Objective:To observe the protective effect of riboflavin on ischemia-reperfusion injury followed by myocardial ischemia induced by isoproterenol(ISO) in rats.Methods: 30 fasted male rats were randomly divided into three groups: normal control group(NC),myocardial ischemia group(MI) and riboflavin group(RBF).Myocardial ischemia was induced by subcutaneous injection of ISO,and LDH and CAT in serum and platelet aggregation were measured.The model of myocardial ischemia-reperfusion set up by Langendroff device ...