, Volume 28, Issue 7, pp 432-434

On the mechanism of the hypoglycaemic effect of a plant extract

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The efficacy of a hypoglycaemic plant extract, in common use by Kuwaiti diabetic individuals, was evaluated using both streptozotocin-induced diabetic and normal rats. A significant decrease in blood glucose concentration was demonstrated on glucose tolerance tests, as compared to untreated animals. The sum of the fasting, 1 and 2 h blood glucose values, decreased from 18.5±0.72 to 13.6±0.62mmol/l (p < 0.001) and from 58.6±2.83 to 44.5±3.12 mmol/l (p <0.005) in normal and diabetic animals treated for 1 week, respectively. Treatment with the extract was not found to significantly alter insulin levels or intestinal glucose absorption. The mode of action of the hypoglycaemic preparation remains to be elucidated.