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Edmundo Brito-de la Fuente, Nadege Staudinger-Prevost, Lida A. Quinchia, Concepcion Valencia, Pedro Partal, Jose M. Franco, Crispulo Gallegos
Design of a new spoon-thick consistency oral nutrition supplement using rheological similarity with a swallow barium test feed
Appl. Rheol. 22:5 (2012) 53365 (8 pages)
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Control of food or bolus flow properties is part of several strategies to address aspiration pneumonia in dysphagic patients.
An important alternative is the use of prescribed ready-to-use (RTU) oral nutritional supplements (ONS) specially designed
for the nutritional support at different stages of dysphagia. However, it is clear that there are significant differences among
products designed for the same level or stage of dysphagia. On the other hand, videofluoroscopy has become a key technique
for the evaluation of swallowing and, thus, dysphagia. In this study, a new approach for designing RTU ONS products, specifically
spoon-thick consistency products, has been carried out. The scientific approach has been based, first, on the characterization
of the rheological properties of a standard barium-based commercial product used in videofluoroscopy studies and,
then, matching the viscous flow properties of the RTU ONS product accordingly, by taking into consideration both formulation
and process conditions. The results obtained clearly suggest that it is possible to obtain an excellent viscous flow behaviour
similarity of both swallow barium test feed and RTU ONS produced at industrial scale. In this sense, both linear viscoelasticity
properties and non-linear relaxation modulus have to be optimised to obtain the rheological similarity previously mentioned.
► Cite this publication as follows:
Brito-delaFuente E, Staudinger-Prevost N, Quinchia LA, Valencia C, Partal P, Franco JM, Gallegos C: Design of a new spoon-thick consistency oral nutrition supplement using rheological similarity with a swallow barium test feed, Appl. Rheol. 22 (2012) 53365.
J.M. Madiedo, C. Gallegos
Relaxation and Retardation Spectra of Concentrated Emulsions
Appl. Rheol. 7:4 (1997) 161
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► Cite this publication as follows:
Madiedo JM, Gallegos C: Relaxation and Retardation Spectra of Concentrated Emulsions, Appl. Rheol. 7 (1997) 161.
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