Skip to main content

Advertisement

Table 5 Published solvent systems used for lutein and zeaxanthin purifications

From: Quantification and purification of lutein and zeaxanthin recovered from distillers dried grains with solubles (DDGS)

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)
  1. Knowledge of previously used solvent systems aid in selection of a suitable solvent system