No effect of acute beetroot juice ingestion on oxygen consumption, glucose kinetics, or skeletal muscle metabolism during submaximal exercise in males

Journal article


Betteridge, Scott, Bescós, Raúl, Martorell, Miquel, Pons, Antoni, Garnham, Andrew, Stathis, Christos C. and Mcconell, Glenn. (2016). No effect of acute beetroot juice ingestion on oxygen consumption, glucose kinetics, or skeletal muscle metabolism during submaximal exercise in males. Journal of Applied Physiology. 120(4), pp. 391 - 398. https://doi.org/10.1152/japplphysiol.00658.2015
AuthorsBetteridge, Scott, Bescós, Raúl, Martorell, Miquel, Pons, Antoni, Garnham, Andrew, Stathis, Christos C. and Mcconell, Glenn
Abstract

Beetroot juice, which is rich in nitrate (NO3−), has been shown in some studies to decrease oxygen consumption (V̇o2) for a given exercise workload, i.e., increasing efficiency and exercise tolerance. Few studies have examined the effect of beetroot juice or nitrate supplementation on exercise metabolism. Eight healthy recreationally active males participated in three trials involving ingestion of either beetroot juice (Beet; ∼8 mmol NO3−), Placebo (nitrate-depleted Beet), or Beet + mouthwash (Beet+MW), all of which were performed in a randomized single-blind crossover design. Two-and-a-half hours later, participants cycled for 60 min on an ergometer at 65% of V̇o2 peak. [6,6-2H]glucose was infused to determine glucose kinetics, blood samples obtained throughout exercise, and skeletal muscle biopsies that were obtained pre- and postexercise. Plasma nitrite [NO2−] increased significantly (∼130%) with Beet, and this was attenuated in MW+Beet. Beet and Beet+MW had no significant effect on oxygen consumption, blood glucose, blood lactate, plasma nonesterified fatty acids, or plasma insulin during exercise. Beet and Beet+MW also had no significant effect on the increase in glucose disposal during exercise. In addition, Beet and Beet+MW had no significant effect on the decrease in muscle glycogen and phosphocreatine and the increase in muscle creatine, lactate, and phosphorylated acetyl CoA carboxylase during exercise. In conclusion, at the dose used, acute ingestion of beetroot juice had little effect on skeletal muscle metabolism during exercise.

