ANTIDIABETIC EFFECT OF EXTRACTS OF BLUMEA LACERA DC. IN STREPTOZOTOCIN INDUCED HYPERGLYCEMIC RATS
Objective: Present study of this research was undertaken to evaluate the antidiabetic activities of extracts of aerial parts of Blumea lacera DC. (Asteraceae) in streptozotocin (STZ) induced hyperglycemic rat.
Methods: The methanol extracts (MEBL) and aqueous extract (AEBL) of B. lacera DC. were investigated in streptozotocin (STZ) induced hyperglycemic rats at a dose level of 200 and 400 mg/kg body weight, in oral glucose tolerance test (OGTT), acute and subacute antidiabetic (30 d) models keeping a parallel group of metformin (250 mg/kg body weight) as standard drug. The serum biochemical parameters, histopathology of liver and pancreaswere examined and analyzed statistically.
Results: Treatment with methanol extract of B. lacera (MEBL) at a dose of 200 mg/kg and 400 mg/kg body weight, significantly decrease (p<0.05) blood glucose level from 289.83Â±9.83 and 289.83Â±2.71 to 201.83Â±8.87 and 105.00Â±2.05 respectively with corresponding percentage fall of blood glucose to 30.40Â±1.79 and 63.78Â±0.59. It also improved the glycated haemoglobin (HbA1c) near to normal value, restored the lipid and bio-chemical level and rejuvenate beta cells of pancreas, thereby improve insulin secretion.
Conclusion: The result of the present study concluded that extracts of B. lacera DC possess marked antidiabetic activity. However, methanol extract of B. lacera (MEBL) at the dose of 400 mg/kg showed significant dose dependent antidiabetic effects without any destruction and restores the structure of liver and pancreas of hyperglycemic rats.
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