Cited by 30Muscle metabolism and nutritionFood composition and propertiesDiet, Metabolism, and Disease

Influence of the glycaemic index of an evening meal on substrate oxidation following breakfast and during exercise the next day in healthy women

Stevenson, E, Williams, C, Nute, M, Humphrey, L, Witard, O·2008·European Journal of Clinical Nutrition

Abstract

Objective To investigate whether the 'overnight second-meal effect' results in altered substrate oxidation during the postprandial period following breakfast and subsequent sub-maximal exercise in women.Subjects/methods Seven recreationally active women were recruited for the study. In each trial, participants were provided with their evening meal on day 1, which was composed of either high glycaemic index (HGI) or low glycaemic index (LGI) carbohydrates (CHO). On day 2, participants were provided with a standard HGI breakfast and then performed a 60 min run at 65% \[V.]O(2 max) 3 h later.Results The incremental area under the curve (IAUC) for plasma glucose concentrations during the postprandial period following breakfast was greater in the HGI trial compared to the LGI trial (P<0.01). Similarly, the IAUC for serum insulin concentrations was greater in the HGI trial than the LGI trial (P<0.05). No differences in plasma free-fatty acids (FFA) or plasma glycerol concentrations were found between trials during the postprandial period. During subsequent exercise, there were no significant differences in substrate metabolism.Conclusion The glycaemic index of an evening meal does not alter substrate oxidation at rest following breakfast or during subsequent submaximal exercise in women. This study provides further evidence for the overnight second-meal effect on glycaemic responses following a LGI mixed evening meal.

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Crossref · 10.1038/sj.ejcn.1602759

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Authors
Stevenson, E., Williams, C., Nute, M., Humphrey, L., & Witard, O.
Affiliations
  • Northumbria University (GB)
  • Loughborough University (GB)
  • Leeds Beckett University (GB)
  • University of Birmingham (GB)
Corresponding author
Stevenson, E
Venue
European Journal of Clinical Nutrition
Published
2007-04-18
Volume
62
Issue
5
Pages
608-616
ISSN
  • 0954-3007 (ISSN-L)
  • 1476-5640
OpenAlex
W2028828568
Cited by
30
References
38
Citations by year
2025: 1 · 2024: 1 · 2022: 1 · 2021: 3 · 2020: 2 · 2017: 3 · 2016: 2 · 2015: 2 · 2013: 3 · 2012: 5
FWCI
0.41
Type
journal article
Language
en
Open access
closed
Locations
  • European Journal of Clinical Nutrition (publishedVersion)
  • PubMed (publishedVersion)
  • Stirling Online Research Repository (University of Stirling) (submittedVersion, public-domain)
  • University of Birmingham Research Portal (University of Birmingham) (submittedVersion)
Funders
Loughborough University
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Muscle metabolism and nutrition
  • Health Sciences › Nursing › Nutrition and Dietetics › Food composition and properties
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diet, Metabolism, and Disease
Keywords
glycemic index, substrate oxidation, postprandial blood glucose, insulin response, submaximal exercise, free fatty acids, glycerol, carbohydrate intake, women
MeSH terms
Adult, Analysis of Variance, Blood Glucose, Dietary Carbohydrates, Dietary Fats, Fatty Acids, Nonesterified, Female, Glycerol, Humans, Insulin, Lactates, Oxidation-Reduction, Oxygen Consumption, Exercise, Cross-Over Studies, Postprandial Period, Area Under Curve, Glycemic Index

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