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Increasing the number of masticatory cycles reduces food intake in healthy young adults
Author(s) -
ZHU YONG,
HOLLIS JAMES H
Publication year - 2012
Publication title -
the faseb journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.709
H-Index - 277
eISSN - 1530-6860
pISSN - 0892-6638
DOI - 10.1096/fasebj.26.1_supplement.639.7
Subject(s) - mastication , meal , appetite , palatability , overweight , masticatory force , food intake , medicine , wine tasting , obesity , zoology , food science , dentistry , biology , pathology , wine
To investigate if the number of masticatory cycles made during ingestion affects satiation, 47 healthy participants (16 lean, 16 overweight and 15 obese) were recruited for this present study. Pizza rolls were used as the test food and their habitual mastication parameters were measured before they were randomized to a treatment order. Participants were asked to consume the same breakfast and reported to the laboratory for lunch, once a week for three weeks. After baseline appetite measures were made they were asked to eat until they were comfortably full, by chewing each portion of the food at their habitual number of chews, 150% or 200% of their habitual number of chews. Subjective appetite was measured regularly for 60 minutes and upon meal termination. There was no effect of body mass index (BMI) on habitual number of chews, chewing rate and chewing duration. Adjusting for BMI, increased number of masticatory cycles resulted in increased meal duration (P<0.0001) and reduced food intake (P=0.0026). 200% of the habitual number of chews reduced the food intake by 15% (P=0.0007) whereas 150% of the habitual number of chews reduced the food intake by 10% (P=0.0257). The number of chews did not affect hunger, fullness, desire to eat and palatability of the test food. The results suggest increasing the number of chews promotes satiation and could be a strategy for body weight management. Grant Funding Source : Iowa State University