Table 3.
Effect of preparation methods on lutein extraction efficiency (%) of different microemulsions (water 40 g, MPP 20 mg) under SORmax and SCRmax.
| Surfactant | SORmax (%w/w) | Co-surfactant | SCRmax (%w/w) | Extraction yield (%)∗ |
|
|---|---|---|---|---|---|
| Method A | Method B | ||||
| Lec | 200:1 | 1-PrOH | 2:1 | 11.71 ± 0.49k | 25.36 ± 0.76f |
| Sap | 200:1 | 1-PrOH | 1:2 | 13.71 ± 0.83j | 33.00 ± 0.43c |
| Rhl | 1000:1 | EtOH | 2:1 | 12.57 ± 0.95jk | 26.50 ± 0.82ef |
| SMP | 200:1 | 1-PrOH | 1:5 | 15.19 ± 0.72i | 25.52 ± 0.24f |
| T20 | 200:1 | 1-PrOH | 1:50 | 22.94 ± 1.06g | 32.91 ± 0.11c |
| T80 | 2000:1 | 1-PrOH | 2:1 | 27.76 ± 1.17e | 39.41 ± 0.40a |
| S20 | 1000:1 | 1-PrOH | 1:50 | 23.46 ± 0.99g | 35.67 ± 0.53b |
| SDS | 200:1 | EtOH | 1:2 | 20.85 ± 0.92h | 29.54 ± 0.79d |
Different small letters represent significant difference (p< 0.05).
∗
Efficiencies were reported in comparison to acetone extraction (lutein content of MPP = 15.83 mg/g).