Effect of acute dietary nitrate supplementation on the post-exercise ambulatory blood pressure in obese males: a randomized, controlled, crossover trial

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dc.contributor.authorFayh, Ana Paula Trussardi
dc.contributor.authorBezerra, Agnes Denise de Lima
dc.contributor.authorCosta, Eduardo Caldas
dc.contributor.authorPacheco, Daniela Antunes
dc.contributor.authorSouza, Daniel Costa de
dc.contributor.authorFarias Junior, Luiz Fernando
dc.contributor.authorRitti, Raphael Mendes
dc.contributor.authorGrigolo, Gisele Bettu
dc.contributor.authorBittencourt Júnior, Paulo Ivo Homem
dc.contributor.authorKrause, Mauricio
dc.date.accessioned2023-12-04T20:34:59Z
dc.date.available2023-12-04T20:34:59Z
dc.date.issued2019-02
dc.description.resumoThis study aimed to verify the effect of beetroot juice on postexercise ambulatory blood pressure (BP) in obese individuals. Fourteen non-hypertensive obese males were randomly assigned to three experimental sessions: 1) Beetroot juice with exercise (BJE, 200ml with ≈ 800mg nitrate and 40 minutes of moderateintensity aerobic exercise at an intensity of 50% of the heart rate reserve), 2) fruit soda with exercise (FSE, 200ml of a low-nitrate drink and the same exercise session) and 3) control (CON, 200ml of water, an insignificant nitrate drink without exercise). The concentration of total nitrites and nitrates in plasma (NOx) after the drinks and the 24-hour ambulatory BP were evaluated. A twoway (condition vs. time) ANOVA for repeated measures, with a Bonferroni post hoc was used to analyze variables. The plasma NOx concentration increased significantly after ingestion of beetroot juice (from 9.9 ± 8.4 μM to 47.0 ± 16.9 μM, p < 0.001) and remained elevated until 1 hour post-intervention (54.7 ± 10.1 µM, p < 0.001), while it did not change in FSE and CON groups. The BJE session decreased ambulatory systolic BP in 5.3 mmHg (IC95%, -10.1 to -0.6, p = 0.025) in the period of 1-6 h after the BJE session compared to the CON session and reduction of 3.8 mmHg (IC95%, -7.5 to -0.007, p = 0.05) compared to the FSE session. No significant changes were observed for ambulatory diastolic BP (p > 0.05). BJE enhanced the reduction of systolic ambulatory BP up to 6 hours following a moderate-intensity aerobic exercise in obese individuals with an elevated cardiovascular risk profilept_BR
dc.identifier.citationBEZERRA, Agnes Denise de Lima; COSTA, Eduardo Caldas; PACHECO, Daniela Antunes; SOUZA, Daniel Costa de; FARIAS JUNIOR, Luiz Fernando; RITTI, Raphael Mendes; GRIGOLO, Gisele Bettu; BITTENCOURT JÚNIOR, Paulo Ivo Homem; KRAUSE, Mauricio; FAYH, Ana Paula Trussardi. Effect of acute dietary nitrate supplementation on the post-exercise ambulatory blood pressure in obese males: a randomized, controlled, crossover trial. Journal of Sports Science and Medicine, v. 18, p. 118-127, 11 fev. 2019. Disponível em: https://www.jssm.org/jssm-18-118.xml%3EFulltext. Acesso em: 30 nov. 2023.pt_BR
dc.identifier.issn1303-2968
dc.identifier.urihttps://repositorio.ufrn.br/handle/123456789/55572
dc.languageenpt_BR
dc.publisherJournal of Sports Science and Medicinept_BR
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Brazil*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/br/*
dc.subjectAerobic exercisept_BR
dc.subjectnitric oxidept_BR
dc.subjectpost-exercise hypotensionpt_BR
dc.subjectobesitypt_BR
dc.subjectcardiovascular diseasept_BR
dc.titleEffect of acute dietary nitrate supplementation on the post-exercise ambulatory blood pressure in obese males: a randomized, controlled, crossover trialpt_BR
dc.typearticlept_BR

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