Switching between bites of food and sips of water is related to food intake across meals varying in portion size

Individuals eat more when served more food, but little is known about how this portion size effect is moderated by meal-related characteristics, particularly the inclusion of water served as a beverage. Patterns of eating and drinking as well as consumption of water could affect satiation by modifying exposure to the sensory qualities of food. In a crossover design, 44 adults ate lunch in the laboratory once a week for 4 weeks and intake was measured. The meal was a pasta dish that was varied in portion size (400, 500, 600, or 700 g) plus 700 g of water. Meals were video-recorded to count bites and sips and the number of switches between them. Sensory-specific satiety (SSS) was evaluated as the relative decline in hedonic ratings of the pasta after consumption. Serving larger portions led to a curvilinear increase in food intake (p < 0.0001). Neither switching between bites and sips nor water intake moderated the portion size effect. Independent of portion served, across all meals switching more frequently was related to greater food consumption (5.7 ± 1.8 g more food consumed for each additional switch, p = 0.004). Greater water intake was also related to greater food intake across portions (1.1 ± 0.5 g more food consumed for each additional 10 g of water, p = 0.025), but this effect was not significant after accounting for switching (p = 0.38). The magnitude of SSS was unaffected by switching, suggesting that switching allowed greater food intake for a given hedonic decline. At a meal with a single food, intake was greater when larger portions were served and also when there was more switching between bites and sips. Switching between food and water may promote energy intake by attenuating the development of SSS.

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Work Title Switching between bites of food and sips of water is related to food intake across meals varying in portion size
Access
Open Access
Creators
  1. Paige M. Cunningham
  2. Liane S. Roe
  3. Kathleen L. Keller
  4. Barbara J. Rolls
Keyword
  1. Portion size
  2. Food intake
  3. Switching
  4. Drinking
  5. Sensory-specific satiety
  6. Sensory exposure
License CC BY-NC-ND 4.0 (Attribution-NonCommercial-NoDerivatives)
Work Type Article
Publisher
  1. Appetite
Publication Date December 29, 2022
Publisher Identifier (DOI)
  1. https://doi.org/10.1016/j.appet.2022.106443
Deposited January 22, 2024

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Version 1
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  • Created
  • Added 2022_PSxS_paper_2_switching_-_text_+_figure_+_suppl_fig1-3-1.pdf
  • Added Creator Paige M Cunningham
  • Added Creator Liane S. Roe
  • Added Creator Kathleen Loralee Keller
  • Added Creator Barbara J Rolls
  • Published
  • Updated Keyword, Publication Date Show Changes
    Keyword
    • Portion size, Food intake , Switching, Drinking, Sensory-specific satiety, Sensory exposure
    Publication Date
    • 2022-12-26
    • 2022-12-29
  • Renamed Creator Paige M. Cunningham Show Changes
    • Paige M Cunningham
    • Paige M. Cunningham
  • Renamed Creator Kathleen L. Keller Show Changes
    • Kathleen Loralee Keller
    • Kathleen L. Keller
  • Renamed Creator Barbara J. Rolls Show Changes
    • Barbara J Rolls
    • Barbara J. Rolls
  • Updated