xanthurenic acid

xanthurenic acid
The sulfur-yellow crystals form a red compound with Millon reagent, or an intensely green one with ferrous sulfate; excreted in the urine of pyridoxine-deficient animals after the ingestion of tryptophan, and of rats fed almost exclusively with fibrin.

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xanth·uren·ic acid .zanth-yə-.ren-ik- n a yellow crystalline phenolic acid C10H7NO4 closely related to kynurenic acid and excreted in the urine when tryptophan is added to the diet of experimental animals deficient in pyridoxine

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

Medical dictionary. 2011.

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