Green tea may protect against colon cancer - Yahoo! News
2007.12.07
"...a standardized green tea polyphenol preparation (Polyphenon E) limits the growth of colorectal tumors in rats treated with a substance that causes the cancer..."Our findings show that rats fed a diet containing Polyphenon E are less than half as likely to develop colon cancer," Dr. Hang Xiao...The amount of Polyphenon the animals took in was roughly equal to about four to six cups of green tea per day...Polyphenon E decreased the total number of tumors per rat and decreased tumor size, compared with control rats that were not given Polyphenon E..."In the control group," he said, "67 percent of rats developed malignant tumors while in the treated group only 27 percent of rats had malignant tumors. Most important, tea polyphenols decreased the number of malignant tumors per rat by 80 percent compared to the control group."..."
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