Chewing behavior and bolus properties as affected by different rice types

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dc.citation.volume6
dc.contributor.authorMoongngarm A
dc.contributor.authorBronlund JE
dc.contributor.authorGrigg N
dc.contributor.authorSriwai N
dc.contributor.editorWong, ATC
dc.contributor.editorChin, KS
dc.contributor.editorXU, MM
dc.date.available2012
dc.date.issued2012
dc.description.abstractThe study aimed to investigate the effect of rice types on chewing behaviours (chewing time, number of chews, and portion size) and bolus properties (bolus moisture content, solid loss, and particle size distribution (PSD)) in human subjects. Five cooked rice types including brown rice (BR), white rice (WR), parboiled white rice (PR), high amylose white rice (HR) and waxy white rice (WXR) were chewed by six subjects. The chewing behaviours were recorded and the food boluses were collected during mastication. Rice types were found to significantly influence all chewing parameters evaluated. The WXR and BR showed the most pronounced differences compared with other rice types. The initial moisture content of un-chewed WXR was lowest (43.39%) whereas those of other rice types were ranged from 66.86 to 70.33%. The bolus obtained from chewing the WXR contained lowest moisture content (56.43%) whilst its solid loss (22.03%) was not significant different from those of all rice types. In PSD evaluation using Mastersizer S, the diameter of particles measured was ranged between 4 to 3500μm. The particle size of food bolus from BR, HR, and WXR contained much finer particles than those of WR and PR.
dc.description.confidentialfalse
dc.description.publication-statusPublished
dc.format.extent51 - 56 (5)
dc.identifier.citationInternational Journal of Medical and Biological Sciences, 2012, 6 pp. 51 - 56 (5)
dc.identifier.eissn2010-3778
dc.identifier.elements-id190314
dc.identifier.harvestedMassey_Dark
dc.identifier.issn2010-376X
dc.publisherWorld Academy of Science, Engineering and Technology
dc.relation.isPartOfInternational Journal of Medical and Biological Sciences
dc.rightsCreative Commons Attribution CC-BY
dc.subjectChewing Behavior
dc.subjectMastication
dc.subjectRice
dc.subjectRice Types
dc.subjectBolus Proerties
dc.titleChewing behavior and bolus properties as affected by different rice types
dc.typeJournal article
pubs.notesNot known
pubs.organisational-group/Massey University
pubs.organisational-group/Massey University/College of Sciences
pubs.organisational-group/Massey University/College of Sciences/School of Food and Advanced Technology
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