Electrolyte (Na+, K+, Cl-) Concentrations in Assorted Sports Drinks and Milk

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dc.contributor.author Manthey, Elizabeth K.
dc.date.accessioned 2010-05-10T14:36:34Z
dc.date.available 2010-05-10T14:36:34Z
dc.date.issued 2010-05-10T14:36:34Z
dc.identifier.uri http://hdl.handle.net/2092/1364
dc.description Advisor: David S. Senchina en_US
dc.description.abstract Sweat production during exercise results in a loss of electrolytes, particularly chloride, sodium and potassium ions as well as a loss of water. Sports drinks attempt to give athletes the proper ions needed to replenish the body, as well as increase the osmolality to improve fluid balance. Research in this field currently focuses on the effects of consumption of different rehydration solutions used both preand post-exercise. However, the analysis and comparison of concentrations of ions in different sports rehydration drinks has not been performed by third parties. This experiment focused on comparing the concentrations of chloride, sodium and potassium ions of Gatorade, Powerade, HyVee, All Sport, Propel, Muscle Milk and milk; when possible, we compared fluid versus powdered forms also. Samples from each type of sports drink were diluted and analyzed using EasyLyte Plus(TM), an electrolyte analyzer, examining concentrations of chloride, sodium and potassium ions. Significant differences were found between levels of sodium and potassium of (1) Gatorade Endurance and Gatorade, (2) Gatorade and Propel,(3) milk and all sports drinks, (4) Muscle Milk and all sports drinks. Differences in chloride levels were found in all of the above, except between Gatorade Endurance and Gatorade. No differences in electrolyte concentrations were found between liquid and powder versions of sports drinks. Concentrations of electrolytes differed in some rehydration drinks and could impact ion concentration and resultant fluid balance in athletes and dehydrated individuals. en_US
dc.description.sponsorship Drake University, Department Biology, Neuroscience Program en_US
dc.language.iso en_US en_US
dc.relation.ispartofseries DUCURS 2010;12
dc.subject Water-electrolyte balance (Physiology) en_US
dc.subject Energy drinks en_US
dc.subject Milk en_US
dc.subject Hydration en_US
dc.title Electrolyte (Na+, K+, Cl-) Concentrations in Assorted Sports Drinks and Milk en_US
dc.type Presentation en_US


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  • DUCURS [193]
    Poster sessions and presentation from the Drake University Conference on Undergraduate Research in the Sciences held each April at Olmsted Center on the Drake campus.

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