Consumption of a smoothie or cereal-based breakfast: impact on thirst, hunger, appetite and subsequent dietary intake

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Myers, Courtney
McCartney, Danielle
Desbrow, Ben
Khalesi, Saman
Irwin, Christopher
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2020
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Abstract

Smoothies are a popular breakfast option. However, liquids may evoke weaker satiation than nutritionally comparable semi-solid and solid foods. This study examined consumption of cereal and milk (CM) or a nutritionally comparable fruit smoothie (FS) for breakfast on subsequent dietary behaviours, in a controlled laboratory setting. Twenty-five participants (age 25 ± 6 y) completed three trials, receiving either CM or FS for breakfast. Afterwards, participants remained isolated for 4 h with ad libitum access to foods/beverages. A repeat trial (CM or FS) allowed exploration of normal variability. Post-breakfast energy intake (EI) (CM = 1465(2436) vs. FS = 1787(3190) kJ, Median (IQR), p = 0.099), time to intake of next food/fluid (meal latency) (CM = 146(97) vs. FS = 180(100) min, p = 0.127), and subjective hunger, desire to eat, fullness and thirst ratings were similar between conditions (p’s > 0.05). The mean coefficient of variation for EI and meal latency were 41% and 21%, respectively. Consumption of a FS does not negatively impact acute EI and meal latency.

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International Journal of Food Sciences and Nutrition
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This is an Author's Accepted Manuscript of an article published in the International Journal of Food Sciences and Nutrition, 18 May 2020, copyright Taylor & Francis, available online at: https://doi.org/10.1080/09637486.2020.1767041
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This publication has been entered in Griffith Research Online as an advanced online version.
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Food sciences
Nutrition and dietetics
Science & Technology
Life Sciences & Biomedicine
Smoothie
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Myers, C; McCartney, D; Ben, D; Khalesi, S; Irwin, C, Consumption of a smoothie or cereal-based breakfast: impact on thirst, hunger, appetite and subsequent dietary intake, International Journal of Food Sciences and Nutrition, 2020
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