Table 2.
Apparent solubility and extraction efficiency of β-carotene in the selected NADES measured by spectrophotometric method.
| NADES | Composition | β-carotene solubility (µg/mL) | Extraction efficiency of β-carotene from pumpkin (µg/mL) |
|---|---|---|---|
| Caprylic acid: Capric acid | C8:C10 (2:1) | 179.44 ± 0.32 | 93.17 ± 0.92 |
| Caprylic acid: Capric acid | C8:C10 (3:1) | 200.77 ± 0.42 | 96.74 ± 1.03 |
| Caprylic acid: Capric acid | C8:C10 (4:1) | 136.61 ± 0.49 | 77.81 ± 1.05 |
| Caprylic acid: Lauric acid | C8:C12 (3:1) | 149.81 ± 0.37 | 81.52 ± 0.96 |
| Pelargonic acid: Lauric acid | C9:C12 (3:1) | 152.75 ± 0.62 | 81.90 ± 1.55 |
| Capric acid: Lauric acid | C10:C12 (2:1) | 148.42 ± 0.56 | 83.46 ± 1.26 |
| Pelargonic acid: Capric acid: Lauric acid | C9:C10:C12 (3:1:1) | 191.66 ± 0.54 | 83.66 ± 2.09 |
| DL-menthol: Capric acid | M:C10 (2:1) | 180.22 ± 0.59 | 90.33 ± 1.15 |
| DL-menthol: Caprylic acid | M:C8 (1:1) | 172.94 ± 0.62 | 89.49 ± 1.03 |
| DL-menthol: Lauric acid | M:C12 (2:1) | 97.18 ± 0.49 | 81.41 ± 0.98 |