Silvia Barbaresi1, Laura Blancquaert1, N Tim Cable2, Wim Derave3, Zoran Nikolovski4, Sarah de Jager1, Mathew Wilson5, Inge Everaert1, Siegrid De Baere6, Siska Croubels6, Stefaan De Smet7. 1. Department of Movement and Sports Sciences, Ghent University, Watersportlaan 2, B-9000, Ghent, Belgium. 2. School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, UK. 3. Department of Movement and Sports Sciences, Ghent University, Watersportlaan 2, B-9000, Ghent, Belgium. wim.derave@ugent.be. 4. Faculty of Kinesiology, University of Split, Split, Croatia. 5. Institute of Sport, Exercise and Health (ISEH), University College London, London, UK. 6. Department of Pharmacology, Toxicology and Biochemistry, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium. 7. Laboratory for Animal Nutrition and Animal Product Quality, Ghent University, Ghent, Belgium.
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.
RCT Entities:
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 chickenbroth (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.
Authors: R C Harris; M J Tallon; M Dunnett; L Boobis; J Coakley; H J Kim; J L Fallowfield; C A Hill; C Sale; J A Wise Journal: Amino Acids Date: 2006-03-24 Impact factor: 3.520
Authors: Bryan Saunders; Kirsty Elliott-Sale; Guilherme G Artioli; Paul A Swinton; Eimear Dolan; Hamilton Roschel; Craig Sale; Bruno Gualano Journal: Br J Sports Med Date: 2016-10-18 Impact factor: 13.800
Authors: Sarah de Jager; Laura Blancquaert; Thibaux Van der Stede; Eline Lievens; Siegrid De Baere; Siska Croubels; Ettore Gilardoni; Luca G Regazzoni; Giancarlo Aldini; Jan G Bourgois; Wim Derave Journal: J Int Soc Sports Nutr Date: 2022-03-26 Impact factor: 4.948