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Bitter Orange (Citrus aurantium L.) Intake Before Submaximal Aerobic Exercise Is Safe for Cardiovascular and Autonomic Systems in Healthy Males: A Randomized Trial.


ABSTRACT:

Background

There are still no studies of the cardiovascular safety of the isolated use of Citrus aurantium in aerobic submaximal exercise.

Objective

To evaluate the effect of C. aurantium supplementation on the recovery of cardiorespiratory and autonomic parameters following a session of submaximal aerobic exercise.

Methods

Twelve healthy male adults achieved a crossover, randomized, double-blind, and placebo-controlled trial. C. aurantium (600 mg, p-synephrine at 30% amount [180 mg]) or placebo (600 mg of starch) were ingested 90 min before evaluation in randomized days. We evaluated systolic blood pressure (SBP), diastolic blood pressure (DBP), pulse pressure (PP), mean arterial pressure (MAP), heart rate (HR) and, HR variability indexes at Rest and during 60 min of recovery from exercise.

Results

Citrus aurantium ingestion accelerated the reduction in SBP after exercise, anticipated the return of vagal modulation of the heart after exercise via the HF (ms2), pNN50 (%), and 2 UV% indices. Moreover, rushed the output of sympathetic modulation after exercise via the 0V% index. No unfavorable cardiovascular effects were achieved for HR, DBP, PP, and MAP parameters.

Conclusions

Citrus aurantium was shown to be safe for the cardiovascular and autonomic systems alongside submaximal aerobic exercise in healthy males.

SUBMITTER: Benjamim CJR 

PROVIDER: S-EPMC9184817 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature

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Publications

Bitter Orange <i>(Citrus aurantium L.)</i> Intake Before Submaximal Aerobic Exercise Is Safe for Cardiovascular and Autonomic Systems in Healthy Males: A Randomized Trial.

Benjamim Cicero Jonas R CJR   Júnior Francisco Welington de Sousa FWS   Porto Andrey Alves AA   Rocha Élida Mara B ÉMB   Santana Milana D MD   Garner David M DM   Valenti Vitor E VE   Bueno Júnior Carlos Roberto CR  

Frontiers in nutrition 20220527


<h4>Background</h4>There are still no studies of the cardiovascular safety of the isolated use of <i>Citrus aurantium</i> in aerobic submaximal exercise.<h4>Objective</h4>To evaluate the effect of <i>C. aurantium</i> supplementation on the recovery of cardiorespiratory and autonomic parameters following a session of submaximal aerobic exercise.<h4>Methods</h4>Twelve healthy male adults achieved a crossover, randomized, double-blind, and placebo-controlled trial. <i>C. aurantium</i> (600 mg, p-sy  ...[more]

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