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Brain Behav Immun. 2009 Aug;23(6):721-31. doi: 10.1016/j.bbi.2009.02.013. Epub 2009 Mar 1.

Bioactive components of tea: cancer, inflammation and behavior.

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  • 1Department of Food Science and Human Nutrition, University of Illinois-Urbana-Champaign, 1201 W. Gregory Drive, Urbana, IL 61801, USA. edemejia@illinois.edu

Abstract

Tea is one of the most widely consumed beverages worldwide. Several studies have suggested that catechins and theaflavins found in tea may reduce the risk of various types of cancers. Major advances have been made to understand the molecular events leading to cancer prevention; however, the evidence is not conclusive. Evidence from pre-clinical and clinical studies also suggests that persistent inflammation can progress to cancer. Several possible mechanisms of action may explain the cancer preventive aspects of tea components specifically anti-inflammatory effects. In regards to brain health, green tea catechins have been recognized as multifunctional compounds for neuroprotection with beneficial effects on vascular function and mental performance. Theanine, a unique amino acid in tea, enhances cognition in humans and has neuroprotective effects. Human interventional studies with well characterized tea products are needed.

PMID:
19258034
[PubMed - indexed for MEDLINE]
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