Table 1.
Extraction efficiency (%) per extraction technique and solvent used with both olive and mimosa leaves.
| Plants | Olive | Mimosa | ||||||
|---|---|---|---|---|---|---|---|---|
| Extraction Technique | Extraction Technique | |||||||
| Solvent | Solid-liquid | Ultrasound | Soxhlet | Microwave | Solid-liquid | Ultrasound | Soxhlet | Microwave |
| Water | 5.7 ± 0.9 c | 6.2 ± 0.9 c | 12 ± 1.2 d | 11 ± 0.8 d | 8.1 ± 0.8 a | 6.4 ± 1.2 a | 13 ± 1.4 b | 12 ± 1.8 b |
| Methanol | 7.2 ± 0.3 c | 6.0 ± 1.1 c | - | - | 7.9 ± 0.4 a | 5.7 ± 1.1 a | - | - |
| Ethanol | 4.1 ± 1.3 c | 4.6 ± 0.7 c | - | - | 6.0 ± 2.2 a | 4.2 ± 1.3 a | - | - |
| Acetone | 6.8 ± 1.1 c | 7.4 ± 0.3 c | - | - | 5.1 ± 0.8 a | 2.8 ± 0.0 a | - | - |
| Dichloromethane | 6.2 ± 1.6 c | 2.8 ± 0.3 b | - | - | 4.1 ± 1.5 a | 3.8 ± 2.1 a | - | - |
| Hexane | 0.9 ± 0.1 a | 3.2 ± 1.3 b | - | - | 7.8 ± 2.1 a | 3.7 ± 0.1 a | - | - |
(-)—not evaluated. For each plant and extraction method/solvent, different lower case letters were assigned in alphabetic order from the lowest to the highest value.