title: 5-S-cysteinyldopa and trichochromes in red feathers.
abstract: Red cock feathers (Rhode Island) were found to contain dopa and cysteinyldopa, trichochromes B and C, and two unidentified trichochromes. Trichochromes E and F were not found. Previous findings of trichochromes E and F may be explained as artifacts.
mesh_terms: D000818:Animals; D002645:Chickens; D003548:Cysteinyldopa / Q000032:analysis*; D004295:Dihydroxyphenylalanine / Q000031:analogs & derivatives*; D005241:Feathers / Q000032:analysis*; D010860:Pigments, Biological / Q000032:analysis*
chemical_list: D010860:Pigments, Biological; D003548:Cysteinyldopa; D004295:Dihydroxyphenylalanine