Table 1 Test to determine suitable solvent for lutein and zeaxanthin extraction and purification
Solvent | Wt. of kemin sample (mg) | Vol. of solvent (L) | Concentration lutein (mg/L) | Concentration zeaxanthin (mg/L) | Yield lutein (%) | Yield zeaxanthin (%) |
|---|---|---|---|---|---|---|
Ethanol | 10.1 | 0.02 | 77.03 | 4.34 | 15.25 | 0.86 |
Ethyl acetate | 9.8 | 0.02 | 71.76 | 4.16 | 14.64 | 0.85 |
Methanol | 10 | 0.02 | 50.34 | 2.81 | 10.07 | 0.56 |
Acetonitrile | 9.8 | 0.02 | 43.2 | 2.38 | 8.82 | 0.49 |
Water | 9.8 | 0.02 | 38.88 | 2.19 | 7.93 | 0.45 |