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Article

A Randomized, Double-Blind, Placebo-Controlled Trial to Determine the Effectiveness of a Polyphenolic Extract (Hibiscus sabdariffa and Lippia citriodora) for Reducing Blood Pressure in Prehypertensive and Type 1 Hypertensive Subjects

1
Faculty of Health Sciences, San Antonio Catholic University of Murcia (UCAM), 30107 Murcia, Spain
2
Primary Care Research Group, Biomedical Research Institute of Murcia (IMIB-Arrixaca), 30120 Murcia, Spain
*
Author to whom correspondence should be addressed.
Academic Editor: Francesco Cacciola
Molecules 2021, 26(6), 1783; https://doi.org/10.3390/molecules26061783
Received: 27 January 2021 / Revised: 16 March 2021 / Accepted: 17 March 2021 / Published: 22 March 2021
Hypertension is an important factor of cardiovascular diseases and contributes to their negative consequences including mortality. The World Health Organization estimated that 54% of strokes and 47% of cases of ischemic heart illness are related to high blood pressure. Recently, Hibiscus sabdariffa (HS) and Lippia citriodora (LC) have attracted scientific interest, and they are recognized for their high content of polyphenols as these may prevent several disease factors, such as hypertension. The aim of the present study is to determine if supplementation with an HS-LC blend (MetabolAid®) may be effective for the treatment of type 1 hypertensive sedentary populations. A total of 80 type 1 hypertensive subjects of both sexes were included in the study and were treated with placebo or the HS-LC extract, and both groups were treated over 84 days. The blood pressure (diastolic, systolic, and pulse pressure) was measured throughout the day, for each of the days of the study duration and determined using Ambulatory Blood Pressure Monitoring (ABPM). Physical activity was determined throughout the study to ensure similar conditions related to exercise. The results showed the capacity for reducing the blood pressure parameters in the case of the HS-LC extract. The daily consumption of the HS-LC extract but not the placebo over 84 days was able to reduce the daytime parameters related to blood pressure. The most remarkable results were observed in the measurements performed during the daytime, especially in the systolic blood pressure showing statistically significant variation. View Full-Text
Keywords: Hibiscus sabdariffa; Lippia citriodora; polyphenol; blood pressure; hypertension Hibiscus sabdariffa; Lippia citriodora; polyphenol; blood pressure; hypertension
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MDPI and ACS Style

Marhuenda, J.; Pérez-Piñero, S.; Arcusa, R.; Victoria-Montesinos, D.; Cánovas, F.; Sánchez-Macarro, M.; García-Muñoz, A.M.; Querol-Calderón, M.; López-Román, F.J. A Randomized, Double-Blind, Placebo-Controlled Trial to Determine the Effectiveness of a Polyphenolic Extract (Hibiscus sabdariffa and Lippia citriodora) for Reducing Blood Pressure in Prehypertensive and Type 1 Hypertensive Subjects. Molecules 2021, 26, 1783. https://doi.org/10.3390/molecules26061783

AMA Style

Marhuenda J, Pérez-Piñero S, Arcusa R, Victoria-Montesinos D, Cánovas F, Sánchez-Macarro M, García-Muñoz AM, Querol-Calderón M, López-Román FJ. A Randomized, Double-Blind, Placebo-Controlled Trial to Determine the Effectiveness of a Polyphenolic Extract (Hibiscus sabdariffa and Lippia citriodora) for Reducing Blood Pressure in Prehypertensive and Type 1 Hypertensive Subjects. Molecules. 2021; 26(6):1783. https://doi.org/10.3390/molecules26061783

Chicago/Turabian Style

Marhuenda, Javier, Silvia Pérez-Piñero, Raúl Arcusa, Desirée Victoria-Montesinos, Fernando Cánovas, Maravillas Sánchez-Macarro, Ana M. García-Muñoz, María Querol-Calderón, and Francisco J. López-Román 2021. "A Randomized, Double-Blind, Placebo-Controlled Trial to Determine the Effectiveness of a Polyphenolic Extract (Hibiscus sabdariffa and Lippia citriodora) for Reducing Blood Pressure in Prehypertensive and Type 1 Hypertensive Subjects" Molecules 26, no. 6: 1783. https://doi.org/10.3390/molecules26061783

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