title: A comparative study of tryptophan metabolism in skins and livers of black and albino rats.
abstract: The skin of black rats contains less tryptophan than the skin of albino rats, possibly because the activity of tryptophan pyrrolase is higher. The opposite is found in liver, possibly because tryptophan pyrrolase activity is lower in the livers of black rats.
mesh_terms: D000417:Albinism / Q000378:metabolism*; D000818:Animals; D008099:Liver / Q000378:metabolism*; D009115:Muridae; D011753:Pyrones / Q000494:pharmacology; D051381:Rats; D012867:Skin / Q000378:metabolism*; D012880:Skin Pigmentation; D014364:Tryptophan / Q000378:metabolism*; D014366:Tryptophan Oxygenase / Q000378:metabolism
chemical_list: D011753:Pyrones; C041042:4-hydroxy-6-undecyl-2H-pyran-2-one; D014364:Tryptophan; C041044:4-hydroxy-6-((1-butyl)heptyl)-2H-pyran-2-one; C041043:4-methoxy-6-((1-butyl)heptyl)-2H-pyran-2-one; D014366:Tryptophan Oxygenase