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Potent Hypoglycemic Effect of Nigerian Anti-Diabetic Medicinal Plants
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Jiradej Manosroi
Published/Copyright:
February 10, 2011
The objective of this paper was to investigate the phytochemistry and hypoglycemic activities of aqueous extracts of Anisopus mannii, Daniella olivieri, Detarium macrocarpum, Leptedenia hastate and Mimosa invisa, traditionally prescribed for diabetes mellitus. The aqueous extracts were tested for phytochemicals and free radical scavenging activity by the DPPH assay. The anti-diabetic tests were performed in normoglycemic and alloxan induced diabetic mice. High intensity of saponins, xanthones, tannins and glycosides were detected in A. mannii, D. macrocarpum and M. invisa, respectively. For the free radical scavenging activity, D. macrocarpum showed the highest activity with an IC50 of 0.027 mg/ml which was 2.1 folds of ascorbic acid. All extracts showed potent hypoglycemic effects in alloxan induced diabetic mice with the highest fasting blood glucose reduction of 70.39 percent in A. mannii which was 1.54 and 0.98 fold of glibenclamide and human insulin, respectively. A. mannii showed the potent hypoglycemic activity which was 1.54 and 0.98 fold of glibenclamide and insulin, respectively. This study confirmed the traditional use of these Nigerian medicinal plants in diabetes treatment. These plants showed high potential for further investigation to novel anti-diabetic drugs.
Keywords: Anisopus mannii; free radical scavenging activity; insulin; glibenclamide; saponin; anti-diabetic
Published Online: 2011-2-10
©2011 Walter de Gruyter GmbH & Co. KG, Berlin/Boston
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Keywords for this article
Anisopus mannii;
free radical scavenging activity;
insulin;
glibenclamide;
saponin;
anti-diabetic
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