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Effect of Ethanolic Leaves Extract of Moringa oleifera on Blood Glucose Levels of Streptozocin-Induced Diabetics and Normoglycemic Wistar Rats

並列摘要


This study was undertaken to determine the hypoglycemic effect of Moringa oleifera [family: Moringaceae] ethanolic extract in normal (normoglycemic) and STZ induced diabetic Wistar rats. In one set of experiment, graded doses of the leaves extract (250 and 500 mg/kg i.p.) were separately administered to groups of fasted normal and fasted STZ diabetic rats. The hypoglycemic effect of the ethanolic leaves extract was compared with that of insulin 6 i.u/kg in fasted normal and STZ diabetic rats. Following treatment, relatively moderate to high doses of Moringa oleifera (250 and 500 mg/kg i.p.) produced a dose-dependent, significant reduction (p<0.05) in blood glucose levels of fasted STZ diabetic rats only. A significant decrease in the blood glucose levels after 1-7 h of administration with the doses of 250 and 500 mg/kg was observed in the STZ diabetic group when compared to control. As regards to the dose of 250 and 500 mg/kg for the fasted normal rats, there was significant increase in the blood glucose levels when compared to control. In conclusion the ethanolic extract of the leaves of Moringa oleifera possesses hypoglycemic activity in STZ induced diabetic Wistar rats only.

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