Bolus rheology and ease of swallowing of particulated semi-solid foods as evaluated by an elderly panel

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Bolus rheology and ease of swallowing of particulated semi-solid foods as evaluated by an elderly panel

Ben Tobin, Aarti (author): Agriculture and Food, CSIRO Commonwealth Scientific and Industrial Research Organisation, Brisbane, Australia,Commonwealth Scientific and Industrial Research Organisation (CSIRO)

Mihnea, Mihaela, 1983- (author): RISE,Material- och ytdesign,Agriculture and Food, Bioeconomy and Health, RISE Research Institutes of Sweden, Gothenburg, Sweden,RISE Research Institutes of Sweden

Hildenbrand, Marie (author): RISE,Agriculture and Food, Bioeconomy and Health, RISE Research Institutes of Sweden, Gothenburg, Sweden,RISE Research Institutes of Sweden

Miljkovic, Ana (author): RISE,Jordbruk och livsmedel,Agriculture and Food, Bioeconomy and Health, RISE Research Institutes of Sweden, Gothenburg, Sweden,RISE Research Institutes of Sweden

Garrido Banuelos, Gonzalo (author): RISE,Jordbruk och livsmedel,Agriculture and Food, Bioeconomy and Health, RISE Research Institutes of Sweden, Gothenburg, Sweden,RISE Research Institutes of Sweden

Xanthakis, Epameinondas (author): RISE,Jordbruk och livsmedel,Agriculture and Food, Bioeconomy and Health, RISE Research Institutes of Sweden, Gothenburg, Sweden,RISE Research Institutes of Sweden

Lopez-Sanchez, Patricia, 1977 (author): RISE,Jordbruk och livsmedel,Agriculture and Food, Bioeconomy and Health, RISE Research Institutes of Sweden, Gothenburg, Sweden; Food Nutrition and Science, Chalmers University of Technology, Gothenburg, Sweden,Chalmers tekniska högskola,Chalmers University of Technology,RISE Research Institutes of Sweden

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(creator_code:org_t)

2020
2020
English.
In: Food & Function. - : Royal Society of Chemistry. - 2042-6496 .- 2042-650X. ; 11:10, s. 8648-8658

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Journal article (peer-reviewed)

Abstract Subject headings

Preparation of a bolus is a complex process with both food comminution and degree of lubrication with saliva playing an important role in a safe swallow. Swallowing disorders i.e. dysphagia, are especially present among the elderly population and often lead to choking and further health complications. The aim of this research was to investigate the relationship between the perception of ease of swallowing in the elderly and the rheological parameters of particulated foods, using broccoli purees as a model system. Particulated foods can be described as a concentrated dispersion of plant particles in a fluid phase. The effect of the fluid phase (Newtonian vs. shear thinning) and dispersed phase (plant particles with different size distribution and morphology) on the rheological properties of simulated boli was studied by characterising shear viscosity, viscoelasticity, yield stress, extensional viscosity and cohesiveness. Ease of swallowing and mouthfeel were evaluated by a semi trained healthy elderly panel (n = 19, aged 61 to 81). Ease of swallowing was correlated with the presence of yield stress and extensional viscosity in the bolus, characteristic of boli with xanthan gum as the fluid phase. Although the properties of the fluid phase played a dominant role in the ease of swallowing, compared to the dispersed phase, both components played a role in the rheological properties of the bolus and the perception of ease of swallowing by the elderly panel. These results provide insights into the design of personalised foods for populations with specific needs such as those suffering from swallowing disorders.

Subject headings

LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Livsmedelsvetenskap (hsv//swe)
AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Food Science (hsv//eng)
TEKNIK OCH TEKNOLOGIER -- Annan teknik -- Livsmedelsteknik (hsv//swe)
ENGINEERING AND TECHNOLOGY -- Other Engineering and Technologies -- Food Engineering (hsv//eng)
NATURVETENSKAP -- Kemi -- Annan kemi (hsv//swe)
NATURAL SCIENCES -- Chemical Sciences -- Other Chemistry Topics (hsv//eng)
TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Annan materialteknik (hsv//swe)
ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Other Materials Engineering (hsv//eng)

Keyword

Rheology
Shear thinning
Complex Processes
Degree of lubrication
Elderly populations
Extensional viscosity
Health complications
Rheological parameter
Rheological property
Swallowing disorders
Yield stress
Måltidskunskap

Publication and Content Type

ref (subject category)
art (subject category)

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By the author/editor: Ben Tobin, Aarti; Mihnea, Mihaela, ...; Hildenbrand, Mar ...; Miljkovic, Ana; Garrido Banuelos ...; Xanthakis, Epame ...; show more...; Lopez-Sanchez, P ...; show less...

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AGRICULTURAL SCIENCES: AGRICULTURAL SCI ...; and Agriculture Fore ...; and Food Science

ENGINEERING AND TECHNOLOGY: ENGINEERING AND ...; and Other Engineerin ...; and Food Engineering

NATURAL SCIENCES: NATURAL SCIENCES; and Chemical Science ...; and Other Chemistry ...

ENGINEERING AND TECHNOLOGY: ENGINEERING AND ...; and Materials Engine ...; and Other Materials ...

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By the university: RISE; Örebro University; Chalmers University of Technology

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