Differences in Chewing Behavior during Mastication of Foods with Different Textures

Megumi Shiozawa, Hiroshige Taniguchi, Hirokazu Hayashi, Kazuhiro Hori, Takanori Tsujimura, Yuki Nakamura, Kayoko Ito, Makoto Inoue

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

The present study was designed to evaluate how typical Japanese staple foods - rice and rice cake - with different physical properties influence the patterns of muscle activity during chewing. Six normal adults were asked to eat rice and rice cake freely in a natural manner. Surface electromyographic recordings of the masseter and suprahyoid muscles were performed. There were large differences between the foods in terms of masticatory duration. The masseter activity per cycle was significantly greater for rice cake than for rice. The masseter activity gradually decreased as chewing progressed, although the suprahyoid activity did not change throughout the sequence of rice cake chewing. The results suggest that the process of bolus formation with rice cake is very different from that with rice in terms of jaw-closing and jaw-opening muscle activities. Practical Applications: This study aimed to examine how the masticatory sequence adapts to variations in the initial properties of foods. This research may enhance our understanding of the oral physiology of bolus formation and changes in the physical properties of foods during chewing.

Original languageEnglish
Pages (from-to)45-55
Number of pages11
JournalJournal of Texture Studies
Volume44
Issue number1
DOIs
Publication statusPublished - 01-02-2013
Externally publishedYes

Fingerprint

rice cakes
Mastication
mastication
texture
Food
rice
jaws
muscles
physical properties
staple foods
Jaw
food quality
mouth
physiology
Activity Cycles
Oryza
Masseter Muscle
Muscles
duration

All Science Journal Classification (ASJC) codes

  • Food Science
  • Pharmaceutical Science

Cite this

Shiozawa, Megumi ; Taniguchi, Hiroshige ; Hayashi, Hirokazu ; Hori, Kazuhiro ; Tsujimura, Takanori ; Nakamura, Yuki ; Ito, Kayoko ; Inoue, Makoto. / Differences in Chewing Behavior during Mastication of Foods with Different Textures. In: Journal of Texture Studies. 2013 ; Vol. 44, No. 1. pp. 45-55.
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Shiozawa, M, Taniguchi, H, Hayashi, H, Hori, K, Tsujimura, T, Nakamura, Y, Ito, K & Inoue, M 2013, 'Differences in Chewing Behavior during Mastication of Foods with Different Textures', Journal of Texture Studies, vol. 44, no. 1, pp. 45-55. https://doi.org/10.1111/j.1745-4603.2012.00364.x

Differences in Chewing Behavior during Mastication of Foods with Different Textures. / Shiozawa, Megumi; Taniguchi, Hiroshige; Hayashi, Hirokazu; Hori, Kazuhiro; Tsujimura, Takanori; Nakamura, Yuki; Ito, Kayoko; Inoue, Makoto.

In: Journal of Texture Studies, Vol. 44, No. 1, 01.02.2013, p. 45-55.

Research output: Contribution to journalArticle

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