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Year : 2015  |  Volume : 36  |  Issue : 1  |  Page : 91-95

Anti-diabetic activity of methanolic extract of Alpinia galanga Linn. aerial parts in streptozotocin induced diabetic rats

1 Department of Pharmaceutical Chemistry, Teerthanker Mahaveer College of Pharmacy, Teerthanker Mahaveer University, Moradabad, India
2 Department of Pharmaceutical Science, Bharat Institute of Technology, Meerut, Uttar Pradesh, India

Correspondence Address:
Garima Mishra
Department of Pharmaceutical Chemistry, Teerthanker Mahaveer College of Pharmacy, Teerthanker Mahaveer University, Moradabad - 244 001, Uttar Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0974-8520.169006

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Introduction: Alpinia galanga Linn. belongs to the family Zingiberaceae has been used as a traditional medicine in China for relieving stomach ache, treating cold, invigorating the circulatory systems, diabetes, and reducing swelling. Aim: To evaluate the antidiabetic activity of methanolic extract of A. galanga aerial parts on streptozotocin (STZ) induced diabetic rats. Materials and Methods: Diabetes was induced by single intraperitoneal injection of STZ at a dose of 60 mg/kg bodyweight. Test drug methanolic extract of A. galanga (200 and 400 mg/kg b.w.) and glibenclamide (10 mg/kg b.w.) as standard drug was administered orally for 21 consecutive days in STZ-induced diabetic rats. Fasting blood glucose level, serum lipid profiles, as well as initial and final changes in body weight were assessed along with histopathology. All the parameters were statistically analyzed by using one-way ANOVA followed by Bonferroni t-test. Results: Experimental findings showed significant dose dependent antidiabetic potential of methanolic extract in terms of reduction of fasting blood glucose level and various biochemical parameters in diabetic rats when compared with that of the diabetic control group, which might be due to the stimulatory effect of methanolic extracts on the regenerating β-cells and also on the surviving β-cells. Conclusion: Methanolic extract of aerial parts of A. galanga was effective in controlling blood glucose level and improve lipid profile in euglycemic as well as diabetic rats.

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