The aim of this study was to explore the uric acid-lowering effect and renal protective effect of leaf extract (EULE). The results of xanthine oxidase inhibition assay showed EULE exhibited a high inhibition rate similar to that of allopurinol, with an IC value of 1.53 mg/mL. A chronic kidney disease (CKD) model was established in adenine-induced rats to investigate the therapeutic effect of EULE on CKD. The results demonstrated EULE could reduce blood pressure and improve renal index. Additionally, EULE could regulate serum and urine indicators of renal function injury, and restore renal tissue morphology. Mechanistically, EULE was found to downregulate levels of malondialdehyde (MDA), tumour necrosis factor-α (TNF-α), and interleukin-1β (IL-1β), while upregulating total antioxidant capacity (T-AOC), thereby alleviating inflammatory response in rats, leading to a reduction in renal damage. the Our findings provide potential applications of EULE as a natural product for the improvement of renal injury.
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