Table 2.
Yields and optimum conditions of conventional solid–liquid extraction reported in the literature.
| Raw Material | Solvent | S:L Ratio (g/mL) | T (°C) | t (min) | Yield | Reference |
|---|---|---|---|---|---|---|
| Freeze-dried and milled saffron flowers | Water:HCl 100:1 (v/v) |
1/30 | 25 | 60 | 13.57 ± 1.16 mgGAE/gDrySF | [17] |
| Saffron flowers | Ethanol:Water 59% (v/v) |
1/3 | 66 | 104 | 11.34 ± 3.00 mgGAE/gDrySF | [30] |
| Dried and milled saffron flowers | Ethanol:acidified water 50% (v/v) | 1/15 | 25 | 1440 | 1712 mgCGE/L | [31] |
| Dried and milled saffron flowers | Ethanol:Water 25% (v/v) |
1/20 | 25 | 1440 | 1609 mgCGE/L | [32] |