Validation of the antihyperglycaemic and hepatoprotective activity of the flavonoid rich fraction of Brachychiton rupestris using in vivo experimental models and molecular modelling

Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association
Amany A ThabetAbdel Nasser Singab

Abstract

Oxidative stress leads to many disorders as diabetes mellitus and liver diseases. This study evaluates the antihyperglycemic and hepatoprotective activities of Brachychiton rupestris (Malvaceae). The antihyperglycemic activity of the total methanol extract of B. rupestris leaves (BRT) and its ethyl acetate fraction (BRE) was evaluated using streptozotocin induced diabetic rats. The hepatoprotective activity was assessed using carbon-tetrachloride induced hepatotoxicity. Oral administration of 50 mg/kg b.wt (body weight) of BRT and BRE to Streptozotocin -diabetic rats caused a notable decrease in serum glucose by 39.38 and 42.09% with 35.62 and 15.44% increase in serum insulin, respectively, compared with Streptozotocin-diabetic rats. Oral administration of BRT and BRE to carbon-tetrachloride -treated rats (50 mg/kg b.wt) resulted in reduction in serum aspartate transaminase (AST) (28.88 and 27.2%, respectively) and alanine transaminase (ALT) (8 and 13.56%) levels, respectively. They also ameliorated oxidative stress in both models as evidenced from oxidative stress markers. Liquid chromatography coupled with electrospray ionization mass spectrometry (LC-ESI-MS) analysis of the most active fraction (BRE) identified nine compound...Continue Reading

Citations

Nov 26, 2019·Food Science & Nutrition·Guo-Kai WangJai-Sing Yang

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