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Article Dans Une Revue Food Research International Année : 2018

Bolus quality and food comfortability of model cheeses for the elderly as influenced by their texture

Résumé

The aim of this study was to examine the influence of the texture of dairy products on bolus properties and food comfortability as perceived by elderly persons. Four cheese models identical in terms of their nutritional composition but different by the type of texture (Soft, Hard, Processed and Whipped) were developed to resemble market cheese. Study was performed with a panel of 38 elderly persons without dental impairment but with variable rate of saliva flow. The time of chewing required to form the bolus was measured. The rheological properties of the bolus obtained were studied as well as the quantity of saliva incorporated. Food comfortability was assessed by means of a questionnaire asking about in-mouth comfort, bolus formation, pain, and perceived texture and flavor. Results showed that food comfortability was positively correlated to the ease of forming the bolus which depended on the food texture. Thus, the bolus formed with the Whipped product which required more saliva, was harder than the other three products and so judged the least comfortable. This product was characterized by a dry and sticky texture. On the other hand, the Soft and Processed products led to a softer food bolus that was more easily formed, and thus were judged as more comfortable. Their textures were perceived as soft, fatty and melting. This work highlights the importance of considering food bolus formation and related properties when looking for the link between food product characteristics and the enjoyment of eating in the case of the elderly population.
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Dates et versions

hal-02044447 , version 1 (21-02-2019)

Licence

Paternité - Pas d'utilisation commerciale - Pas de modification

Identifiants

Citer

L. Lorieau, C. Septier, A. Laguerre, L. Le Roux, E. Hazart, et al.. Bolus quality and food comfortability of model cheeses for the elderly as influenced by their texture. Food Research International, 2018, 111, pp.31-38. ⟨10.1016/j.foodres.2018.05.013⟩. ⟨hal-02044447⟩
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