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Hypoglycemic medicinal plants used in Setif region and their effects on experimentally-induced diabetes in rats

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dc.contributor.author BENCHEIKH DALILA
dc.date.accessioned 2021-09-22T09:20:07Z
dc.date.available 2021-09-22T09:20:07Z
dc.date.issued 2021
dc.identifier.uri http://dspace.univ-msila.dz:8080//xmlui/handle/123456789/26496
dc.description.abstract The objective of this study is to evaluate the antioxidant and antidiabetic activity of Olea europea, Trigonella foenum-graecum and Eucalyptus globulus extracts, which were popular through the survey, by Streptozotocin- induced diabetes in normal male adult rats via comparison of changes in body weight, biochemical and histopatholoangical parameter. Intravenous injection of 50 mg/kg of Streptozotocin in rats, makes pancreas swell and causes degeneration of beta cells in Langerhans islet and induces experimental diabetes in 2 days. In this study, the results showed that methanolic extract (ME) and chloroformic extract (ChE) of Eucalyptus globulus leaves contained high polyphenolics and flavonoids contents, respectively, whereas ethyl acetate extract (EAE) of Olea europea leaves and Trigonelle foenum-graecum seeds contain the most important quantity in polyphenols and flavonoids. The obtained results from HPLC technique allowed the detection of 36 phenolic compounds in MEO, 16 in MET and 40 in MEE. In addition, ME of E.globulus showed a strong ABTS radical scavenging activity, and inhibited the linoleic acid oxidation in ferric thiocyanate method and TBA. While, the EAE of O.europea and T.foenum-graecum exhibited a good activity in reducing power, ABTS and TBA assays. After Induction of diabetes, the volume of urine and glucose increased in the untreated animals in comparison with normal ones, but the body weight decreased in the untreated animals. The administration of MEO and MET at doses of 200 and 600 mg/kg and MEE at doses of 150 and 500mg/kg increased catalase activity, GSH level and decreased lipid peroxidation in the tissues of liver and kidneys, serum total cholesterol and triglycerides levels. Furthermore, histological damages in pancreas, kidney and liver tissues were reduced. These results indicated a good hypoglycemic and antioxidant activity of the three studied plants, could explain their use in folk medicine in the control of diabetes and preventing diabetic complications by scavenging free radicals en_US
dc.publisher Université de M'sila en_US
dc.subject Olea europea L, Trigonella foenum-graecum, Eucalyptus globulus, antidiabetic, antioxidant, polyphenols en_US
dc.title Hypoglycemic medicinal plants used in Setif region and their effects on experimentally-induced diabetes in rats en_US
dc.type Thesis en_US

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