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New study adds to the evidence that EGCG from Green Tea reduces the risk of colon cancer

Dec 17, 2007

In this study rats were given a chemical that causes colon cancer known as azoxymethane. The chemically induced colon cancer resembles the disease in humans. The animals were then fed a high fat diet resembling that of many of us in the USA; a diet that fuels the growth of many cancers. One group of the rats received a Green Tea supplement high in EGCG along with the diet for 34 weeks; this is an achievable level of EGCG intake easy for us to duplicate if we consumed 4 to 6 cups a day.

In the control group 67% of the rats developed colon cancer but in the EGCG group only 27% developed colon cancer; EGCG/Green Tea reduced the number of tumors by 55% and the tumors were 45% smaller if they did occur. Also and most importantly, of the rats that did develop colon cancer that were on EGCG, there were 80% fewer malignant tumors. The scientists from Rutgers University show that Green Tea supplying EGCG, equivalent to about 6 cups of tea per day, decreased the incidence of colon cancer in rats by over 50%. The study was presented December 6th at the American Association for Cancer Research's Sixth Annual International Conference on Frontiers in Cancer Prevention Research.

Green Tea protects bone density in postmenopausal women

Australian researchers examined tea drinking in 1027 women between the ages of 70 to 85 over a 5 year period. It was found that tea drinkers had a 2.8% greater bone mineral density of the hip vs. nondrinkers. In a further analysis it was found that nondrinkers lost 4% of their bone mineral density of their hip over the period where tea drinkers only lost 1.6% of their hips bone mineral density. The study is published in the October 2007 issue of the American Journal of Clinical Nutrition.