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Effects of a sweet and a nonsweet lunch on short-term appetite: differences in female high and low consumers of sweet/low-energy beverages

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Abstract Introduction 

Effects of sweet taste on short-term appetite are still being actively researched. This study investigates the proposal that the effects of sweet tastes on appetite may differ as a result of differing habitual experiences of sweetness with or without energy. Methods 

Effects of sweet tastes on appetite were investigated in habitual high and low consumers of sweet/low-energy beverages. Sweet taste was manipulated in a preload lunch and appetite was subsequently measured using test meal intake and subjective ratings of general and specific appetites. Results 

The effects of the sweet and nonsweet lunch on short-term appetite differed significantly in high and low consumers of sweet/low-energy beverages, in subjective ratings of appetite for something sweet [consumer × preload × time interaction F(12,126) = 2.68, P = 0.003] and appetite for something savoury [consumer × preload × time interaction F(12,126) = 3.17, P = 0.001]. Effects in low consumers of sweetness without energy demonstrate close association between taste and energy, whereas effects in high consumers suggest a dissociation between taste and energy in these consumers. Discussion 

These findings provide a further indication that the short-term control of appetite varies according to the habitual pattern of dietary intake. The long-term experience of sweetness without energy influences appetite for sweet and savoury tastes.

Keywords: appetite; subjective ratings; sweetness; test meal intake

Document Type: Research Article


Affiliations: 1: Department of Experimental Psychology, University of Bristol, Bristol, UK 2: Biopsychology Group, Department of Psychology, University of Leeds, Leeds, UK

Publication date: October 1, 2004

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