Table 3.
Extraction yields of total alkaloids, peimisine, peimine and peiminine and antioxidant capacity of total extract from the bulb of F. thunbergii Miq. (mean ± SD, n = 4).
| Extraction Condition | Total Alkaloids Yield (mg/g) | Peimisine Yields (mg/g) | Peimine Yields (mg/g) | Peiminine Yields (mg/g) | DPPH EC50(mg/mL) | ABTS EC50 (mg/mL) | FRAP (mg AAE/100 g) | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| SFE: extraction | 3.8 E | 3.8 P | 0.5 E | 0.5 P | 1.3 E | 1.3 P | 1.3 E | 1.3 P | 5.5 | 0.3 | 118.2 |
| Soxhlet extraction | 3.0 | 0.3 | 1.0 | 1.0 | 8.4 | 1.8 | 58.2 | ||||
Note: E, experimental; P, predicted; (SFE extraction condition, time, 3.0 h; temperature, 60.4 °C; pressure, 26.5 MPa; modifier, 89.3% ethanol; flow, 0.4 mL/L; CO2, 2 g/L. Soxhlet extraction condition: time, 7 h, solvent, 89.3% ethanol).