kynurenic acid

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kyn·u·ren·ic ac·id

(kin'yū-rē'nik as'id, -ren'ik),
A product of the metabolism of l-tryptophan; appears in human urine in states of marked pyridoxine deficiency.

kynurenic acid

/kyn·uren·ic ac·id/ (kin″u-ren´ik) a bicyclic aromatic compound formed from kynurenine in a pathway of tryptophan catabolism and excreted in the urine in several disorders of tryptophan catabolism.

ky·nu·ren·ic ac·id

(kin-yūr-ē'nik as'id)
A product of the metabolism of l-tryptophan; appears in urine in pyridoxine deficiency.