The present study was designed to evaluate the efficacy of almond oil and diosmin extracted from lemon peels on the endothelial dysfunction in streptozotocin induced diabetic rats. The study was performed on 75 male white albino rats divided into 5 groups. Healthy rats served as control group, diabetic group, almond oil treated diabetic group, dimethylsulfoxide treated diabetic group, and diosmin treated diabetic group. Experimental diabetes was induced by single subcutaneous injection of 50mg/kg body weight streptozotocin. After two months blood samples were collected for assessment of serum...