Researchers from the Lombardi Comprehensive Cancer Center at Georgetown University have shown how an ingredient found in chocolate seems to exert its anti-cancer properties - findings that might be used one day to design novel cancer treatments. The study, published in the April issue of the journal Molecular Cancer Therapeutics, explains how pentameric procyanidin (pentamer), a natural compound found in cocoa, deactivates a number of proteins that likely work in concert to push a cancer cell to continually divide.
Chocolate is made from the beans of cacao trees, and, like some other plants, are rich in natural antioxidants known as flavonoids. These antioxidants may protect cells from the damage caused by unstable molecules known as free radicals, which are thought to contribute to both heart disease and cancer development. The primary family of flavonoids contributing to the antioxidant benefit in chocolate is the procyanidins, and of the various types of procyanidins, pentamer seem to be strongest, according to a number of studies.
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