Antidiabetic effect of Gymnema montanum leaves: effect on lipid peroxidation induced oxidative stress in experimental diabetes

Gymnema montanum is widely used in ancient medicine for the ailment of various diseases. Oral administration of 200 mg kg −1 (body weight) BW of the alcoholic extract of the leaf for 3 weeks resulted in a significant reduction in blood glucose and an increase in plasma insulin, whereas the effect of...

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Published inPharmacological research Vol. 48; no. 6; pp. 551 - 556
Main Authors Ananthan, R., Baskar, C., NarmathaBai, V., Pari, L., Latha, M., Ramkumar, K.M.
Format Journal Article
LanguageEnglish
Published Netherlands Elsevier Ltd 01.12.2003
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Summary:Gymnema montanum is widely used in ancient medicine for the ailment of various diseases. Oral administration of 200 mg kg −1 (body weight) BW of the alcoholic extract of the leaf for 3 weeks resulted in a significant reduction in blood glucose and an increase in plasma insulin, whereas the effect of 50 and 100 mg kg −1 BW was not significant. The alcoholic extract also resulted in decreased free radical formation in plasma of diabetic rats. Thus, this study shows that Gymnema montanum leaf extract (GLEt) possess antihyperglycemic and antiperoxidative effect. The decrease in lipid peroxides and increase in reduced glutathione (GSH), ascorbic acid (Vitamin C) and α-tocopherol (Vitamin E) clearly show the antioxidant properties of GLEt. The effect of GLEt was most prominently seen in the case of animals given 200 mg kg −1 BW. In addition, the results suggest that GLEt was highly effective than the reference drug glibenclamide.
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ISSN:1043-6618
1096-1186
DOI:10.1016/S1043-6618(03)00219-6