ScienceDaily  — Can a grape-enriched diet prevent the downhill sequence of heart failure after years of high blood pressure?

A University of Michigan Cardiovascular Center study suggests grapes may prevent heart health risks beyond the simple blood pressure-lowering impact that can come from a diet rich in fruits and vegetables. The benefits may be the result of the phytochemicals – naturally occurring antioxidants – turning on a protective process in the genes that reduces damage to the heart muscle.

The study, performed in laboratory rats, was presented at the 2009 Experimental Biology convention in New Orleans.

The researchers studied the effect of regular table grapes (a blend of green, red, and black grapes) that were mixed into the rat diet in a powdered form, as part of either a high- or low-salt diet. Comparisons were made between rats consuming the grape powder and rats that received a mild dose of a common blood pressure drug. All the rats were from a research breed that develops high blood pressure when fed a salty diet.

Sumber : Science Daily

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http://www.sciencedaily.com/releases/2009/04/090422175340.htm