Health Benefits of Cocoa Consumption
Chocolate and cocoa contain a high level of flavonoids, specifically epicatechin, which may have beneficial cardiovascular effects on health.
Prolonged intake of flavanol-rich cocoa has been linked to cardiovascular health benefits, though it should be noted that this refers to raw cocoa and to a lesser extent, dark chocolate, since flavonoids degrade during cooking and alkalizing processes. Studies have found short term benefits in LDL cholesterol levels from dark chocolate consumption. The addition of whole milk to milk chocolate reduces the overall cocoa content per ounce while increasing saturated fat levels, possibly negating some of cocoa's heart-healthy potential benefits. Although one study has concluded that milk impairs the absorption of polyphenolic flavonoids, e.g. (-)epicatechin, a followup failed to find the effect.
Hollenberg and colleagues of Harvard Medical School studied the effects of cocoa and flavanols on Panama's Kuna people, who are heavy consumers of cocoa. The researchers found that the Kuna Indians living on the islands had significantly lower rates of heart disease and cancer compared to those on the mainland who do not drink cocoa as on the islands. It is believed that the improved blood flow after consumption of flavanol-rich cocoa may help to achieve health benefits in hearts and other organs. In particular, the benefits may extend to the brain and have important implications for learning and memory.
Foods rich in cocoa appear to reduce blood pressure but drinking green and black tea may not, according to an analysis of previously published research in the April 9, 2007 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.
In June 2009, Mars Botanicals, a division of Mars Inc., the candymaker and food company, launched Cirku, a cocoa extract high in flavanols.
A 15-year study of elderly men published in the Archives of Internal Medicine in 2006 found a 50 percent reduction in cardiovascular mortality and a 47 percent reduction in all-cause mortality for the men regularly consuming the most cocoa, compared to those consuming the least cocoa from all sources.
Read more about this topic: Cocoa Bean
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