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First come, first served. Does pouring sequence matter for consumption?
Nanette Stroebele-Benschop1, Anastasia Dieze1, Carolin Hilzendegen1
1Institute of Nutritional Medicine, Department of Nutritional Psychology, University of Hohenheim, Fruwirthstr. 12, 70593 Stuttgart, Germany.
Appetite
|July 16, 2016
Summary
The order in which you pour liquids or combine food items significantly impacts portion size. Pouring liquids first, or milk before cereal, leads to larger servings, demonstrating a novel influence of preparation sequence on food intake.
Area of Science:
- Food Science
- Behavioral Science
- Nutritional Psychology
Background:
- Environmental factors, including tableware, influence food choices and intake.
- The impact of preparation sequence on portion control is an understudied area.
Purpose of the Study:
- To investigate if the pouring sequence of food components affects the final portion size.
- To determine the influence of preparation order on the quantity of food consumed.
Main Methods:
- Study 1: Participants poured a beverage of apple juice and sparkling water, with pouring order manipulated.
- Study 2: Participants prepared a snack of cereal and milk, with the order of pouring manipulated.
Main Results:
- Pouring apple juice first increased juice volume by ~25%; pouring water first increased water volume by ~19%.
- Pouring milk before cereal significantly increased both milk and cereal amounts, leading to larger overall portions compared to the reverse order.
Conclusions:
- The sequence of pouring and food preparation demonstrably influences portion size.
- Findings suggest habitual tendencies or perception biases may explain these effects on food intake.
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