Document Detail

Prolonged chewing at lunch decreases later snack intake.
MedLine Citation:
PMID:  23207188     Owner:  NLM     Status:  Publisher    
Prolonged chewing of food can reduce meal intake. However, whether prolonged chewing influences intake at a subsequent eating occasion is unknown. We hypothesised that chewing each mouthful for thirty seconds would reduce afternoon snack intake more than a) an habitual chewing control condition and b) an habitual chewing condition with a pauses in between each mouthful to equate the meal durations. We further hypothesised that this effect may be related to effects of prolonged chewing on lunch memory. 43 participants ate a fixed lunch of sandwiches in the laboratory. They were randomly allocated to one of the three experimental groups according to a between-subjects design. Appetite, mood and lunch enjoyment ratings were taken before and after lunch and before snacking. Snack intake of candies at a taste test 2 hours after lunch was measured as well as rated vividness of lunch memory. Participants in the prolonged chewing group ate significantly fewer candies than participants in the habitual chewing group. Snack intake by the pauses group did not differ from either the prolonged or habitual chewing groups. Participants in the prolonged chewing group were less happy and enjoyed their lunch significantly less than participants in other conditions. Appetite ratings were not different across groups. Rated vividness of lunch memory was negatively correlated with intake but there was no correlation with rated lunch enjoyment. Prolonged chewing of a meal can reduce later snack intake and further investigation of this technique for appetite control is warranted.
Suzanne Higgs; Alison Jones
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-30
Journal Detail:
Title:  Appetite     Volume:  -     ISSN:  1095-8304     ISO Abbreviation:  Appetite     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-12-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8006808     Medline TA:  Appetite     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012. Published by Elsevier Ltd.
School of Psychology, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK. Electronic address:
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