xanthurenic acid


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Related to xanthurenic acid: kynurenic acid, Quinolinic Acid

xanthurenic acid

 [zan″thu-ren´ik]
a metabolite of l-tryptophan, present in normal urine and in increased amounts in vitamin B6 deficiency.

xan·thu·ren·ic ac·id

(zan'thū-rēn'ik as'id),
C10H7NO4; This compound a metabolic product resulting from indoleamine 2,3-dioxygenase (IDO) breakdown of tryptophan, may accumulate in human lens cells and play a role in senile-onset lens pathology, leading to lens cell apoptosis. Excreted in the urine of pyridoxine-deficient animals after the ingestion of tryptophan, and of rats fed almost exclusively with fibrin, the sulfur-yellow crystals form a red compound with Millon reagent, or an intensely green one with ferrous sulfate.

xanthurenic acid

/xanth·u·ren·ic ac·id/ (zanth″u-ren´ik) a bicyclic aromatic compound formed as a minor catabolite of tryptophan and present in increased amounts in urine in vitamin B6 deficiency and some disorders of tryptophan catabolism.

xanthurenic acid

[zan′thoo͡rē′nik]
a metabolite of tryptophan that occurs in normal urine and in elevated levels in patients with vitamin B6 deficiency.

xanthurenic acid

a metabolite of l-tryptophan, present in normal urine and in increased amounts in vitamin B6 deficiency.