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Effects of repeat consumption on pleasantness, preference and intake

Effects of repeat consumption on pleasantness, preference and intake The pleasantness of a food declines with consumption and this phenomenon has been demonstrated reliably in the short-term. To investigate long-term effects of repeat consumption on pleasantness, preference and intake, 21 volunteers consumed either a salty snack (french fries) or sweet snack (chocolate) every day for 15 days. Four dependent variables were measured: pleasantness ratings, ranked preference, frequency of consumption and ad libitum intake. Daily pleasantness of taste ratings decreased across the exposure period only for chocolate. Ranked preference for chocolate declined during the sweet snack condition and increased during the salty snack condition. Preference for french fries remained the same during the salty snack condition and increased during the sweet snack condition. Frequency of consuming chocolate outside the laboratory decreased during the sweet snack exposure. No such pattern was found for french fries in either condition. Ad libitum intake in the laboratory remained the same over time for both foods. Short-term sensory-specific satiety within the eating episode was consistent over time. Therefore, long-term monotony effects were found only for pleasantness, preference and frequency of eating chocolate following repeated exposure, but these changes had no impact on ad libitum intake. Systematic, repeat exposure to a single food provides a useful paradigm for investigating the development of monotony. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png British Food Journal Emerald Publishing

Effects of repeat consumption on pleasantness, preference and intake

Marion M. Hetherington; Ali Bell; Barbara J. Rolls
British Food Journal , Volume 102 (7): 15 – Aug 1, 2000
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References (25)

Publisher
Emerald Publishing
Copyright
Copyright © 2000 MCB UP Ltd. All rights reserved.
ISSN
0007-070X
DOI
10.1108/00070700010336517
Publisher site
See Article on Publisher Site

Abstract

The pleasantness of a food declines with consumption and this phenomenon has been demonstrated reliably in the short-term. To investigate long-term effects of repeat consumption on pleasantness, preference and intake, 21 volunteers consumed either a salty snack (french fries) or sweet snack (chocolate) every day for 15 days. Four dependent variables were measured: pleasantness ratings, ranked preference, frequency of consumption and ad libitum intake. Daily pleasantness of taste ratings decreased across the exposure period only for chocolate. Ranked preference for chocolate declined during the sweet snack condition and increased during the salty snack condition. Preference for french fries remained the same during the salty snack condition and increased during the sweet snack condition. Frequency of consuming chocolate outside the laboratory decreased during the sweet snack exposure. No such pattern was found for french fries in either condition. Ad libitum intake in the laboratory remained the same over time for both foods. Short-term sensory-specific satiety within the eating episode was consistent over time. Therefore, long-term monotony effects were found only for pleasantness, preference and frequency of eating chocolate following repeated exposure, but these changes had no impact on ad libitum intake. Systematic, repeat exposure to a single food provides a useful paradigm for investigating the development of monotony.

Journal

British Food Journal – Emerald Publishing

Published: Aug 1, 2000

Keywords: Taste; Food

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