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pubmed:abstractText |
Although allopurinol is a xanthine oxidase inhibitor, its overall effect may be due to the action of oxypurinol, a metabolite of allopurinol and another xanthine oxidase inhibitor, since the biological half-life of oxypurinol is longer than that of allopurinol. Oxypurinol shares a renal transport pathway with uric acid and ingestion of bovine milk increases the urinary excretion of uric acid. Therefore, we investigated whether its ingestion promotes the urinary excretion of oxypurinol.
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