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Abstract Title:

Pomegranate Extract Improves Maximal Performance of Trained Cyclists after an Exhausting Endurance Trial: A Randomised Controlled Trial.

Abstract Source:

Nutrients. 2019 Mar 28 ;11(4). Epub 2019 Mar 28. PMID: 30925733

Abstract Author(s):

Antonio Torregrosa-García, Vicente Ávila-Gandía, Antonio J Luque-Rubia, María Salud Abellán-Ruiz, María Querol-Calderón, F Javier López-Román

Article Affiliation:

Antonio Torregrosa-García

Abstract:

The efficacy of pomegranate () extract (PE) for improving performance and post-exercise recovery in an active population was equivocal in previous studies. In this study, a randomised, double-blinded, placebo-controlled, balanced, cross-over trial with two arms was conducted. Eligibility criteria for participants were as follows: male, amateur cyclist, with a training routine of 2 to 4 sessions per week (at least one hour per session). The cyclists (= 26) were divided into treatment (PE) and placebo (PLA) groups for a period of 15 days. After physical tests, the groups were exchanged after a 14-day washout period. Exercise tests consisted of endurance bouts (square-wave endurance exercise test followed by an incremental exercise test to exhaustion) and an eccentric exercise drill. The objective was to assess the efficacy of PE in performance outcomes and post-exercise muscular recovery and force restoration after a prolonged submaximal effort. Twenty-six participants were included for statistical analysis. There was a statistically significant difference in total time to exhaustion (TTE)(17.66⁻170.94 s,<0.02) and the time to reach ventilatory threshold 2 (VT2)(26.98⁻82.55 s,<0.001), with greater values for the PE compared to the PLA group. No significant results were obtained for force restoration in the isokinetic unilateral low limb test. PE, after a prolonged submaximal effort, may be effective in improving performance outcomes at maximal effort and might help to restore force in the damaged muscles.

Study Type : Human Study

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