urocanic acid
English
editEtymology
editLatin urina (“urine”) and canis (“dog”), because first isolated in 1874 from dog urine.
Noun
edit- (organic chemistry) An intermediate in the catabolism of L-histidine, transformed in the liver by urocanate hydratase (or urocanase) into 4-imidazolone-5-propionic acid and subsequently to glutamic acid.