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Grape juice might be protective against heart disease, similar to the effect of red wine. Researchers from Strasbourg examined the effect of grape juice on the heart. They found that grape juice could have a similar effect (against heart disease), a radio reported.
Grape juice have high levels of polyphenols, which block the production of a protein linked to cardiovascular disease the number one killer in many Western countries.
The researchers found that polyphenols in grape juice activate endothelial cells to produce nitric oxide, which helps to protect against cardiovascular disease and to maintain healthy blood vessels and blood pressure. Polyphenols work the same way in red wine and in grape juice. But not every grape juice has the beneficial effect. It has to have a high level of polyphenols.

Copyright Associated Press of Pakistan, 2007

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