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Green Tea, Fruit Extracts Touted as Potential Cancer Fighters
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Page: << Prev | 1 | 2 Patients whose tumors had progressed the least seemed to do the best after undergoing the gel treatment, Mallery said. None of the patients reported side effects.
Why does the gel appear to work? According to Mallery, the active agents appear to be "those chemicals that give it a very rich purple color." The study authors suspect that the chemicals may help "re-educate" tumor cells, reversing their march toward cancer.
In another study, Australian researchers -- funded by Dr. Red Nutraceuticals, the maker of an antioxidant-boosted beverage called "Blueberry Punch" -- gave the drink to mice with tumors that were considered equivalent to prostate cancer in humans.
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The tumors were 25 percent smaller in eight mice that drank the punch for two weeks, compared to eight mice that did not drink the punch. Jardine said the next step is to figure out if the punch would have a beneficial effect in men. The punch, designed to be a health aid, is sold in Australia and in New Zealand, and is made of fruit concentrates and a variety of extracts, as well as tarragon, turmeric and ginger, he said.
In the third study, researchers from Rutgers University in New Jersey fed chemicals known as polyphenols from green tea to rats that had colorectal cancer. The polyphenols appeared to reduce the size of tumors by 45 percent, the study authors said.
It's not clear if the polyphenols would have a similar benefit in humans, and the equivalent amount of tea consumption in people would be hefty -- four to six cups a day, the researchers said.
More information
To learn more about colorectal cancer, visit the U.S. National Institutes of Heath.
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Copyright © 2007 ScoutNews, LLC. All rights reserved.
Last updated 12/7/2007
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SOURCES: Dec. 6, 2007, American Association for Cancer Research teleconference with Greg Jardine, biochemist, Dr. Red Nutraceuticals, Mount Nebo, Australia; Susan Mallery, D.D.S., Ph.D., professor, Department of Oral Maxillofacial Surgery and Pathology, Ohio State University College of Dentistry, Columbus; American Association for Cancer Research, presentations, Sixth Annual International Conference on Frontiers in Cancer Prevention Research, Philadelphia
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