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Dietary Polyphenol Intake, Blood Pressure, and Hypertension: A Systematic Review and Meta-Analysis of Observational Studies.

Increased intake of foods rich in anthocyanins can help to fight off hypertension.

​This study assessed the impact of high dietary exposure to polyphenols and flavonoids on the risk of hypertension using a meta-analytic approach. A total of 20 studies were considered for this meta-analysis. 

Researchers found out that habitual consumption of generous portions of foods packed with anthocyanins—a subclass of flavonoids—decreased the likelihood of acquiring hypertension by 8%. The data from this meta-analysis suggest that individuals who want to cut down their risk of hypertension should add more anthocyanin-containing foods to their diet.

Research Summary Information

  • 2019
  • Godos J, Vitale M, Micek A, Ray S, Martini D, Del Rio D, Riccardi G, Galvano F, Grosso G.
  • Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy. justyna.godos@student.uj.edu.pl. NNEdPro Global Centre for Nutrition and Health, St John's Innovation Centre, Cambridge CB4 0WS, UK; Wolfson College at the University of Cambridge, Cambridge CB3 9BB, UK; Nutrition Innovation Centre for Food and Health at Ulster University, Coleraine BT52 1SA, UK. justyna.godos@student.uj.edu.pl. Department of Clinical Medicine and Surgery, "Federico II" University, 80131 Naples, Italy. marilena.vitale@yahoo.it. Department of Nursing Management and Epidemiology Nursing, Faculty of Health Sciences, Jagiellonian University Medical College, 31-501 Krakow, Poland. agnieszka.micek@uj.edu.pl. NNEdPro Global Centre for Nutrition and Health, St John's Innovation Centre, Cambridge CB4 0WS, UK; Wolfson College at the University of Cambridge, Cambridge CB3 9BB, UK; Nutrition Innovation Centre for Food and Health at Ulster University, Coleraine BT52 1SA, UK. s.ray@nnedpro.org.uk. Medical Research Council (MRC) Human Nutrition Research Unit, Cambridge CB1 9NL, UK. s.ray@nnedpro.org.uk. The Laboratory of Phytochemicals in Physiology, Department of Veterinary Science, University of Parma, 43126 Parma, Italy. daniela.martini@unipr.it. NNEdPro Global Centre for Nutrition and Health, St John's Innovation Centre, Cambridge CB4 0WS, UK; Wolfson College at the University of Cambridge, Cambridge CB3 9BB, UK; Nutrition Innovation Centre for Food and Health at Ulster University, Coleraine BT52 1SA, UK. daniele.delrio@unipr.it. The Laboratory of Phytochemicals in Physiology, Department of Veterinary Science, University of Parma, 43126 Parma, Italy. daniele.delrio@unipr.it. Department of Clinical Medicine and Surgery, "Federico II" University, 80131 Naples, Italy. riccardi@unina.it. Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy. fgalvano@unict.it. Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy. giuseppe.grosso@studium.unict.it. NNEdPro Global Centre for Nutrition and Health, St John's Innovation Centre, Cambridge CB4 0WS, UK; Wolfson College at the University of Cambridge, Cambridge CB3 9BB, UK; Nutrition Innovation Centre for Food and Health at Ulster University, Coleraine BT52 1SA, UK. giuseppe.grosso@studium.unict.it.
  • Yes, Free full text of study was found:
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