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A pilot study investigating reactive oxygen species production in capillary blood after a marathon and the influence of an antioxidant-rich beetroot juice.

Lookup NU author(s): Dr Tom Clifford, Dr Amy Bowman, Tess Capper, Dr Dean Allerton, Dr Emma Foster, Professor Mark Birch-Machin, Professor Georg Lietz, Professor Emma Stevenson

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Abstract

We report that reactive oxygen species (ROS), as measured in capillary blood taken from the finger-tip, increased after a marathon (+128% P < 0.01; ES = 1.17), indicating that this collection method might be useful for measuring ROS in field settings. However, mitochondrial DNA damage remained unchanged. Beetroot juice, taken before and after exercise, was unable to mitigate exercise induced-ROS production, questioning its use an antioxidant rich-food.


Publication metadata

Author(s): Clifford T, Bowman A, Capper T, Allerton DM, Foster E, Birch-Machin M, Lietz G, Howatson G, Stevenson EJ

Publication type: Article

Journal: Applied Physiology, Nutrition, and Metabolism

Year: 2018

Volume: 43

Issue: 3

Pages: 303-306

Online publication date: 10/11/2017

Acceptance date: 21/11/2017

Print publication date: 01/03/2018

ISSN (print): 1715-5312

ISSN (electronic): 1715-5320

Publisher: Canadian Nutrition Society

URL: https://doi.org/10.1139/apnm-2017-0587

DOI: 10.1139/apnm-2017-0587


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