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Cranberries May Provide Cardiovascular Benefits

Flow-mediated dilation refers to the widening of an artery when blood flow increases in that artery. Low flow-mediated dilation is considered a predictive biomarker of cardiovascular disease. A recent study has found that daily consumption of whole cranberry powder may help improve flow-mediated dilation.

Participants in the study included 45 healthy males. They received 9 grams of cranberry powder (equivalent to 1 cup of fresh cranberries) or a placebo daily for 1 month. Flow-mediated dilation was measured at baseline and at the end of the study period. Serum and urinary levels of cranberry-derived polyphenols were also evaluated.

Participants in the cranberry group saw a significant 1.1% increase in flow-mediated dilation compared to the placebo group. They also saw significant increases in 4 plasma and 13 urinary cranberry-derived polyphenols.

The study was conducted by researchers from the University of Surrey and University Dusseldorf. It was published online ahead of print on March 22, 2022 in the journal Food & Function.

Cranberries have also been found to help promote urinary tract health.

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