Objective: To investigate the effects of curcumin on myocardial damage and its antioxidant capacity in myocardial tissue of diabetic rats. Methods: A rat model of diabetic heart disease was established. 3 Thirty adult male SD rats were randomly and equally divided into the blank group, the diabetic group, and the curcumin group. Starting with successful modeling, 200 mg/kg of curcumin suspension was given to the rats per day by intragastric administration. The rats in the blank group and the diabetic group were given normal saline daily and all treatments lasted 4 weeks. The systolic blood pre...