Beetroot (Beta Vulgaris L.) Extract Acutely Improves Heart Rate Variability Recovery Following Strength Exercise: A Randomized, Double-Blind, Placebo-Controlled Crossover Trial-Pilot Study

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dc.contributor.authorBenjamim, Cicero Jonas R.
dc.contributor.authorS. Júnior, Francisco Wellington
dc.contributor.authorde Figueirêdo, Maria Íris L. S.
dc.contributor.authorBenjamim, Cicera Josilânia R.
dc.contributor.authorCavalcante, Taisy C. Ferro
dc.contributor.authorda Silva, Amanda A. Marcelino
dc.contributor.authorMonteiro, Larissa Raylane L.
dc.contributor.authorSantana, Milana Drumond R.
dc.contributor.authorGarner, David M.
dc.contributor.authorValenti, Vitor E. [UNESP]
dc.contributor.institutionUniversity of Pernambuco
dc.contributor.institutionUniversity Center of Juazeiro do Norte
dc.contributor.institutionOxford Brookes University
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2020-12-12T01:27:41Z
dc.date.available2020-12-12T01:27:41Z
dc.date.issued2020-01-01
dc.description.abstractObjective: We assessed the acute effect of beetroot extract intake on cardiovascular and autonomic recovery subsequent to strength exercise. Methods: This is a crossover, randomized, double-blind and placebo-controlled trial. We assessed 16 subjects but only 12 healthy male adults completed the two protocols in two randomized days: Beetroot extract (600 mg in capsule) and placebo (600 mg starch in capsule). Beetroot extract or placebo was ingested, the subjects endured 120 minutes seated at rest, followed by a 75% 1RM strength exercise and then remained seated for 60 minutes at rest. Cardiorespiratory parameters, heart rate (HR) variability (HRV) (SDNN, rMSSD, pNN50, SD1, SD2 HF [ms2]) were estimated before, during exercise and during recovery from exercise. Results: ingestion of beetroot extract before exercise: accelerates the recovery of SBP following physical effort; improves HR recovery to baseline resting levels (beetroot protocol: change in ∼62% vs. placebo protocol: change in ∼80%), and intensifies the return of vagal HR control during recovery after exercise. Conclusions: Beetroot extract acutely improved cardiovascular and autonomic recovery after exercise.en
dc.description.affiliationDevelopment Nutrition Phytotherapy and Hygiene Research Group University of Pernambuco
dc.description.affiliationPhysiological and Collective Sciences Nucleus University Center of Juazeiro do Norte
dc.description.affiliationDepartment of Biological and Medical Sciences Faculty of Health and Life Sciences Cardiorespiratory Research Group Oxford Brookes University
dc.description.affiliationAutonomic Nervous System Center (CESNA) Sao Paulo State University UNESP
dc.description.affiliationUnespAutonomic Nervous System Center (CESNA) Sao Paulo State University UNESP
dc.identifierhttp://dx.doi.org/10.1080/07315724.2020.1774441
dc.identifier.citationJournal of the American College of Nutrition.
dc.identifier.doi10.1080/07315724.2020.1774441
dc.identifier.issn1541-1087
dc.identifier.issn0731-5724
dc.identifier.scopus2-s2.0-85086509598
dc.identifier.urihttp://hdl.handle.net/11449/198990
dc.language.isoeng
dc.relation.ispartofJournal of the American College of Nutrition
dc.sourceScopus
dc.subjectautonomic nervous system
dc.subjectBeta vulgaris L
dc.subjectcardiovascular system
dc.subjectdietary supplements
dc.subjectexercise
dc.titleBeetroot (Beta Vulgaris L.) Extract Acutely Improves Heart Rate Variability Recovery Following Strength Exercise: A Randomized, Double-Blind, Placebo-Controlled Crossover Trial-Pilot Studyen
dc.typeArtigo
unesp.author.orcid0000-0002-8679-7166[1]
unesp.author.orcid0000-0002-6498-5158[5]
unesp.author.orcid0000-0002-5109-3900[6]
unesp.author.orcid0000-0001-8740-9965[8]
unesp.author.orcid0000-0002-8114-9055[9]
unesp.author.orcid0000-0001-7477-3805[10]

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