Antidiabetic potentials of ethanolic extract of Aristolochia rigens (Vahl.) roots

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dc.contributor.authorSulyman, A.O., Akolade, J.O., Sabiu, S.A., Aladodo, R.A. & Muritala, H.F.
dc.date.accessioned2023-04-11T14:06:07Z
dc.date.available2023-04-11T14:06:07Z
dc.date.issued2016
dc.description.abstractEthnopharmacological importance: Oral administration of alcoholic decoctions of Aristolochia ringens is used extensively by Traditional Medicine Practitioners (TMP) of Yoruba heritage in South west, Nigeria for the management of diabetes and its associated complications. Aim of the study: To assess the potentials of root ethanolic extract of Aristolochia ringens V. (REAR) in the management of diabetes using chemical induced experimental animal model. Materials and methods: Qualitative and quantitative analyses were carried out to elucidate chemical constituents of the REAR extract using phytochemical analyses and gas chromatography-mass spectrometry (GC–MS) technique. Streptozotocin (STZ)-induced diabetic rats were orally administered with 75, 150 and 300 mg/kg body weight of the REAR, once a day and the blood glucose (GLU) levels were monitored for 14 days. Mechanisms of GLU lowering effect were investigated by performing oral glucose tolerance test (OGTT) and modulation of diabetes associated biomarkers including hepatic glycogen (GLY), GLU, alpha amylase (αAMY) and glucose-6-phosphate dehydrogenase (GPDH) by the extract. Results: Extraction from A. ringens roots using ethanol/water (70/30) yielded 10.25% w/w REAR extract. Preliminary phytochemical profiling of REAR extract revealed the presence of flavonoids (23.03%), phenols (19.15%), alkaloids (16.13%), tannins (4.21%), saponins (1.44%) and GC–MS analyses showed that bulk of the extract was constituted by aristolone (92.3%). Oral administration of 300 mg/kg b. wt. REAR extract caused significant reduction (490%) in hyperglycemia to normal GLU level (r 120 mg/dl) after 11 days of treatment. Lower doses of 75 and 150 mg/kg b. wt. caused similar effect after 13 days. The extract also normalized postprandial GLU to baseline level within 90120 min. Also, GLY concentrations and GPDH activity were significantly increased, whereas GLU levels and αAMY activity were reduced in the liver of diabetic rats treated with REAR extract compared to values in non-treated diabetic group. Conclusion: These findings revealed that ethanolic extract from A. ringens root possess antihyperglycemic activity and the data established its usage in folkloric decoctions for management of diabetes.en_US
dc.identifier.urihttps://uilspace.unilorin.edu.ng/handle/20.500.12484/9072
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofseriesJournal of Ethnopharmacology;182:122-128
dc.subjectAristolochia Aristolone Characterization Diabetes Mellitus Medicinal plantsen_US
dc.titleAntidiabetic potentials of ethanolic extract of Aristolochia rigens (Vahl.) rootsen_US
dc.typeArticleen_US

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