In vitro anti oxidant activity and acute oral toxicity of Terminalia paniculata bark ethanolic extract on Sprague Dawley rats
2014
Mopuri, Ramgopal | Meriga, Balaji
To ensure the safety and evaluate the anti oxidant activity of Terminalia paniculata (T. paniculata) ethanolic extract in Sprague Dawley rats.The solvent extracts (hexane, ethyl acetate and ethanol) of T. paniculata were subjected to phytochemical analysis and their DPPH radical scavenging activity was assayed. The oral acute toxicity was evaluated using ethanolic extract of T. paniculata.Ethyl acetate and ethanolic extracts showed more phytochemicals, whereas highest DPPH scavenging activity was found in ethanolic extract. In an acute toxicity study, T. paniculata ethanolic extract was orally administered (1000 mg/kg body weight) to rats and observed for 72 h for any toxic symptoms and the dose was continued up to 14 d. On the 15th day rats were sacrificed and blood samples were collected from control and test animals and analyzed for some biochemical parameters. We did not observe any behavioral changes in test groups in comparison with their controls. Also, there were no significant alterations in biochemical, hematological (hemoglobin content and blood cells count) and liver function parameters such as serum glutamate pyruvate transaminase, serum glutamate oxaloacetate transaminase, alkaline phosphatase, total proteins, albumin and bilirubin levels between T. paniculata ethanolic extract treated and normal control groups.Together our results demonstrated that T. paniculata ethanolic possessed potent antioxidant activity and it was safer and non toxic to rats even at higher doses and therefore could be well considered for further investigation for its medicinal and therapeutic efficacy.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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