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Ergogenic effect of pre-exercise chicken broth ingestion on a high-intensity cycling time-trial

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Abstract
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 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 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 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.
Keywords
Carnosine, Anserine, Chicken broth, Pre-exercise meal, High-intensity, exercise, Performance

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MLA
Barbaresi, Silvia, et al. “Ergogenic Effect of Pre-Exercise Chicken Broth Ingestion on a High-Intensity Cycling Time-Trial.” JOURNAL OF THE INTERNATIONAL SOCIETY OF SPORTS NUTRITION, vol. 18, no. 1, 2021, doi:10.1186/s12970-021-00408-6.
APA
Barbaresi, S., Blancquaert, L., Nikolovski, Z., de Jager, S., Wilson, M., Everaert, I., … Derave, W. (2021). Ergogenic effect of pre-exercise chicken broth ingestion on a high-intensity cycling time-trial. JOURNAL OF THE INTERNATIONAL SOCIETY OF SPORTS NUTRITION, 18(1). https://doi.org/10.1186/s12970-021-00408-6
Chicago author-date
Barbaresi, Silvia, Laura Blancquaert, Zoran Nikolovski, Sarah de Jager, Mathew Wilson, Inge Everaert, Siegrid De Baere, et al. 2021. “Ergogenic Effect of Pre-Exercise Chicken Broth Ingestion on a High-Intensity Cycling Time-Trial.” JOURNAL OF THE INTERNATIONAL SOCIETY OF SPORTS NUTRITION 18 (1). https://doi.org/10.1186/s12970-021-00408-6.
Chicago author-date (all authors)
Barbaresi, Silvia, Laura Blancquaert, Zoran Nikolovski, Sarah de Jager, Mathew Wilson, Inge Everaert, Siegrid De Baere, Siska Croubels, Stefaan De Smet, N. Tim Cable, and Wim Derave. 2021. “Ergogenic Effect of Pre-Exercise Chicken Broth Ingestion on a High-Intensity Cycling Time-Trial.” JOURNAL OF THE INTERNATIONAL SOCIETY OF SPORTS NUTRITION 18 (1). doi:10.1186/s12970-021-00408-6.
Vancouver
1.
Barbaresi S, Blancquaert L, Nikolovski Z, de Jager S, Wilson M, Everaert I, et al. Ergogenic effect of pre-exercise chicken broth ingestion on a high-intensity cycling time-trial. JOURNAL OF THE INTERNATIONAL SOCIETY OF SPORTS NUTRITION. 2021;18(1).
IEEE
[1]
S. Barbaresi et al., “Ergogenic effect of pre-exercise chicken broth ingestion on a high-intensity cycling time-trial,” JOURNAL OF THE INTERNATIONAL SOCIETY OF SPORTS NUTRITION, vol. 18, no. 1, 2021.
@article{8699810,
  abstract     = {{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 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 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 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.}},
  articleno    = {{15}},
  author       = {{Barbaresi, Silvia and Blancquaert, Laura and Nikolovski, Zoran and de Jager, Sarah and Wilson, Mathew and Everaert, Inge and De Baere, Siegrid and Croubels, Siska and De Smet, Stefaan and Cable, N. Tim and Derave, Wim}},
  issn         = {{1550-2783}},
  journal      = {{JOURNAL OF THE INTERNATIONAL SOCIETY OF SPORTS NUTRITION}},
  keywords     = {{Carnosine,Anserine,Chicken broth,Pre-exercise meal,High-intensity,exercise,Performance}},
  language     = {{eng}},
  number       = {{1}},
  pages        = {{12}},
  title        = {{Ergogenic effect of pre-exercise chicken broth ingestion on a high-intensity cycling time-trial}},
  url          = {{http://dx.doi.org/10.1186/s12970-021-00408-6}},
  volume       = {{18}},
  year         = {{2021}},
}

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