Table 1.
Comparison of the extraction yiled (%) of different MEs (water 40 g, MPP 20 mg) under various SORs (surfactant: lutein ratios).
| Surfactant | SOR (%w/w) |
|||||
|---|---|---|---|---|---|---|
| 100:1 | 200:1 | 500:1 | 1000:1 | 2000:1 | 5000:1 | |
| Lec | 3.12 ± 0.14r | 5.11 ± 0.23pq | 5.06 ± 0.19pq | 4.99 ± 0.25q | 5.01 ± 0.06q | 4.73 ± 0.02q |
| Sap | 5.35 ± 0.16opq | 7.25 ± 0.34jkl | 6.94 ± 0.77klm | 6.56 ± 0.30lmn | 6.11 ± 0.54n | 5.78 ± 0.36nop |
| Rhl | 3.56 ± 0.09r | 4.74 ± 0.62q | 5.91 ± 0.24no | 6.20 ± 0.16n | 6.13 ± 0.40n | 5.89 ± 0.39no |
| SMP | 6.11 ± 0.37n | 8.11 ± 0.09i | 8.09 ± 0.24i | 8.00 ± 0.36i | 8.05 ± 0.19i | 7.91 ± 0.56ij |
| T20 | 10.76 ± 0.29de | 12.31 ± 0.74bc | 12.08 ± 0.18c | 12.00 ± 0.17c | 11.74 ± 0.05c | 11.87 ± 0.66c |
| T80 | 10.84 ± 0.13d | 12.19 ± 0.50c | 12.32 ± 0.04bc | 13.00 ± 0.23ab | 13.22 ± 0.60a | 13.04 ± 0.97a |
| S20 | 6.50 ± 0.91mn | 7.60 ± 0.34ijk | 9.06 ± 0.48h | 10.20 ± 0.43def | 10.04 ± 0.13ef | 9.31 ± 0.07gh |
| SDS | 8.36 ± 0.51i | 10.40 ± 0.52def | 10.21 ± 0.36def | 10.32 ± 0.15def | 9.94 ± 0.67fg | 9.69 ± 0.10fgh |
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).
Bold numbers represent the SORs at which maximum yield was achieved (i.e., SORmax).