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Sunday, November 8th, 2009

Vitamin C’s Cancer-blocking Mechanism, Proposed

September 20, 2007 by Gloria Gamat  
Filed under Diseases & Conditions

Vitamin C’s Cancer-blocking Mechanism, Proposed

Vitamin C is an antioxidant (it captures volatile oxygen free radicals) — is the prevailing theory why Vitamin C is an anti-cancer agent.
A new theory has come up: Vitamin C may block growth of tumors by destabilizing their ability to grow under oxygen-starved conditions – according to a new study from a team from The Johns Hopkins University.
The team was alerted to a new possible mechanism of antioxidant functioning when it examined cancer cells from those cancer-implanted mice that were not fed antioxidants. There was an absence of any significant DNA damage in these mice.
This led the authors to suspect …read more

New Cancer Inhibitor in the Limelight: Pterostilbene, Move Aside Resveratrol

January 5, 2007 by Gloria Gamat  
Filed under Diseases & Conditions

New Cancer Inhibitor in the Limelight: Pterostilbene, Move Aside Resveratrol

Pterostilbene (pronounced “tare-o-STILL-bean”) is a compound found in a genus of shrubs that includes many types of berries (including blueberries) and grapes that has been cited for its many health benefits:

pterostilbene can help lower cholesterol and prevent heart disease
pterostilbene is a powerful antioxidant that shows cancer-fighting properties similar to those of resveratrol

Such studies have been led by USDA/ARS Chemist Agnes Rimando.
Her recent study with colleagues at Poland’s University of Medical Science which tested pterostilbene (a derivative of resveratrol) and other resveratrols confirmed pterostilbene’s anti-cancer properties.
”…targeted an enzyme called cytochrome P450, which sets off a variety of compounds–known as “procarcinogens–that can …read more


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