Abstract Title:

Comparative effects of curcumin and an analog of curcumin on alcohol and PUFA induced oxidative stress.

Abstract Source:

J Pharm Pharm Sci. 2004 Aug 20;7(2):274-83. Epub 2004 Aug 20. PMID: 15367386

Abstract Author(s):

Rajagopalan Rukkumani, Kode Aruna, Penumathsa Suresh Varma, Kallikat Narayanan Rajasekaran, Venugopal Padmanabhan Menon

Article Affiliation:

Department of Biochemistry, Faculty of Science, Annamalai University, Annamalainagar, Tamil Nadu, India.


PURPOSE: Alcoholic liver disease is a major medical complication of alcohol abuse and a common liver disease in western countries. Increasing evidence demonstrates that oxidative stress plays an important etiologic role in the development of alcoholic liver disease. Alcohol alone or in combination with high fat is known to cause oxidative injury. The present study therefore aims at evaluating the protective role of curcumin, an active principle of turmeric and a synthetic analog of curcumin (CA) on alcohol and thermally oxidised sunflower oil (DeltaPUFA) induced oxidative stress.

METHODS: Male albino Wistar rats were used for the experimental study. The liver marker enzymes: gamma-glutamyl transferase (GGT), alkaline phosphatase (ALP), the lipid peroxidative indices: thiobarbituric acid reactive substances (TBARS) and hydroperoxides (HP) and antioxidants such as vitamin C, vitamin E, reduced glutathione (GSH), superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx) were used as biomarkers for testing the antioxidant potential of the drugs.

RESULTS: The liver marker enzymes and lipid peroxidative indices were increased significantly in alcohol, DeltaPUFA and alcohol + DeltaPUFA groups. Administration of curcumin and CA abrograted this effect. The antioxidant status which was decreased in alcohol, DeltaPUFA and alcohol + DeltaPUFA groups was effectively modulated by both curcumin and CA treatment. However, the reduction in oxidative stress was more pronounced in CA treatment groups compared to curcumin.

CONCLUSION: In conclusion, these observations show that CA exerts its protective effect by decreasing the lipid peroxidation and improving antioxidant status, thus proving itself as an effective antioxidant.

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