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Consumption of Flavonoid-Rich Foods Associated With Improved Blood Pressure

Flavonoids are antioxidant-rich compounds found naturally in foods such as berries, apples, pears, chocolate, tea, and red wine. A new study has found that consumption of flavonoid-rich foods may improve blood pressure levels.

Participants in the study included 904 adults. Dietary information was used to determine average flavonoid consumption. Systolic and diastolic blood pressure levels were measured, and gut microbiome composition was evaluated.

Participants with the highest intake of flavonoid-rich foods were found to have lower systolic blood pressure levels compared to those with the lowest intake. More specifically, consumption of 3 ounces of berries per day was associated with a reduction in systolic blood pressure of 4.1 mm Hg. Consumption of three glasses of red wine per week was associated with a reduction of systolic blood pressure of 3.7 mm Hg.

Participants with the highest intake of flavonoid-rich foods also had greater diversity in their gut microbiomes compared to those with the lowest consumption.

The study was conducted by researchers from Queen's University Belfast. It was published online ahead of print on August 23, 2021 in the journal Hypertension.

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