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
xan·thu·ren·ic acid (z n th -r n  k, znthy-)n. A yellow crystalline phenolic acid excreted in the urine of pyridoxine-deficient test animals that have been fed a diet containing additional tryptophan. |
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.
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