Blueberry pigment linked to lower rate of colon cancer

Researchers at Rutgers University and the Department of Agriculture have released a new study demonstrating the cancer-fighting qualities of pterostilbene, an antioxidant found in blueberries. The ingredient is found in the pigment that gives blueberries their color, and the darker the berry the higher the concentration of pterostilbene. To test its ability to prevent colon cancer, the researchers fed pterostilbene to rats which had been given a cancer-causing compound. Another group of rats was limited to a balanced daily diet. The rats given pterostilbene demonstrated 57 percent fewer precancerous lesions in their colon. Researchers now say that the active ingredient could be produced in highly concentrated drug dosages. Colon cancer is particularly prominent in Western countries, where it is linked to a high-fat diet.

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