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Cited by 113Muscle metabolism and nutritionThermoregulation and physiological responsesCardiovascular and exercise physiology

Multiple transportable carbohydrates enhance gastric emptying and fluid delivery

Jeukendrup, A. E., Moseley, L.·2010·Scandinavian Journal of Medicine & Science in Sports
DOI 10.1111/j.1600-0838.2008.00862.x
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Abstract

This study compared the effects of ingesting water (WATER), an 8.6% glucose solution (GLU) and an 8.6% glucose+fructose solution (2:1 ratio, GLU+FRU) on gastric emptying (GE), fluid delivery, and markers of hydration status during moderate intensity exercise. Eight male subjects (age=24 ± 2 years, weight=74.5 ± 1.2 kg, VO 2max=62.6 ± 2.5 mL/kg/min) performed three 120 min cycling bouts at 61% VO 2max). Subjects ingested GLU, GLU+FRU (both delivering 1.5 g/min carbohydrate), or WATER throughout exercise, ingesting 2.1 L. Serial dye dilution measurements of GE were made throughout exercise and subjects ingested 5.00 g of D 2 O and 150 mg of 13 C‐acetate at 60 min to obtain measures of fluid uptake and GE, respectively. GLU+FRU resulted in faster rates of deuterium accumulation, an earlier time to peak in the 13 C enrichment of expired air and a faster rate of GE compared with GLU. GLU+FRU also attenuated the rise in heart rate that occurred in GLU and WATER and resulted in lower ratings of perceived exertion. There was a greater loss in body weight with GLU corrected for fluid intake. These data suggest that ingestion of a combined GLU+FRU solution increases GE and “fluid delivery” compared with a glucose only solution.

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Crossref · 10.1111/j.1600-0838.2008.00862.x

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  • Intestinal absorption is the main barrier to delivering carbohydrate to the contracting muscle.

    “It is also known that intestinal absorption is the main barrier to delivering carbohydrate to the contracting muscle [69].”

    From Periodized Nutrition for Athletes (2017) · cites this paper as [69]

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Authors
Jeukendrup, A. E., & Moseley, L.
Affiliations
University of Birmingham (GB)
Corresponding author
Jeukendrup, A. E.
Venue
Scandinavian Journal of Medicine & Science in Sports
Publisher
Wiley
Published
2010-01-19
Volume
20
Issue
1
Pages
112-121
ISSN
  • 0905-7188 (ISSN-L)
  • 1600-0838
DOI
10.1111/j.1600-0838.2008.00862.x
OpenAlex
W1994181664
Cited by
113
References
61
Citations by year
2026: 4 · 2025: 4 · 2024: 5 · 2023: 2 · 2021: 3 · 2020: 8 · 2019: 5 · 2018: 6 · 2017: 9 · 2016: 10 · 2015: 5 · 2014: 17 · 2013: 13 · 2012: 5
FWCI
4.61
Type
journal article
Language
en
Open access
closed
Licence
onlinelibrary.wiley.com/termsAndConditions#vor (vor)
Locations
  • Scandinavian Journal of Medicine and Science in Sports (publishedVersion)
  • PubMed (publishedVersion)
  • University of Birmingham Research Portal (University of Birmingham) (submittedVersion)
Funders
GlaxoSmithKline
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Muscle metabolism and nutrition
  • Health Sciences › Medicine › Physiology › Thermoregulation and physiological responses
  • Health Sciences › Medicine › Complementary and alternative medicine › Cardiovascular and exercise physiology
Keywords
gastric emptying, fluid delivery, glucose, fructose, carbohydrate intake, hydration status, physical activity, moderate-intensity cycling, deuterium dilution, 13C-acetate, heart rate, perceived exertion, weight loss
MeSH terms
Sodium Citrate, Adult, Beverages, Breath Tests, Citrates, Exercise Test, Fructose, Gastric Emptying, Glucose, Humans, Lactates, Male, Oxygen Consumption, Physical Endurance, Water, Weight Loss, Exercise, Young Adult

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