Inhibition of Endothelial Dysfunction by Dietary Flavonoids and Preventive Effects Against Cardiovascular Disease.
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Abstracto
Cardiovascular disease (CVD), such as stroke, ischemic heart disease, and heart failure, accounts for many deaths, and its increasing incidence is a worldwide concern. Accumulating evidence suggests that the elevated risk of CVD caused by dysfunction of vascular endothelial cells and resultant arteriosclerosis can be mitigated by increased consumption of fruits and vegetables. These foods contain phytochemicals such as polyphenols and carotenoids, as well as dietary fiber. Flavonoids of the polyphenol class are found in vegetables, fruits, grains, bark, roots, stems, flowers, tea, and wine. Several studies have indicated that flavonoids reduce CVD mortality by inhibiting endothelial dysfunction. Flavonoids have a common carbon skeleton and are classified as flavonols, flavones, flavanols, flavanones, anthocyanidins, and isoflavones. In this review, we discuss recent progress in identifying the mechanisms by which dietary flavonoids improve vascular endothelial cell function. Further, we describe the beneficial role that these flavonoids may play in preventing CVD caused by endothelial dysfunction-related atherosclerosis.