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DIGITAL.CSIC
Doctoral thesis . 2023 . Peer-reviewed
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Influencia de la viscosidad en la liberación del sabor de los alimentos formulados. Aplicación al desarrollo de una formulación de batidos lácteos de bajo contenido calórico

Authors: Yanes, Mario;

Influencia de la viscosidad en la liberación del sabor de los alimentos formulados. Aplicación al desarrollo de una formulación de batidos lácteos de bajo contenido calórico

Abstract

Se estudiaron muestras comerciales de bebidas lácteas con sabor a chocolate y sistemas modelo formulados con leche desnatada, sacarosa, polvo de cacao, Kapa-carragenato y alginato de sodio, con el fin de obtener información básica para proceder a la optimización de una formulación de batido con bajo contenido calórico. Los ensayos preliminares realizados incluyeron: a) la determinación del comportamiento reológico de muestras de batidos comerciales a dos temperaturas, utilizando un viscosímetro rotario, con un sistema sensor de doble ranura, cuyos resultados mostraron que estos productos presentaron un comportamiento reológico diverso y que los datos experimentales se ajustaron más adecuadamente al modelo reológico de Ostwald, para fluidos pseudoplásticos, b) la medida instrumental del color de las mismas muestras, usando un colorimetro Hunter, determinando los parámetros de luminosidad, cromaticidad, tono, componentes rojo-verde y amarillo-azul, asi como los espectros de reflexión, encontrandose diferencias entre las marcas comerciales, especialmente en los parámetros de luminosidad y componente rojo-verde, c) el desarrollo del perfil descriptivo de estas muestras, usando las tecnicas de descripción entrecruzada, perfil de libre elección y procrustes generalizado, con el que se observaron diferencias sensoriales perceptibles entre mustras y que la combinación de las técnicas mencionadas permitió la obtención de una lista de términos descriptivos, útil para su aplicación en el desarrollo del un perfil convencional de batidos, d) el estudio de aceptabilidad de batidos comerciales, analizando los datos tanto de manera general como estratificados por criterios convencionales y por criterios de preferencia, esto último a través de la técnica del MDPREF, cuyos resultados indicaron la preferencia por una muestra en especial.

Tesis doctoral presentada para lograr el título de Doctor por la Universidad de Valencia

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Spain
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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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