Want to improve your cognitive function? Have a cup of green tea

Drinking green tea could help to improve memory and learning among those who consume a high fat and fructose diet, thanks to the antioxidant and anti-inflammatory compound Epigallocatechin-3-gallate (EGCG).

That’s according to new research from the Tea Advisory Panel (TAP).

Tea scientist Dr Tim Bond said: “This laboratory study reviewed three different diets: a high fat diet, a high fructose diet, a high fat and high fructose diet, each with EGCG and a control diet. The subjects consuming EGCG sustained less memory loss than the other two groups and reduced the nerve cell damage caused by the high fat, high fructose diet. Of note, EGCG significantly ameliorated insulin resistance, which is associated with cognitive decline in older people, by increasing the activity of the insulin receptor and its associated biochemical pathways.


“This study provides data findings on a potential mechanism for the observations made that green tea consumption can improve cognitive function in old age. A clinical study in elderly nursing home residents with cognitive dysfunction found that green tea powder, 2g daily for 3 months, improved cognitive scores on an established rating scale.

“An observational study in 1003 Japanese people found that drinking one cup of green tea each day was associated with a 38% reduction in risk for cognitive impairment, whilst drinking two or more cups of tea each day is linked with a 54% reduction in risk.

“In addition, several laboratory studies have shown that EGCG has a potential protective effect in Alzheimer’s disease through reducing inflammation in the nerve cells.Neuroprotective effects of EGCG have also been demonstrated in laboratory studies.

“This latest study points to the potential for tea to reduce cognitive decline and that EGCG, a major anti-inflammatory compound in tea, may provide protection through reducing inflammation in brain nerve cells.

“Tea is the second most commonly consumed beverage in the world after water. As a result, these latest study findings together with many other published studies continue to suggest that Britain’s favourite beverage is good for our health including our bones, heart, vascular system and skin to name just a few health and wellbeing benefits, whatever your age.”


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Lynda Hamilton Parker is a Scottish PR expert and independent publisher

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