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Basic Clin Pharmacol Toxicol. 2007 Oct;101(4):241-5.

Influence of tetrahydrocurcumin on hepatic and renal functional markers and protein levels in experimental type 2 diabetic rats.

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1
Department of Biochemistry, Faculty of Science, Annamalai University, Annamalai Nagar-608 002, Tamilnadu, India.

Abstract

Curcumin is the most active component of turmeric. It is believed that curcumin is a potent antioxidant and anti-inflammatory agent. Tetrahydrocurcumin is one of the major metabolites of curcumin that exhibits many of the same physiologic and pharmacological activities as curcumin and in some systems may exert greater antioxidant activity than curcumin. Oral administration of tetrahydrocurcumin at 80 mg/kg body weight to diabetic rats for 45 days resulted in a significant reduction in blood glucose and significant increase in plasma insulin levels. In addition, the diabetic rats had decreased levels of plasma total protein, albumin, globulin and albumin/globulin ratio as compared to control rats. After treatment with tetrahydrocurcumin and curcumin total protein, albumin, globulin and albumin/globulin ratio were brought back to near normal. The activities of hepatic and renal markers were significantly elevated in diabetic rats as compared to control rats, and treatment with tetrahydrocurcumin and curcumin has reversed these parameters to near normal levels. In diabetic rats, the decreased levels of urea, uric acid and creatinine with increased levels of albumin and urine volume was observed, and treatment with tetrahydrocurcumin and curcumin reversed these parameters to near normal. Tetrahydrocurcumin appeared to have a better protective effect when compared to curcumin.

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