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Green tea may protect against colon cancer (Polyphenon E)
Reuters on Yahoo ^ | 12/7/07 | Megan Rauscher

Posted on 12/07/2007 4:35:01 PM PST by NormsRevenge

NEW YORK (Reuters Health) - An extract of green tea wards off colorectal cancer, animal experiments show.

According to research reported at the Sixth International Conference on Frontiers in Cancer Prevention, sponsored by the American Association for Cancer Research, 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, from the Ernest Mario School of Pharmacy at Rutgers University, Piscataway, New Jersey, noted in a statement.

These results are consistent with previously published results, which showed that green tea consumption was associated with lower colon cancer rates in Shanghai, China, he also noted.

In the study, Xiao and colleagues injected rats with azoxymethane, a chemical known to produce colorectal tumors that share many characteristics with colorectal cancer in humans. Then they fed the animals a high-fat Western-style diet with or without Polyphenon E for 34 weeks. 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, Xiao told the conference.

"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."

When the researchers analyzed blood and colon tissue samples, they found a "considerable amount of tea polyphenols in those samples in treated animals, and those levels of tea polyphenols were comparable to the human situation after ingestion of tea leaves or tea beverage," Xiao noted.

The researchers believe these findings will pave the way for clinical trials with green tea polyphenols in humans.


TOPICS: Culture/Society; Miscellaneous; Your Opinion/Questions
KEYWORDS: coloncancer; egcg; greentea; polyphenols; polyphenone; protect; supplements; vitamins

1 posted on 12/07/2007 4:35:02 PM PST by NormsRevenge
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To: NormsRevenge

Look like Green tea, for many different reasons, may be the Real Deal. One of the few “natural” supplements to have the scientific data to back it up.


2 posted on 12/07/2007 4:36:51 PM PST by Paradox (Politics: The art of convincing the populace that your delusions are superior to others.)
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To: NormsRevenge
limits the growth of colorectal tumors in rats

Ok, but what does it do for the gerbil?
3 posted on 12/07/2007 4:40:10 PM PST by TomGuy
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To: Paradox

I drink tea almost daily(I have a one pound bag of chineese tea I’m workin on that is awesome),but not in that quantity! tea,like coffee,I think,is a diuretic....anyways,when sick(I havent had a cold in 5yrs) I super soak myself with tea and honey,maybe some brandy too ;-)... the question I have never researched is what exactly is the difference in what is is used to make black,green or white(the new craze) ?


4 posted on 12/07/2007 4:46:39 PM PST by Minnesoootan
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To: Coleus

Brew probably want to see this.


5 posted on 12/07/2007 4:49:29 PM PST by SunkenCiv (Profile updated Friday, December 7, 2007_____________________https://secure.freerepublic.com/donate/)
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To: Paradox

Five to one, baby, one in five. No one here gets out alive.


6 posted on 12/07/2007 4:52:31 PM PST by CalvaryJohn (What is keeping that damned asteroid?)
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To: TomGuy
Ok, but what does it do for the gerbil?

Richard Gere owns the rights to that information.
7 posted on 12/07/2007 4:59:29 PM PST by kinoxi
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To: SunkenCiv

Brew is absolutely right. thanks for the ping.


8 posted on 12/07/2007 5:01:09 PM PST by Coleus (Happy Chanukah)
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To: NormsRevenge
Green tea may protect against colon cancer

But it will rot your teeth (or so I hear).

9 posted on 12/07/2007 5:07:39 PM PST by SteamShovel (Global Warming, the New Patriotism)
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To: NormsRevenge
limits the growth of colorectal tumors in rats treated with a substance that causes the cancer.

Did it ever occur to them that the tea may only be inhibiting the substance they used to induce the cancer in the first place?

10 posted on 12/07/2007 5:09:22 PM PST by montag813
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To: NormsRevenge

What about green tea ice cream? That tastes a lot better!


11 posted on 12/07/2007 5:09:55 PM PST by who_would_fardels_bear
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To: NormsRevenge
"Our findings show that rats fed a diet containing Polyphenon E are less than half as likely to develop colon cancer,"

For America, they need a third group of mice which take green tea and also eat a Philly cheesesteak, a six-pack of Bud, and a pack of Marlboros each day.

12 posted on 12/07/2007 5:12:14 PM PST by montag813
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To: Minnesoootan
White Green Black, it's all how it's cured. Although White is baby leaves sans chlorophyll.

There's a doc on discovery "How It's Made" that gives a very brief summary.

13 posted on 12/07/2007 5:15:41 PM PST by rawcatslyentist (Smithers hand me that icecream scoop. This isn't rocket science, it's brain surgery.)
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To: NormsRevenge
Green Tea can also be used as a mouthwash because it contains high amounts of natural fluoride that can remove plaque.
14 posted on 12/07/2007 5:20:53 PM PST by Man50D (Fair Tax, you earn it, you keep it! Duncan Hunter is a Cosponsor.)
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To: Man50D

Somebody before you said it rots the teeth? Who should I believe : )


15 posted on 12/07/2007 5:45:43 PM PST by Reagan79 (Ralph Stanley & The Clinch Mountain Boys)
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To: NormsRevenge

Nothin better than a good old-fashioned cup of English breakfast. Green tea tastes like it sounds.


16 posted on 12/07/2007 6:02:06 PM PST by 444Flyer (NEVER take a "mark" to "buy or sell"!Rev 13:16-17,John 3:1-36, Eph 6, Rev 12:11, Jer 29:13-14)
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To: SteamShovel

Teeth can be replace one way or another (false or implants); last I heard the colon couldn’t be replaced.


17 posted on 12/07/2007 6:07:39 PM PST by doc1019 (Fred Thompson '08)
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To: SteamShovel

Teeth can be replace one way or another (false or implants); last I heard the colon couldn’t be replaced. ;-)


18 posted on 12/07/2007 6:07:54 PM PST by doc1019 (Fred Thompson '08)
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To: montag813
An alternative diet to consider....

http://www.youtube.com/watch?v=6phteRZpLtU

19 posted on 12/07/2007 7:06:56 PM PST by wally_bert (Tactical Is Still Missing A Chair!)
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To: Reagan79
Somebody before you said it rots the teeth? Who should I believe : )

I can personally attest that it doesn't rot your teeth. I've been drinking and using it as mouthwash for a few years. I found this information in a book titled "Heinerman's Encyclopedia of Healing Herbs & Spices" by John Heinerman. To quote from page 444 paragraph titled

Tea Removes Dental Plaque

" A 1977 dental study conducted in Taiwan showed that 50 weaning rats given cavity producing foods like white bread, white sugar and carbonated soft drinks, but also given green or black teas, had anywhere from half to three-fourths fewer cavities than those rodents which didn't receive any tea."
20 posted on 12/07/2007 7:30:26 PM PST by Man50D (Fair Tax, you earn it, you keep it! Duncan Hunter is a Cosponsor.)
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To: wally_bert; montag813

that’s my kind of diet, I think i’ll start it today.


21 posted on 12/07/2007 9:49:52 PM PST by Coleus (Happy Chanukah)
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