Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Is There a Role of Beetroot Consumption on the Recovery of Oxidative Status and Muscle Damage in Ultra-Endurance Runners?

Eva Vilar
ORCID logo ,
Eladio Collado-Boira
ORCID logo ,
Carlos Guerrero
,
Ana Folch-Ayora
ORCID logo ,
Pablo Salas-Medina
,
Carlos Hernando
ORCID logo ,
Pablo Baliño
* ,
María Muriach
* ORCID logo
Version 1 : Received: 5 February 2024 / Approved: 5 February 2024 / Online: 5 February 2024 (10:32:11 CET)

A peer-reviewed article of this Preprint also exists.

Vilar, E.; Collado-Boira, E.; Guerrero, C.; Folch-Ayora, A.; Salas-Medina, P.; Hernando, C.; Baliño, P.; Muriach, M. Is There a Role of Beetroot Consumption on the Recovery of Oxidative Status and Muscle Damage in Ultra-Endurance Runners? Nutrients 2024, 16, 583. Vilar, E.; Collado-Boira, E.; Guerrero, C.; Folch-Ayora, A.; Salas-Medina, P.; Hernando, C.; Baliño, P.; Muriach, M. Is There a Role of Beetroot Consumption on the Recovery of Oxidative Status and Muscle Damage in Ultra-Endurance Runners? Nutrients 2024, 16, 583.

Abstract

(1) Background: Ultra-endurance exercise involves a high physical impact, resulting in muscle damage, inflammatory response and production of free radicals that alter the body's oxidative state. Supplementation with antioxidants, such as beetroot, may improve recovery in ultra-endurance runners. The aim of this study was to determine whether there is a correlation between the beetroot intake and the recovery of serum oxidative status, inflammatory response and muscle damage parameters after an ultra-endurance race. (2) Methods: An observational and longitudinal study was conducted by means of surveys and blood samples collected from 32 runners during the IX Penyagolosa Trails CSP® race and the two following days. The variables C-reactive protein (CRP), lactate dehydrogenase (LDH), creatine kinase (CK), the activity of the antioxidant enzymes glutathione peroxidase (GPx) and glutathione reductase (GR), as well as the oxidative damage markers malondialdehyde (MDA), carbonyl groups (CG) and loss of muscle strength using the Squat Jump test (SJ) were analyzed to discriminate whether beetroot consumption can modulate the recovery of ultra-trail runners. (3) Results: Significant differences were observed between runners who ingested beetroot and those who did not, in terms of oxidative status, specifically in serum GPx activity at 24 and 48 hours, muscle damage variables CK and LDH and in SJ test at the finish line. Therefore, the intake of supplements containing beetroot positively influences the recovery of serum oxidative status and muscle damage after ultra-endurance running.

Keywords

oxidative stress; ultra-endurance sport; antioxidants; muscle damage

Subject

Public Health and Healthcare, Physical Therapy, Sports Therapy and Rehabilitation

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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