The Power of Purple for Your Heart
Research shows most children, adolescents, and adults are not getting enough fruit in their diets—particularly purple fruit. According to the Produce for Better Health Foundation, only 3% of fruit and vegetables are eaten by Americans comes from the purple/blue category—yet these fruits and vegetables contain polyphenols (natural plant nutrients) not found in many other colors of fruits and vegetables.
Growing evidence suggests that eating purple/blue foods, such as Concord grapes and Concord grape products, as part of a nutritious diet and active lifestyle, maybe one important ingredient for maintaining a healthy heart.
In a study of overweight but otherwise healthy adult men and women, circulation was improved when they drank Concord grape juice daily compared to those who didn’t drink Concord grape juice.
During the study, each participant drank 12 ounces (1½ cups) of Concord grape juice or a grape-flavored, sugar-sweetened drink daily for four weeks. At the end of the study period, the researchers found that the participants who drank Concord grape juice had a significant improvement in vascular function and blood vessel health compared to those drinking the grape flavored drink. Moreover, drinking Concord grape juice daily did not negatively affect weight, glucose (blood sugar) or insulin levels.
Another study that included an analysis of data from the National Health and Nutrition Examination Survey found that consuming purple/blue foods, such as Concord grapes and 100% juice made with Concord grapes, may help