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ARYA Atheroscler. 2013 Nov;9(6):326-31.

Clinical investigation of the acute effects of pomegranate juice on blood pressure and endothelial function in hypertensive individuals.

Author information

1
Professor, Isfahan Cardiovascular Research Center, Isfahan Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran.
2
Isfahan Cardiovascular Research Center, Isfahan Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran.
3
Assistant Professor, Biotechnology Research Center, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
4
Cardiac Rehabilitation Research Center, Isfahan Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran.
5
Professor, Medical Plants Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran.

Abstract

BACKGROUND:

Pomegranate juice (PJ) is rich in bioactive phytochemicals with antioxidant, and anti-inflammatory and cardioprotective functions. The present trial investigated the acute effects of PJ consumption on blood pressure and markers of endothelial function.

METHODS:

In this single-arm study, thirteen hypertensive men aged 39-68 years were recruited. Included subjects were assigned to natural PJ (150 ml/day) following a 12 hour fast. Systolic blood pressure (SBP), diastolic blood pressure (DBP), and flow-mediated dilation (FMD), along with serum concentrations of C-reactive protein (CRP), intracellular adhesion molecule-1 (ICAM-1), vascular cell adhesion molecule 1 (VCAM-1), E-selectin and interleukin-6 (IL-6) were measured at baseline and 4-6 hours after PJ consumption.

RESULTS:

Comparison of pre- vs. post-trial values revealed a significant reduction in both SBP (7%; P = 0.013) and DBP (6%; P < 0.010). However, changes in FMD (20%) as well as circulating levels of CRP, ICAM-1, VCAM-1, E-selectin, and IL-6 did not reach statistical significance (P = 0.172).

CONCLUSION:

PJ has promising acute hypotensive properties. Consumption of PJ could be considered in the context of both dietary and pharmacological interventions for hypertension.

KEYWORDS:

Cardiovascular Disease; Endothelium-Dependent Dilation; Hypertension; Inflammation; Punica Granatum L.

PMID:
24575134
PMCID:
PMC3933059

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