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Text
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URL Address
<a href="http://doi.org/10.1111/jtxs.12051" target="_blank" rel="noreferrer noopener">http://doi.org/10.1111/jtxs.12051</a>
Rights
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Pages
47-61
Issue
1
Volume
45
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Title
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Adaptation Of Oral Processing To The Fracture Properties Of Soft Solids
Publisher
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Journal of Texture Studies
Date
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2014
2014-02
Subject
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bolus size; chewing behavior; elastic model foods; electromyography; electromyography; Food Science & Technology; fracture properties; gel texture; gels; hardness; human mastication; jaw movement; jaw tracking; muscle-activity; oral; processing; rheology; sensory; texture
Creator
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Koc H; Cakir E; Vinyard C J; Essick G; Daubert C R; Drake M A; Osborne J; Foegeding E A
Description
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Hardness and rubberiness are distinct textural properties that are associated with extended oral processing times and therefore of interest to designing food structure for specific textural properties. Model food gels were developed with (1) increasing strength/hardness and constant deformability or (2) increasing deformability/rubberiness within a limited range of strength. Gel structures were characterized based on mechanical properties and the muscle activity (electromyography) and mandibular movements (three-dimensional jaw tracking) required for oral processing. Increased strength or deformability required more chewing cycles and increased muscle activity to breakdown samples for swallowing. In contrast, jaw movement amplitude increased in all directions with increased strength and remained constant or decreased with increased deformability. Specific mechanical properties that were correlated with oral processing parameters changed as chewing progressed, possibly reflecting a change in dominate mechanical properties and sensory perception during oral processing. Practical ApplicationsA fundamental understanding of how food structure determines sensory texture is essential to designing foods that are healthy and desirable to consumers. Oral processing, from first bite through swallowing, is the main physiological element of texture evaluation. Model soft solid foods with increasing strength/hardness or deformability/rubberiness were developed and characterized by mechanical tests and oral processing. Mastication of harder or more deformable structures required different chewing movements in bolus preparation. The specific mechanical properties relating to oral processing may change during the chewing sequence.
Identifier
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<a href="http://doi.org/10.1111/jtxs.12051" target="_blank" rel="noreferrer noopener">10.1111/jtxs.12051</a>
Format
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Journal Article or Conference Abstract Publication
2014
bolus size
Cakir E
chewing behavior
Daubert C R
Drake M A
elastic model foods
Electromyography
Essick G
Foegeding E A
Food Science & Technology
fracture properties
gel texture
Gels
hardness
human mastication
jaw movement
jaw tracking
Journal Article or Conference Abstract Publication
Journal of Texture Studies
Koc H
muscle-activity
Oral
Osborne J
processing
Rheology
Sensory
texture
Vinyard C J