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Green Tea, Intermittent Sprinting Exercise, and Fat Oxidation

Gahreman, Daniel, Wang, Rose, Boutcher, Yati and Boutcher, Stephen (2015). Green Tea, Intermittent Sprinting Exercise, and Fat Oxidation. Nutrients,7(7):5646-5663.

Document type: Journal Article
Citation counts: Altmetric Score Altmetric Score is 11
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IRMA ID 75039815xPUB952
Title Green Tea, Intermittent Sprinting Exercise, and Fat Oxidation
Author Gahreman, Daniel
Wang, Rose
Boutcher, Yati
Boutcher, Stephen
Journal Name Nutrients
Publication Date 2015
Volume Number 7
Issue Number 7
ISSN 2072-6643   (check CDU catalogue open catalogue search in new window)
Scopus ID 2-s2.0-84937459089
Start Page 5646
End Page 5663
Total Pages 18
Place of Publication Switzerland
Publisher M D P I AG
HERDC Category C1 - Journal Article (DIISR)
Abstract Fat oxidation has been shown to increase after short term green tea extract (GTE) ingestion and after one bout of intermittent sprinting exercise (ISE). Whether combining the two will result in greater fat oxidation after ISE is undetermined. The aim of the current study was to investigate the combined effect of short term GTE and a single session of ISE upon post-exercise fat oxidation. Fourteen women consumed three GTE or placebo capsules the day before and one capsule 90 min before a 20-min ISE cycling protocol followed by 1 h of resting recovery. Fat oxidation was calculated using indirect calorimetry. There was a significant increase in fat oxidation post-exercise compared to at rest in the placebo condition (p < 0.01). After GTE ingestion, however, at rest and post-exercise, fat oxidation was significantly greater (p < 0.05) than that after placebo. Plasma glycerol levels at rest and 15 min during post-exercise were significantly higher (p < 0.05) after GTE consumption compared to placebo. Compared to placebo, plasma catecholamines increased significantly after GTE consumption and 20 min after ISE (p < 0.05). Acute GTE ingestion significantly increased fat oxidation under resting and post-exercise conditions when compared to placebo.
Keywords Green tea
High-intensity exercise
Epinephrine
Norepinephrine
Post exercise lipolysis
DOI http://dx.doi.org/10.3390/nu7075245   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)
Additional Notes This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Description for Link Link to CC Attribution 4.0 License
URL https://creativecommons.org/licenses/by/4.0/au


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