[DOWNLOAD] "Studies on the Protective Effects of Caffeic Acid and Quercetin on Chemical-Induced Hepatotoxicity in Rodents (Research Findings)" by Phytomedicine: International Journal of Phytotherapy & Phytopharmacology * Book PDF Kindle ePub Free
eBook details
- Title: Studies on the Protective Effects of Caffeic Acid and Quercetin on Chemical-Induced Hepatotoxicity in Rodents (Research Findings)
- Author : Phytomedicine: International Journal of Phytotherapy & Phytopharmacology
- Release Date : January 01, 2004
- Genre: Life Sciences,Books,Science & Nature,
- Pages : * pages
- Size : 223 KB
Description
Abstract Caffeic acid and quercetin, the well-known phenolic compounds widely present in the plant kingdom, were investigated for their possible protective effects against paracetamol and CCl[.sub.4]-induced hepatic damage. Paracetamol at the oral dose of 1 g/kg produced 100% mortality in mice while pretreatment of separate groups of animals with caffeic acid (6 mg/kg) and quercetin (10 mg/kg) reduced the death rate to 20% and 30%, respectively. Oral administration of sub-lethal dose of paracetamol (640 mg/kg) produced liver damage in rats as manifested by the significant (P 0.01) rise in serum levels of aminotransferases (aspartate transaminase (AST) and alanine transaminase (ALT)) compared to respective control values. The serum enzyme values were significantly (P 0.01) lowered on pretreatment of rats with either caffeic acid (6 mg/kg) or quercetin (10 mg/kg). Similarly, the hepatotoxic dose of CCl[.sub.4] (1.5 ml/kg; orally) also raised significantly (P 0.05) the serum AST and ALT levels as compared to control values. The same dose of the caffeic acid and quercetin was able to prevent CCl[.sub.4]-induced rise in serum enzymes. Caffeic acid and quercetin also prevented the CCl[.sub.4]-induced prolongation in pentobarbital sleeping time confirming their hepatoprotectivity. These results indicate that caffeic acid and quercetin exhibited hepatoprotective activity possibly through multiple mechanisms.
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