89b,c 65.4 ± 2.21b,c |
75.2 ± 3.42a,b 74.5 ± 2.12a,b |
| Aqueous ethanol (50%) | 82.1 ± 4.01a | 77.6 ± 2.23a | ||
| Aqueous | 70.2 ± 2.23b | 72.1 ± 4.54a,b | ||
| Flower-stage |
Methanol Ethanol |
64.1 ± 3.54b,c 62.5 ± 2.06c |
73.3 ± 4.11a,b 72.7 ± 2.29a,b |
|
| Aqueous ethanol (50%) | 78.4 ± 4.25a | 74.2 ± 3.04a,b | ||
| Aqueous | 68.2 ± 3.24b,c | 69.5 ± 3.25b |