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Wangdi, Jimmy T., O'Leary, Mary F., G. Kelly, Vincent, Tang, Jonathan C. Y. 
ORCID: https://orcid.org/0000-0001-6305-6333 and Bowtell, Joanna L.
(2024)
Montmorency cherry supplementation enhances 15km cycling time trial performance: Optimal timing 90-minutes pre-exercise.
European Journal of Sport Science, 24 (10).
pp. 1480-1494.
ISSN 1746-1391
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Abstract
Montmorency cherry (MC) can improve endurance performance, but optimal pre-exercise timing of supplementation and influence of training status on efficacy are unknown. We investigated the effect of MC concentrate ingestion between 30- and 150-min pre-exercise in trained and recreational cyclists on 15-km time trial (TT) performance and exercise economy. Twenty participants (10 recreationally active, RA; 10 trained, T) completed 10 min of steady-state exercise (SSE) at 40%Δ (SSE) and a TT on four separate occasions following an unsupplemented (US), 30-, 90- or 150-min pre-exercise Montmorency cherry concentrate (MCC) supplementation conditions (MCC30/90/150min). Venous and capillary blood samples were taken at regular intervals pre- and post-SSE and TT. MCC significantly improved TT performance, but not exercise economy. The greatest improvement in performance occurred following MCC90min compared to US (US 1603.1 ± 248 s vs. MCC90min 1554.8 ± 226.7 s, 2.83% performance improvement). Performance was significantly enhanced for trained (US 1496.6 ± 173.1 s vs. MCC90min 1466.8 ± 157.6 s) but not recreationally active participants. Capillary [lactate] and heart rate were significantly greater during the TT for the 90-min dose timing (p < 0.05). In the MCC30min and MCC90min conditions, plasma ferulic (US 8.71 ± 3.22 nmol. L−1 vs. MCC30min 15.80 ± 8.69 nmol. L−1, MCC90min 12.65 ± 4.84 nmol. L−1) and vanillic acid (US 25.14 ± 10.91 nmol.L−1 vs. MCC30min 153.07 ± 85.91 nmol. L−1, MCC90min 164.58 ± 59.06 nmol. L−1) were significantly higher pre-exercise than in US and MCC150min conditions (p < 0.05). There was no significant change in muscle oxygenation status or plasma nitrite/nitrate concentration. MCC supplementation enhanced endurance exercise performance optimally when consumed ∼90 min pre-exercise producing maximal plasma phenolic metabolites during exercise. The ergogenic effect was greater for trained participants.Conclusions: Optimal pre-exercise MCC supplementation timing to enhance endurance exercise performance is ~90 minutes before exercise when plasma phenolic metabolites were maximally elevated, with a greater ergogenic effect for trained participants.
| Item Type: | Article |
|---|---|
| Additional Information: | Data Availability Statement: The data that supports the findings of this study are available in the supplementary material of this article. Funding information: QUEX Institute PhD Funding |
| Uncontrolled Keywords: | montmorency cherry,endurance exercise,nitric oxide,time trial,training status,physical therapy, sports therapy and rehabilitation,orthopedics and sports medicine ,/dk/atira/pure/subjectarea/asjc/3600/3612 |
| Faculty \ School: | Faculty of Medicine and Health Sciences > Norwich Medical School |
| UEA Research Groups: | Faculty of Medicine and Health Sciences > Research Groups > Musculoskeletal Medicine Faculty of Medicine and Health Sciences > Research Centres > Metabolic Health |
| Related URLs: | |
| Depositing User: | LivePure Connector |
| Date Deposited: | 04 Sep 2024 09:35 |
| Last Modified: | 07 Oct 2024 11:30 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/96509 |
| DOI: | 10.1002/ejsc.12187 |
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