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Impact of panelist's age on the ease of swallow and sensory perception of texture-modified broccoli purees
RISE Research Institutes of Sweden, Bioeconomy and Health, Material and Surface Design. Örebro University, Sweden.ORCID iD: 0000-0003-2606-9455
Commonwealth Scientific and Industrial Research Organisation, Australia.
Chalmers University of Technology, Sweden; University of Santiago de Compostela, Spain; Stellenbosch University, South Africa.
RISE Research Institutes of Sweden, Bioeconomy and Health, Agriculture and Food. Stellenbosch University, South Africa.ORCID iD: 0000-0001-5129-9338
2022 (English)In: Journal of sensory studies, ISSN 0887-8250, E-ISSN 1745-459X, Vol. 37, no 6, article id e12781Article in journal (Refereed) Published
Abstract [en]

Swallowing disorders affect approximately 8% of the global population. It is more prevalent in the elderly, leading to malnutrition and dehydration. Different strategies have been investigated to design new texture-modified food products that would reduce or mitigate the suffering from these swallowing disorders. Despite the recent interest and research in this area, there are, however, still a lot of unknowns regarding the specific sensory insights by this targeted group. The aim of this work was to understand if the ease of swallow and related sensory characteristics are perceived differently by “young” and “elderly” healthy individuals. Broccoli purees with different textural properties were created by changing the fluid component (water or xanthan solution) or processing conditions. Samples were evaluated by an elderly panel (n = 19, average age = 68.9 years) and a young panel (n = 16, average age = 25.4 years). Multivariate data analysis strategies were used to understand the intrapanel sample discrimination and to compare between panels. Results showed a similar overall discrimination between samples between young and elderly panels. The use of xanthan improved the ease of swallow in both age groups. In the absence of xanthan gum, processing conditions determined the ease of swallow, which was related to the particle size distribution. Nevertheless, small differences were found between panels. For example, the elderly panel was more sensitive when discriminating samples based on the ease of swallow (p =.005). Therefore, panelist age seems to be relevant when designing tailored foods enhancing the ease of swallow for the elderly populations. Practical Applications: The present study highlights new insights on the relevance of age and sensory capabilities when designing new texture-modified food products. It also provides new insights regarding the key sensory attributes to consider and how these are affected by the type of food processing. © 2022 The Authors.

Place, publisher, year, edition, pages
John Wiley and Sons Inc , 2022. Vol. 37, no 6, article id e12781
Keywords [en]
Food processing, Multivariant analysis, Particle size, Particle size analysis, Product design, Sensory analysis, Sensory perception, Average ages, Fluid components, Global population, Healthy individuals, Multivariate data analysis, Processing condition, Sensory characteristics, Solution conditions, Swallowing disorders, Textural properties, Textures
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Genetics
Identifiers
URN: urn:nbn:se:ri:diva-60068DOI: 10.1111/joss.12781Scopus ID: 2-s2.0-85135441300OAI: oai:DiVA.org:ri-60068DiVA, id: diva2:1692881
Note

Funding details: Svenska Forskningsrådet Formas, 2018‐01346; Funding text 1: This work was supported by the Swedish Research Council Formas (2018‐01346).

Available from: 2022-09-05 Created: 2022-09-05 Last updated: 2023-07-06Bibliographically approved

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Mihnea, MihaelaGarrido Banuelos, Gonzalo

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