Researchers at the University of South (USF) have found that green tea may offer another potential health benefit -- protecting the brain against the ravages of Alzheimers disease.
In an article published Sept. 21 in the Journal of Neuroscience, USF researchers report that a component of green tea prevented Alzheimers-like damage in the brains of mice genetically programmed to develop the neurodegenerative disease process. The component, called epigallocatechin-3-gallate (EGCG), is a major antioxidant in green tea and has been widely studied for its reported protection against certain cancers.
Now the USF team provides the first evidence that EGCG decreases production of the Alzheimers-related protein, beta-amyloid, which can accumulate abnormally in the brain and lead to nerve damage and memory loss. This reduction in beta-amyloid was observed both in cell cultures and a mouse model for Alzheimers disease. EGCG appears to block the initial process by which the Alzheimers-related protein is formed in brain cells.
Anne DeLotto Baier | EurekAlert!
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