From: Effects of formulated Nigerian yellow maize, soybean, and crayfish blends on some growth performance and physiological status
Carotenoid
Typical Rf value
Î’-carotene
0.99
Echinenone
0.87
Astaxanthin Di-esters
0.75
Astaxanthin Monoesters
0.50
Canthaxanthin
0.40
Astaxanthin Free
0.33
Lutein
0.25