by: David Gutierrez

Black raspberries contain natural compounds that may significantly reduce the risk of colorectal cancer, according to a study conducted by researchers from Ohio State University and published in the journal Cancer Prevention.

Researchers genetically engineered mice to develop either intestinal tumors or a type of colon inflammation, colitis, known to increase the risk of colorectal cancer. They then fed all the mice a high-risk diet low in calcium and vitamin D and high in saturated fat for 12 weeks. Some of the mice were fed 10 percent of their daily calories from freeze-dried black raspberry powder.

Among the mice engineered to get colitis, black raspberry powder significantly reduced inflammation and cut both the number of new and total tumors by 50 percent. Among mice engineered to get intestinal tumors, black raspberry powder reduced the number of new tumors by 45 percent and the number of total tumors by 60 percent. The effect appeared to be produced, in part, by the suppression of a protein that binds to the artificially modified gene. Read more...

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