Cited by 71Regulation of Appetite and ObesityFood composition and propertiesConsumer Attitudes and Food Labeling

Postprandial energy expenditure in whole-food and processed-food meals: implications for daily energy expenditure

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Barr, SadieB., Wright, JonathanC.·2010·Food & Nutrition Research

Abstract

BACKGROUND: Empirical evidence has shown that rising obesity rates closely parallel the increased consumption of processed foods (PF) consumption in USA. Differences in postprandial thermogenic responses to a whole-food (WF) meal vs. a PF meal may be a key factor in explaining obesity trends, but currently there is limited research exploring this potential link. OBJECTIVE: The goal was to determine if a particular PF meal has a greater thermodynamic efficiency than a comparable WF meal, thereby conferring a greater net-energy intake. DESIGN: Subjective satiation scores and postprandial energy expenditure were measured for 5-6 h after isoenergetic meals were ingested. The meals were either 'whole' or 'processed' cheese sandwiches; multi-grain bread and cheddar cheese were deemed whole, while white bread and processed cheese product were considered processed. Meals were comparable in terms of protein (15-20%), carbohydrate (40-50%), and fat (33-39%) composition. Subjects were healthy women (n=12) and men (n=5) studied in a crossover design. RESULTS: There were no significant differences in satiety ratings after the two meals. Average energy expenditure for the WF meal (137+/-14.1 kcal, 19.9% of meal energy) was significantly larger than for the PF meal (73.1+/-10.2 kcal, 10.7% of meal energy). CONCLUSION: Ingestion of the particular PF meal tested in this study decreases postprandial energy expenditure by nearly 50% compared with the isoenergetic WF meal. This reduction in daily energy expenditure has potential implications for diets comprised heavily of PFs and their associations with obesity.

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Authors
Barr, S., & Wright, J.
Affiliations
Pomona College (US)
Corresponding author
Wright, JonathanC.
Venue
Food & Nutrition Research
Published
2010-01
Volume
54
Issue
1
Pages
5144
ISSN
  • 1654-661X (ISSN-L)
  • 1654-6628
OpenAlex
W2028530772
Cited by
71
References
35
Citations by year
2026: 6 · 2025: 1 · 2024: 11 · 2023: 2 · 2022: 7 · 2021: 6 · 2020: 4 · 2019: 4 · 2018: 6 · 2017: 7 · 2016: 3 · 2015: 5 · 2014: 2 · 2013: 4 · 2012: 3
FWCI
1.02
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Food & Nutrition Research (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
Pomona College
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Regulation of Appetite and Obesity
  • Health Sciences › Nursing › Nutrition and Dietetics › Food composition and properties
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Consumer Attitudes and Food Labeling
Keywords
postprandial energy expenditure, processed foods, whole foods, thermogenesis, obesity, satiety, net energy intake, dietary lipid level

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