Objective: To discuss the protective effect and possible mechanism of procyanidins on cerebral ischemia reperfusion injury in mice. Methods: One hundred and twenty healthy Kunming mice were randomly divided into 6 groups: the normal control group,sham operation group,14-day model group,28-day model group,14-day treatment group and 28-day treatment group. The model of cerebral ischemia reperfusion injury was constructed by griping bilateral carotid artery of mice for 15 minutes,and conducting reperfusion for...