xanthurenic acid


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Related to xanthurenic acid: kynurenic acid, Quinolinic Acid

xanthurenic acid

[¦zan·thyə¦ren·ik ′as·əd]
(biochemistry)
C10H7NO4 Sulfur yellow crystals with a melting point of 286°C; soluble in aqueous alkali hydroxides and carbonates; excreted by pyridoxine-deficient animals after ingestion of tryptophan.
References in periodicals archive ?
The lens pigment 3-hydroxykynurenin is converted to phototoxic xanthurenic acid, and both uveal and retinal melanin is converted from an antioxidant to a pro-oxidant.
Urinary N'-methylnicotinamide is a biochemical test of niacin status and urinary xanthurenic acid excretion following a tryptophan load test is a marker of pyridoxine status (2).