XDH and hyperuricemia: As per the search strategy shown in Supplementary Table S7, the keywords we added to the query box included scutellarein, benzyl alpha-D-mannopyranoside, diisobutyl phthalate, Elemol, Diisobutyl phthalate, (3R)-hydroxy-beta-ionone, hyperuricemia, uric acid, xanthine oxidase, and xanthine dehydrogenase.