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Toxicology. 2010 Nov 28;278(1):68-74. doi: 10.1016/j.tox.2009.11.024. Epub 2009 Dec 4.

Black tea reduces uric acid and C-reactive protein levels in humans susceptible to cardiovascular diseases.

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  • 1Department of Biosciences, Faculty of Science, University of Mauritius, Réduit, Mauritius. tbahorun@uom.ac.mu

Abstract

The effect of black tea on the level of uric acid (UA) and C-reactive proteins (CRP) in humans susceptible to ischemic heart diseases was assessed in a prospective randomized controlled study. The study group consumed 9 g of black tea (equivalent to three cups of tea) daily for 12 weeks without additives followed by a 3-week wash-out (with control group consuming equivalent volume of hot water). Black tea consumption induced a highly significant decrease in the high uric acid baseline groups > 6 mg/dL by 8.5%; p < 0.05. For men and women in the base line group > 7 mg/dL, the decrease was 9.4% and 7.1%, respectively. In the low baseline serum uric acid levels there was a non-significant increase of 3.7% and 15% in men and women, respectively. C-reactive protein in the high risk group > 3mg/L was significantly decreased by 53.4% and 41.1% in men and women, respectively. For the non-supplemented group in this range the changes were 3.7% decrease for men and 2.9% increase for women. Tea supplementation-associated decrease in plasma uric acid and C-reactive protein levels may benefit humans at high risk of cardiovascular events and may augment drug therapy.

Copyright © 2009 Elsevier Ireland Ltd. All rights reserved.

PMID:
19963031
[PubMed - indexed for MEDLINE]
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