Keywordsexercise; inorganic nitrate; acetyl CoA carboxylase; glucose kinetics; metabolites
Year2016
JournalJournal of Applied Physiology
Journal citation120 (4), pp. 391 - 398
PublisherAmerican Physiological Society
ISSN8750-7587
Digital Object Identifier (DOI)https://doi.org/10.1152/japplphysiol.00658.2015
Scopus EID2-s2.0-84959268406
Page range391 - 398
Publisher's version
File Access Level
Controlled
Place of publicationUnited States
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Coffey, Vernon, Moore, Daniel, Burd, N, Rerecich, T, Stellingwerff, T, Garnham, A, Phillips, S and Hawley, John. (2011). Nutrient provision increases signalling and protein synthesis in human skeletal muscle after repeated sprints. European Journal of Applied Physiology. 111(7), pp. 1473 - 1483. https://doi.org/10.1007/s00421-010-1768-0
Impact of resistance exercise training on interleukin-6 and JAK/STAT in young men
Trenerry, Marissa K., Della Gatta, Paul A., Larsen, Amy E., Garnham, Andrew P. and Cameron-Smith, David. (2011). Impact of resistance exercise training on interleukin-6 and JAK/STAT in young men. Muscle & Nerve. 43(3), pp. 385 - 392. https://doi.org/10.1002/mus.21875
Impact of resistance exercise training on interleukin-6 and JAK/STAT in young men
Trenerry, Melissa K., Della Gatta, Paul A., Larson, Amy E. and Garnham, Andrew P.. (2011). Impact of resistance exercise training on interleukin-6 and JAK/STAT in young men. Muscle & Nerve. 43(3), pp. 385 - 392. https://doi.org/10.1002/mus.21875
Vitamin D status and musculoskeletal health in adolescent male ballet dancers a pilot study
Ducher, Gaele, Kukuljan, Sonja, Hill, B., Garnham, Andrew P., Nowson, Carol A., Kimlin, M. G. and Cook, Jill. (2011). Vitamin D status and musculoskeletal health in adolescent male ballet dancers a pilot study. Journal of Dance Medicine and Science. 15(3), pp. 99 - 107.
Current markers of the Athlete Blood Passport do not flag microdose EPO doping
Ashenden, Michael, Gough, Clare E., Garnham, Andrew, Gore, Christopher J. and Sharpe, Ken. (2011). Current markers of the Athlete Blood Passport do not flag microdose EPO doping. European Journal of Applied Physiology. 111(9), pp. 2307 - 2314. https://doi.org/10.1007/s00421-011-1867-6
Exercise training increases adipose tissue GLUT4 expression in patients with type 2 diabetes
Hussey, Sophie E., McGee, S. L., Garnham, Andrew, Wentworth, John M., Jeukendrup, A. E. and Hargreaves, M.. (2011). Exercise training increases adipose tissue GLUT4 expression in patients with type 2 diabetes. Diabetes, Obesity and Metabolism. 13(10), pp. 959 - 962. https://doi.org/10.1111/j.1463-1326.2011.01426.x
Acute signalling responses to intense endurance training commenced with low or normal muscle glycogen : Experimental Physiology-Research Paper
Yeo, W, McGee, S, Carey, A, Paton, C, Garnham, A, Hargreaves, M and Hawley, John. (2010). Acute signalling responses to intense endurance training commenced with low or normal muscle glycogen : Experimental Physiology-Research Paper. Experimental Physiology. 95(2), pp. 351 - 358. https://doi.org/10.1113/expphysiol.2009.049353
Cytokine responses to carbohydrate ingestion during recovery from exercise-induced muscle injury
Ross, M, Halson, Shona, Suzuki, K, Garnham, A, Hawley, John, Cameron-Smith, David and Peake, J. (2010). Cytokine responses to carbohydrate ingestion during recovery from exercise-induced muscle injury. Journal of Interferon and Cytokine Research. 30(5), pp. 329 - 337. https://doi.org/10.1089/jir.2009.0079
Effect of consecutive repeated sprint and resistance exercise bouts on acute adaptive responses in human skeletal muscle
Coffey, Vernon Glenn, Jemiolo, Bozena, Edge, Johann, Garnham, Andrew P., Trappe, Scott W. and Hawley, John Alan. (2009). Effect of consecutive repeated sprint and resistance exercise bouts on acute adaptive responses in human skeletal muscle. American Journal of Physiology - Regulatory Integrative and Comparative Physiology. 297(5), pp. 1441 - 1451. https://doi.org/10.1152/ajpregu.00351.2009
Consecutive bouts of diverse contractile activity alter acute responses in human skeletal muscle
Coffey, Vernon Glenn, Pilegaard, Henriette, Garnham, Andrew P., O'Brien, Brendan J. and Hawley, John Alan. (2009). Consecutive bouts of diverse contractile activity alter acute responses in human skeletal muscle. Journal of Applied Physiology. 106(4), pp. 1187 - 1197. https://doi.org/10.1152/japplphysiol.91221.2008
Skeletal muscle adaptation and performance responses to once a day versus twice every second day endurance training regimens
Yeo, Wee Kian, Paton, Carl D., Garnham, Andrew P., Burke, Louise M., Carey, Andrew L. and Hawley, John Alan. (2008). Skeletal muscle adaptation and performance responses to once a day versus twice every second day endurance training regimens. Journal of Applied Physiology. 105(5), pp. 1462 - 1470. https://doi.org/10.1152/japplphysiol.90882.2008
Fat adaptation followed by carbohydrate restoration increases AMPK activity in skeletal muscle from trained humans
Yeo, Wee Kian, Lessard, Sarah J., Chen, Zhi-Ping, Garnham, Andrew P., Burke, Louise, Rivas, Donato A., Kemp, Bruce Ernest and Hawley, John Alan. (2008). Fat adaptation followed by carbohydrate restoration increases AMPK activity in skeletal muscle from trained humans. Journal of Applied Physiology. 105(5), pp. 1519 - 1526. https://doi.org/10.1152/japplphysiol.90540.2008