Effect of anthocyanin-rich extract from black rice (Oryza sativa L. Japonica) on chronically alcohol-induced liver damage in rats

J Agric Food Chem. 2010 Mar 10;58(5):3191-6. doi: 10.1021/jf904407x.

Abstract

The study evaluated the protective effect of anthocyanin-rich extract from black rice (AEBR) on chronic ethanol-induced biochemical changes in male Wistar rats. Administration of ethanol (3.7 g/kg/day) to Wistar rats for 45 days induced liver damage with a significant increase (P < 0.05) of aspartate transaminase (AST), alanine transaminase (ALT), gamma glutamyl transferase (GGT) in the serum and the hepatic malondialdehyde (MDA) level. In contrast, administration of AEBR (500 mg/kg) along with alcohol significantly (P < 0.01) decreased the activities of liver enzymes (AST, ALT and GGT) in serum, the MDA levels and the concentrations of serum and hepatic triglyceride (TG) and total cholesterol (TCH). Rats treated with AEBR showed a better profile of the antioxidant system with normal glutathione peroxidase (GSH-Px), superoxide dismutase (SOD) and glutathione S-transferase (GST) activities. All these results were accompanied by histological observations in liver. The results demonstrate that AEBR has a beneficial effect in reducing the adverse effect of alcohol.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • Anthocyanins / pharmacology*
  • Ethanol / toxicity*
  • Liver / drug effects*
  • Liver / enzymology
  • Liver / physiopathology
  • Liver Function Tests
  • Male
  • Oryza / chemistry*
  • Plant Extracts / pharmacology*
  • Rats
  • Rats, Wistar

Substances

  • Anthocyanins
  • Plant Extracts
  • Ethanol