Hepatoprotection: A Hallmark of Citrullus colocynthis L. against Paracetamol Induced Hepatotoxicity in Swiss Albino Rats

DOI: 10.4236/ajps.2012.327121   PDF   HTML   XML   4,604 Downloads   7,677 Views   Citations

Abstract

Objective: To demonstrate the in-vivo hepatoprotective effect of the ethanolic extracts of Citrullus colocynthis (Linn.) against paracetamol induced hepatotoxicity in albino rats. Animal Model: Swiss Albino rats of either sex were used, divided into six groups with six in each group. Group 1-Normal control: The animals were maintained under normal control, which were given distilled water only. Group 2-Induction of hepatotoxicity: The animals received paracetamol 500 mg/kg b.w. (p.o) every 72 h for 10 Days. Groups 3 to 5: Animals received ethanolic extract of Citrullus colocynthis L. at 50, 100 & 200 mg/kg bw/day for 7 days (p.o). Group 6: The animals were treated with Silymarin (100 mg/kg p.o) which served as standard. Groups 3 to 6 were intoxicated with paracetamol (500 mg/kg bw) 1 h before the administration of extract or Silymarin for 10 days. Histopathological findings, different hepatic biochemical parameters viz. AST, ALT, ALP, Total bilirubin, Total cholesterol, Triglycerides, & the body weight before & after treatment were evaluated to investigate the hepatoprotective activity. Results: Paracetamol induced a significant rise in AST, ALT, ALP, Total Bilirubin, Total Cholesterol, Triglycerides. Administration of 200 mg/kg bw of ethanolic extract of Citrullus colocynthis L. effectively reduced these pathological damages caused by paracetamol intoxication. In addition to serum parameters treatment of 200 mg/kg bw of ethanolic extract of Citrulus colocynthis L. also promotes the body weight in albino rats as shown in Figure 6 respectively. Histopathological changes of the liver samples were compared with the normal control as shown in Figures 2-5 respectively. Conclusion: From our results we may infer that the mode of action of 90% ethanolic extract of Citrullus colocynthis L. (200 mg/kg bw) in affording the in-vivo hepatoprotective activity against paracetamol may be due to the cell membrane stabilization, hepatic cell regeneration & normalizing the serum parameters.

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A. Dar, R. Saxena and S. Bansal, "Hepatoprotection: A Hallmark of Citrullus colocynthis L. against Paracetamol Induced Hepatotoxicity in Swiss Albino Rats," American Journal of Plant Sciences, Vol. 3 No. 7A, 2012, pp. 1022-1027. doi: 10.4236/ajps.2012.327121.

Conflicts of Interest

The authors declare no conflicts of interest.

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