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Harpephyllum caffrum stimulates glucose uptake,abates redox imbalance and modulates purinergic and glucogenic enzyme activities in oxidative hepatic injury

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Asian Pacific Journal of Tropical Biomedicine 2022年第1期12卷 9-19页

作者： Kolawole A.Olofinsan Ochuko L.Erukainure Beseni K.Brian Md.Shahidul Islam Department of Biochemistry School of Life SciencesUniversity of KwaZulu-Natal(Westville Campus)Durban 4000South Africa Department of Pharmacology University of the Free StateBloemfontein 9300South Africa

Objective:To investigate the antioxidative and antidiabetic effects of Harpephyllum caffrum bark infusion as well as its effects on glucogenic and nucleotide hydrolyzing enzyme activities in FeSO4-induced oxidative stress in rat hepatic ***:Harpephyllum caffrum infusion was prepared from dried plant materials(40 g)infused in boiling water(400 mL)for 20 min at room *** antioxidative and inhibitory activities against carbohydrate digestive enzymes of the infusion were determined using established *** liver tissues of rats were used for glucose uptake assay and to evaluate the infusion’s effect on endogenous antioxidant,glucogenic,and nucleotide hydrolyzing enzyme activities in FeSO4-induced hepatic ***:The Harpephyllum caffrum infusion significantly reduced ferric iron(FRAP)and free radicals(OH•and DPPH)in a dose-dependent *** inhibitedα-amylase andα-glucosidase activities and increased glucose uptake in hepatic ***4 significantly decreased glutathione concentration,catalase,and superoxide dismutase activities while increasing malondialdehyde level,glycogen phosphorylase,fructose-1,6-bisphosphatase,and adenosine triphosphatase ***,treatment with Harpephyllum caffrum infusion reversed FeSO4-induced *** of the infusion revealed the presence of catechol,O-pyrocatechuic acid,mequinol,maltol,and glycoside ***:The Harpephyllum caffrum infusion demonstrates antidiabetic and antioxidative potentials in in vitro models of type 2 diabetes as depicted by its ability to inhibit carbohydrate digestive enzymes,mitigate oxidative imbalance,and regulate glucogenic and nucleotide hydrolyzing enzyme activities in oxidative hepatic injury.

关键词： Harpephyllum caffrum Antioxidant Oxidative injury carbohydrate dysmetabolism

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