xanthurenic acid /zan′tho͝orē′nik/ , a metabolite of tryptophan that occurs in normal urine and in elevated levels in patients with vitamin B6 deficiency.
xanthurenic acid
xanthurenic acid /zan′tho͝orē′nik/ , a metabolite of tryptophan that occurs in normal urine and in elevated levels in patients with vitamin B6 deficiency.