Green tea to protect against colon cancer

Wednesday, February 27th, 2013 | In Knowledge | Tags: , ,

Green tea to protect against colon cancer
~ Green tea to protect against colon cancer ~

Drinking green tea is generally recognized as healthful. A new trial aims to determine whether green tea can prevent colon cancer – the biggest such trial in the world to date, according to Thomas Seufferlein, director of the Department of Internal Medicine at Halle University Hospital in Germany.

The study will investigate the effect of green tea on the formation of colon polyps, sometimes seen as pre-cancerous. It is one of the possible methods for cancer prevention. This includes naturopathic therapies.

Along with bitter-tasting substances and caffeine, green tea contains the plant hormone epigallocatechin 3-gallate (EGCG). Also, various researches have shown that EGCG inhibits the formation of tumors of the prostate, breast and uterus.

For simplicity’s sake, the trial uses green tea in capsule form; the dosage is two capsules daily. That is the equivalent of about five to 10 cups of tea, depending on the method of preparation, according Julia Stingl, a clinical pharmacologist at Germany’s Ulm University.

The trial, comprising 3,000 participants, has just got under way. The participants have all had colon polyps removed and are seen as having a heightened risk of colon cancer. Researchers also want to learn whether green tea can help prevent a recurrence of the polyps.

One group of participants receives capsules containing green tea extract, the other takes placebo capsules. Neither the participants nor the researchers know which group is which. The trial participants are given a blood test every four months to check their liver and blood values.

After three years, each participant has a colonoscopy to see whether or how many new polyps have formed. Its effectiveness be scientifically proven the extract could be taken affordable in capsule form as a dietary supplement.

Source Credit: dpa.


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