Evaluation of dry-cured ham pastiness through rheological measurements of aqueous extracts obtained in vitro mimicking the mastication process
Visualitza/Obre
Autor/a
Coll-Brasas, E.
Laguna, L.
Tárrega, A.
Arnau, J.
Claret, A.
Fulladosa, E.
Data de publicació
2021-03-10ISSN
0023-6438
Resum
Pastiness is a dry-cured ham defect that can be determined by sensory and chemical analysis. Since pastiness produces an increase of saliva viscosity, rheology might be useful to instrumentally evaluate this defect. The aim of this study was to evaluate the rheological behaviour of water extracts obtained in vitro mimicking the mastication of dry-cured ham samples with different pastiness intensities. Commercial samples from different groups (non-pastiness (NPG), medium pastiness (MPG) and high pastiness (HPG) groups) were sensorially and rheologically analysed. Effect of temperatures and HPP treatments at 7 °C, 20 °C and 35 °C were also evaluated. Results showed that apparent viscosity of the water extracts increased with the increase of pastiness and decreased with temperature. Significant differences (p < 0.05) were observed between NPG/MPG and HPG samples and between 25 °C and 37 °C in HPG. After HPP, sensory pastiness disappeared in samples from MPG at any temperature and decreased from 6.8 to 0.2 in samples from HPG only when HPP35 was used. Although the increase on viscosity of oral fluid is related to the sensory pastiness, other factors seem to be involved in the mechanism of pastiness perception. Despite this, HPG samples can be distinguished from MPG and NPG samples.
Tipus de document
Article
Versió del document
Versió acceptada
Llengua
English
Matèries (CDU)
663/664 - Aliments i nutrició. Enologia. Olis. Greixos
Pàgines
28
Publicat per
Elsevier
Publicat a
LWT - Food Science and Technology
Citació
Coll-Brasas, E., L. Laguna, A. Tárrega, J. Arnau, A. Claret, and E. Fulladosa. 2021. "Evaluation Of Dry-Cured Ham Pastiness Through Rheological Measurements Of Aqueous Extracts Obtained In Vitro Mimicking The Mastication Process". LWT 145: 111272. doi:10.1016/j.lwt.2021.111272.
Número de l'acord de la subvenció
INIA/Programa Estatal de promoción del talento y su empleabilidad en I+D+I/RTA2013-00030-C03-03/ES/Caracterización y detección objetiva de defectos de textura en jamón curado mediante tecnologías no destructivas. Desarrollo y evaluación de medidas correctoras/
Programa
Qualitat i Tecnologia Alimentària
Aquest element apareix en la col·lecció o col·leccions següent(s)
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