Ergogenic effect of pre-exercise chicken broth ingestion on a high-intensity cycling time-trial.
Acid-Base Equilibrium
Analysis of Variance
Animals
Anserine
/ administration & dosage
Athletic Performance
Bicycling
/ physiology
Capillaries
Carnosine
/ administration & dosage
Chickens
Chromatography, Liquid
Cross-Over Studies
Double-Blind Method
Food
Glutathione
/ blood
Humans
Male
Meat
Performance-Enhancing Substances
/ administration & dosage
Placebos
/ administration & dosage
Tandem Mass Spectrometry
Time Factors
Anserine
Carnosine
Chicken broth
High-intensity exercise
Performance
Pre-exercise meal
Journal
Journal of the International Society of Sports Nutrition
ISSN: 1550-2783
Titre abrégé: J Int Soc Sports Nutr
Pays: United States
ID NLM: 101234168
Informations de publication
Date de publication:
15 Feb 2021
15 Feb 2021
Historique:
received:
23
06
2020
accepted:
20
01
2021
entrez:
16
2
2021
pubmed:
17
2
2021
medline:
16
6
2021
Statut:
epublish
Résumé
chicken meat extract is a popular functional food in Asia. It is rich in the bioactive compounds carnosine and anserine, two histidine-containing dipeptides (HCD). Studies suggest that acute pre-exercise ingestion of chicken extracts has important applications towards exercise performance and fatigue control, but the evidence is equivocal. This study aimed to evaluate the ergogenic potential of the pre-exercise ingestion of a homemade chicken broth (CB) vs a placebo soup on a short-lasting, high-intensity cycling exercise. fourteen men participated in this double-blind, placebo-controlled, crossover intervention study. Subjects ingested either CB, thereby receiving 46.4 mg/kg body weight of HCD, or a placebo soup (similar in taste without HCD) 40 min before an 8 min cycling time trial (TT) was performed. Venous blood samples were collected at arrival (fasted), before exercise and at 5 min recovery. Plasma HCD were measured with UPLC-MS/MS and glutathione (in red blood cells) was measured through HPLC. Capillary blood samples were collected at different timepoints before and after exercise. a significant improvement (p = 0.033; 5.2%) of the 8 min TT mean power was observed after CB supplementation compared to placebo. Post-exercise plasma carnosine (p < 0.05) and anserine (p < 0.001) was significantly increased after CB supplementation and not following placebo. No significant effect of CB supplementation was observed either on blood glutathione levels, nor on capillary blood analysis. oral CB supplementation improved the 8 min TT performance albeit it did not affect the acid-base balance or oxidative status parameters. Further research should unravel the potential role and mechanisms of HCD, present in CB, in this ergogenic approach.
Sections du résumé
BACKGROUND
BACKGROUND
chicken meat extract is a popular functional food in Asia. It is rich in the bioactive compounds carnosine and anserine, two histidine-containing dipeptides (HCD). Studies suggest that acute pre-exercise ingestion of chicken extracts has important applications towards exercise performance and fatigue control, but the evidence is equivocal. This study aimed to evaluate the ergogenic potential of the pre-exercise ingestion of a homemade chicken broth (CB) vs a placebo soup on a short-lasting, high-intensity cycling exercise.
METHODS
METHODS
fourteen men participated in this double-blind, placebo-controlled, crossover intervention study. Subjects ingested either CB, thereby receiving 46.4 mg/kg body weight of HCD, or a placebo soup (similar in taste without HCD) 40 min before an 8 min cycling time trial (TT) was performed. Venous blood samples were collected at arrival (fasted), before exercise and at 5 min recovery. Plasma HCD were measured with UPLC-MS/MS and glutathione (in red blood cells) was measured through HPLC. Capillary blood samples were collected at different timepoints before and after exercise.
RESULTS
RESULTS
a significant improvement (p = 0.033; 5.2%) of the 8 min TT mean power was observed after CB supplementation compared to placebo. Post-exercise plasma carnosine (p < 0.05) and anserine (p < 0.001) was significantly increased after CB supplementation and not following placebo. No significant effect of CB supplementation was observed either on blood glutathione levels, nor on capillary blood analysis.
CONCLUSIONS
CONCLUSIONS
oral CB supplementation improved the 8 min TT performance albeit it did not affect the acid-base balance or oxidative status parameters. Further research should unravel the potential role and mechanisms of HCD, present in CB, in this ergogenic approach.
Identifiants
pubmed: 33588872
doi: 10.1186/s12970-021-00408-6
pii: 10.1186/s12970-021-00408-6
pmc: PMC7885453
doi:
Substances chimiques
Performance-Enhancing Substances
0
Placebos
0
Carnosine
8HO6PVN24W
Glutathione
GAN16C9B8O
Anserine
HDQ4N37UGV
Types de publication
Controlled Clinical Trial
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
15Subventions
Organisme : Industrial Research Fund (IOF, Ghent University)
ID : F2014/IOF-StarTT/273
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