Antidiabetic Potential of Saponin and β-carotene in Alloxan Induced Diabetic Rats

Diabetes Mellitus is a chronic metabolic disorder characterized by hyperglycemia and accompanied by some abnormalities in pancreatic and hepatic tissue. Previous studies approved some chemicals damaging the pancreatic tissue and disturbing insulin release such as alloxan and streptozocin, besides creating diabetic signs like hyperglycemia, hyperlipidemia, inflammation, and oxidative stress. Moreover, its possible natural compounds used traditionally as antioxidant or anti-obesity have antidiabetic effects. Therefore, this study investigated the effects of oral administration of saponin and β-carotene on biochemical, immunological, and histological properties of pancreas related to alloxan-induced diabetic rats. Results confirmed hyperglycemia and hyperlipidemia imposed by alloxan accompanied by oxidative stress and inflammation and controlled by phytochemical treatment. Overall phytochemicals improved inflammation imposed by oxidative stress in alloxan-treated rats and decreased degeneration in pancreatic tissue leading to improved Langerhans islet and causing regular and normal release of insulin. Insulin triggers glucose and lipids absorbance and relives lipoprotein profile disruption seen in diabetic rats. By considering similarity between alloxan-induced diabetes in rats and diabetic patients, saponin and β-carotene or related chemically modified compounds could be used in lowering diabetes risk and treatment of patients suffering from diabetes or other metabolic disorders.