Composition and analysis of the carotenoids in marigold petals.
D000821:Animal Feed / Q000032:analysis; D002338:Carotenoids / Q000032:analysis*; D002845:Chromatography; D006863:Hydrogen-Ion Concentration; D014975:Lutein / Q000032:analysis; D008722:Methods; D010860:Pigments, Biological / Q000032:analysis; D010944:Plants / Q000032:analysis*
D010860:Pigments, Biological; D002338:Carotenoids; D014975:Lutein