Abstract

Objective: To demonstrate the effect of aqueous extract of Costus pictus (C. pictus) leaves on blood glucose, lipid profile and liver antioxidant enzymes and lipid peroxidation in alloxan induced diabetic rats. Methods: Aqueous extract of C. pictus (AECP) leaves was administered orally for 30 days and its effect on blood glucose, lipid profile, hepatic marker enzymes such as serum glutamate oxaloacetate transaminase (SGOT), serum glutamate pyruvate transaminase (SGPT), serum urea, creatinine, protein and albumin content and liver antioxidant enzymes such as catalase, peroxidase, superoxide dismutase and lipid peroxidation in alloxan induced diabetic rats were examined. Results: Oral administration of aqueous extract of C. pictus leaves to diabetic rats for 30 days significantly reduced the levels of blood glucose, lipid profile, lipid peroxidation, liver marker enzymes, urea, creatinine and increased the levels of antioxidant enzymes. Conclusions: The aqueous extract of C. pictus leaves controls the blood glucose level, improves lipid metabolism and prevents diabetic complications associated with lipid peroxidation and also maintains the antioxidant enzymes in experimental diabetic rats. Therefore, it can be recommeded for the prevention of diabetes mellitus

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