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Abstract Title:

Antioxidant traits and protective impact of Moringa oleifera leaf extract against diclofenac sodium-induced liver toxicity in rats.

Abstract Source:

J Food Biochem. 2019 Feb ;43(2):e12704. Epub 2018 Oct 28. PMID: 31353658

Abstract Author(s):

Abdalla E El-Hadary, Mohamed Fawzy Ramadan

Article Affiliation:

Abdalla E El-Hadary

Abstract:

Moringa oleifera gained importance as a medicinal plant. The current study assesses Moringa leaf ethanol extracts (MLE) against experimentally diclofenac sodium (DcNa)-induced liver toxicity in male rats. Leaves were extracted with different solvents differing in polarity. Assessment involved total phenolic compounds, total flavonoids and radical scavenging activity against 1,1-diphenyl-2-picrylhydrazyl (DPPH·). HPLC was performed for identifying phenolic compounds, wherein ethyl vanillin (1,205 mg/kg), 3-OH-tyrosol (812.2 mg/kg), benzoic acid (273.8 mg/kg), salicylic acid (240.0 mg/kg), chlorogenic acid (233.3 mg/kg) and 3,4,5-methoxy-cinnamic acid (172.5 mg/kg) were measured. Fifty animals (each treatment group consisted of 10 rats) were subjected to five treatments and the experiment lasted for 4 weeks. Animals were exposed to DcNa (100 mg/kg) and two doses of MLE as well as silymarin (an antioxidant flavonoid CHO) for 4 weeks. Liver marker enzymes, including alkaline phosphatase, alanine transaminase, and aspartate transaminase as well as urea, uric acid, and creatinine were increased. Serum albumin and total protein decreased in DcNa-treated rats. Homogenates nitric oxide increased in liver tissue of the DcNa-treated rats, while the activity of each of glutathione peroxidase, glutathione-S-transferase, glutathione, and catalase decreased. It could be concluded that MLE in both doses and silymarin are considerably hepatoprotective with antioxidant activity (AOA) against DcNa-induced hepatotoxicity in rats.PRACTICAL APPLICATIONS: Administration of MLE caused improvements in kidney functions and acted as antioxidant enzymes as compared with silymarin (as a reference drug). AOA was exhibited by MLE in vivo, and this would have a positive effect against oxidative liver damage caused by DcNa. Plasma membrane was protected and the regenerative and reparative capacity of liver increased by phenolics in the MLE. The study demonstrated the MLE hepatoprotective activity and recommends using M. oleifera leaves for the treatment of liver disorders.

Study Type : Animal Study

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