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Main Article Content
Hypoglycaemic and coronary risk index lowering effects of Bauhinia thoningii in alloxan induced diabetic rats
Abstract
Background: Disease, one of humanity’s greatest adversaries, has in recent times showed an intimidating increase in numerical and pathological strength. This stretched the available medications to the limit thereby necessitating the need for the discovery of new and alternative medications to combat the menace of disease. Diabetic mellitus is one disease condition for which ideal synthetic drugs are yet to be discovered. To this end, pharmaceuticals are looking in the direction of medicinal
plants.
Objective: This work aimed at screening Bauhinia thoningii (leaves) for its hypoglycaemic effect. The effect of the extract on lipid profile as a Coronary Risk Index (CRI) was also evaluated.
Methods: Aqueous crude extract of the plant was administered orally to alloxan induced diabetic rats and fasting blood glucose monitored over a period of 7 days. Blood samples collected from the rats were assayed for full lipid profile and the CRI calculated.
Results: Bauhinia thoningii caused 81.37% reduction in blood glucose of the experimental animals over a period of 7 days from an initial 365 mg/dl to 68 mg/dl. The plant extract was also observed to have the capacity to ameliorate diabetic complications like cardiovascular disorders. The extract reduced the Low Density lipoprotein (LDL) and reduced the CRI.
Conclusions: Results from this study confirmed the hypoglycaemic efficacy of the extract and ability to ameliorate coronary diabetic complications. Further study is required to purify the plant extract to identify the fraction(s) that are responsible for the hypoglycaemic effects observed. This will also help to isolate the active components and elucidate the likely mechanism of action of the plant extract.
