A xanthine oxidase inhibitor and a uric acid-producing inhibitor, each containing an extract from at least one member selected from the group consisting of Zanthoxylum bungeanum, Sorghum nervosum, Cuminum cyminum, Rosa centifolia Pimenta officina / is, Origanum majorana, Psidium guajava, Pimpinella anisum, Olea europaea, Illicium serum, Canavalia gladiata, Hyssopus officina / is, Ribes nigrum, Vaccinium myrtillus, Artemisia princeps and Haematoxylon campechianum L.