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Nov 24, 2020Keywords:
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Antihyperglycemic, antidyslipidemic and antioxidant properties of hydromethanol extract of Eremomastax speciosa leaf in alloxan monohydrate-induced hyperglycemic rats
Abstract
Purpose: To investigate the antihyperglycemic, anti-dyslipidemic and antioxidant properties of hydromethanol extract of Eremomastax speciosa leaf in alloxan monohydrate-induced hyperglycemic rats.
Methods: Hydromethanol extract of Eremomastax speciosa leaf was tested at dose range of 25 to 100 mg/kg against vehicle (distilled water) and glibenclamide (2 mg/kg, reference standard) in alloxaninduced hyperglycemic rats. Gas chromatography mass spectrometry (GC-MS) was employed in the identification of phytoconstituents. The fasting blood glucose (FBG), serum lipid profile, malondialdehyde, catalase and superoxide dismutase levels as well as the histopathology of the pancreas of the animals were evaluated.
Results: The extract (25 mg/kg) significantly reduced FBG, lipid profile and malondialdehyde levels relative to vehicle treated group but increased the superoxide dismutase and catalase levels and reversed alloxan-induced pancreatic islet cell degeneration. GC-MS analysis showed the presence of 4,5-dimethylthiazole (4.38%), benzenesulfonic acid, methyl ester (15.62%), benzenesulfonyl chloride (40.62%), benzopyran-4-one, 5,7-dihydroxy-2-phenyl- (21.25%), 2(5H)-furanone, 4-methoxy-5-phenyl-(12.50%), and p-chlorobenzenesulfonyl chloride (5.62%)
Conclusion: The hypoglycemic effect of the extract validates the folkloric uses of E. speciosa leaf in the ethnobotanical care of diabetes mellitus.
Keywords: antihyperglycemic, antioxidant, anti-dyslipidemic, Eremomastax speciosa
