5-Methyltryptophan and darkening of the hair in yellow Ay/a mice.
D000818:Animals; D001688:Biological Products; D006197:Hair; D051379:Mice; D010860:Pigments, Biological; D014364:Tryptophan / Q000031:analogs & derivatives
D001688:Biological Products; D010860:Pigments, Biological; C004182:5-methyltryptophan; D014364:Tryptophan
HAIR; PIGMENTS; TRYPTOPHAN/related compounds