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Please use this identifier to cite or link to this item: http://hdl.handle.net/10400.5/4065

Título: Desenvolvimento de metodologias analíticas para queijos. Estudo de caso: queijos da Beira Interior
Autor: Moreira, Cláudia Patrícia Martins
Orientador: Martins, Margarida Moldão
Borges, Lígia Maria Batista Calado
Palavras-chave: cheese
analytical methodology
main composition
volatile compounds
sensory analysis
Beira Interior
Issue Date: 2011
Editora: ISA/UTL
Citação: Moreira, Cláudia Patricia Martins - Desenvolvimento de metodologias analíticas para queijos. Estudo de caso: queijos da Beira Interior. Lisboa: ISA, 2011
Resumo: The main objective of the present work is the development of chemical, physical and sensory methodologies in a food safety laboratory. The first step consisted in the selection of the methodologies to be used, in accordance with existing legislation. Subsequently, characteristic cheeses of the Beira Interior region were tested. Accordingly, it was possible to verify the adequacy of the methodology used as well as to make a brief characterisation of the cheeses and to establish the differences between the three brands under analysis. The results obtained have shown that the methods used were appropriate since they feature a high reproducibility, confirmed by the very low standard deviation values observed. Regarding the trade brands analysed, we can conclude that, when compared, they present very different chemical and physical parameters. The sensory analysis and its relationship to the parameters instrumentally obtained have shown the need to perform this type of tests with a panel of trained tasters, in order to obtain consistent associations. The multivariate analysis of the chemical and sensory parameters allows us to conclude that the three brands of cheeses are quite homogeneous among themselves, since they constitute and belong to the same class.
Descrição: Mestrado em Engenharia Alimentar - Qualidade e Segurança Alimentar - Instituto Superior de Agronomia
URI: http://hdl.handle.net/10400.5/4065
Appears in Collections:BISA - Dissertações de Mestrado / Master Thesis

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