Table 5 Published solvent systems used for lutein and zeaxanthin purifications
Source | Extract compounds | Solvent system (volumetric ratio) | K D |
|---|---|---|---|
Spinach (Aman et al. 2005) | Lutein, zeaxanthin | n-hexane/ethanol/water (6:5:1.3) | 0.77 (L) 0.60 (Z) |
Sweet corn (Aman et al. 2005) | Lutein, zeaxanthin | n-hexane/ethanol/water (6:5:1.3) | 0.77 (L) 0.60 (Z) |
Dietary supplement (Aman et al. 2005) | Lutein, zeaxanthin | n-hexane/ethanol/water (6:5:1.3) | 0.77 (L) 0.60 (Z) |
Marigold flower (Wei et al. 2003) | Lutein | n-heptane/chloroform/acetonitrile (10:3:7) | 0.611 (L) |
Microalgae (Li et al. 2001) | Lutein | n-hexane/ethanol/water (4:3:1) | 0.538 (L) |
Microalgae (Chen et al. 2005) | Zeaxanthin | n-hexane/ethyl acetate/ethanol/water (8:2:7:3) | 1.384 (Z) |