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Effect of thermal treatment and storage conditions on physical and sensory properties of grapefruit juice

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Effect of thermal treatment and storage conditions on physical and sensory properties of grapefruit juice

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dc.contributor.author Igual Ramo, Marta es_ES
dc.contributor.author Contreras Monzón, Carolina Ivonne es_ES
dc.contributor.author Camacho Vidal, Mª Mar es_ES
dc.contributor.author Martínez Navarrete, Nuria es_ES
dc.date.accessioned 2015-11-24T08:25:29Z
dc.date.available 2015-11-24T08:25:29Z
dc.date.issued 2014-01
dc.identifier.issn 1935-5130
dc.identifier.uri http://hdl.handle.net/10251/57966
dc.description.abstract Physical parameters, such as particle size distribution, flow behavior, density, turbidity, and color, were measured and sensory evaluation was carried out to compare the properties of freshly squeezed grapefruit juice with those of juice that has been pasteurized by microwave or by following a conventional heating method. Samples were either frozen-stored or refrigerated. In general, the physical parameters of grapefruit juice were significantly affected by heat treatment, especially in the case of the conventional process. However, from a sensory point of view, pasteurized samples were similar to fresh ones. When frozen, turbidity, particle size distribution, density, flow behavior, and color were stable throughout the studied period, regardless of the pasteurization treatment. During refrigerated storage, the turbidity, particle size distribution, and consistency index decrease. This occurs in a more pronounced way in the case of juice which has not been submitted to a heating treatment, probably due to residual pectin methyl esterase activity. Furthermore, the association between the carboxyl groups of pectin chains and Ca2+ could be responsible for both the subsequent increase in the turbidity of the juice and also the decrease in its density. Throughout the period under study, the smallest color change was experienced by microwave-pasteurized juice. For these reasons, and also due to the reduction in the process time, microwave treatment can be recommended as a method for the pasteurization of grapefruit juice. es_ES
dc.language Inglés es_ES
dc.publisher Springer Verlag (Germany) es_ES
dc.relation.ispartof Food and Bioprocess Technology es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Grapefruit es_ES
dc.subject Juice es_ES
dc.subject Pasteurization es_ES
dc.subject Microwave es_ES
dc.subject Turbidity es_ES
dc.subject Rheology es_ES
dc.subject Color es_ES
dc.subject Sensory evaluation es_ES
dc.subject.classification TECNOLOGIA DE ALIMENTOS es_ES
dc.title Effect of thermal treatment and storage conditions on physical and sensory properties of grapefruit juice es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1007/s11947-013-1088-6
dc.rights.accessRights Cerrado es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Tecnología de Alimentos - Departament de Tecnologia d'Aliments es_ES
dc.description.bibliographicCitation Igual Ramo, M.; Contreras Monzón, CI.; Camacho Vidal, MM.; Martínez Navarrete, N. (2014). Effect of thermal treatment and storage conditions on physical and sensory properties of grapefruit juice. Food and Bioprocess Technology. 7(1):191-203. doi:10.1007/s11947-013-1088-6 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1007/s11947-013-1088-6 es_ES
dc.description.upvformatpinicio 191 es_ES
dc.description.upvformatpfin 203 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 7 es_ES
dc.description.issue 1 es_ES
dc.relation.senia 258572 es_ES
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