The cherry juice drink was made of concentrated Montmorency cherries (a type of tart cherry), equivalent to ~180 whole cherries and mixed in water. Various assessments of vascular function and blood pressure were measured periodically for the following 8 hours. 3 Participants consumed either a cherry juice concentrate beverage or a fruit-flavored placebo drink. In a recent study, 15 men with elevated systolic blood pressure (≥ to 130 mmHg) participated in a randomized-crossover study. 2 However, the mechanisms by which tart cherries, in particular, benefit the cardiovascular system are not well understood. 1 One study showed that high intake of anthocyanins was associated with a reduced risk of heart attack in women. Cardiovascular disease is one such chronic disease that is also the leading cause of mortality in the US and worldwide.
Because of these properties, studies have evaluated the potential role of flavonoid-rich foods in the prevention of chronic diseases. Cherries may exert these physiological benefits because of their high phytochemical content, such as flavonoids like anthocyanins (found in deep red and purple fruits and vegetables) and epicatechins (also found in green tea) that have anti-inflammatory and antioxidant properties. Tart cherries are often recommended as part of a healthy diet due to their purported health benefits, such as reducing post-exercise soreness and inflammation as well as improving sleep and heart health.
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