Abstract

Diabetes mellitus is a chronic metabolic syndrome characterized by hyperglycemia due to defective insulin secretion, insulin action or both. Nowadays massive developments in variety of synthetic modern medicines, alternative and traditional medicinal plants are still widely used for the management of diabetes mellitus. In this context when ethyl acetate fraction at the dose of 100 mg body weight/kg body weight was administered for 28 days, significant diminution in the STZ-induced hyperglycaemia was noticed. Plasma insulin and C-peptide levels as well as activities of antioxidant defense enzymes such as catalase (CAT), peroxidase (Px) and superoxide dismutase (SOD) in the hepatic tissue were found to be decreased in diabetic animals. This was corrected after the treatment of ethyl acetate fraction of hydro-methanolic extract of T. indica. Oral glucose tolerance test (OGTT) reveals that the fraction at the above said dose showed a remarkable decrease of blood glucose level in normal and diabetic rat and also increased glucose tolerance. On the other hand, in diabetic animals body weight decreases along with a decrease in total hemoglobin content in blood and increase in HbA1C level.

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