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Effect of agro-climatic conditions on near infrared spectra of extra virgin olive oils
Sánchez Rodríguez, María Isabel (Universidad de Córdoba. Departamento de Estadística, Econometría)
Sánchez López, Elena M. (Universidad de Córdoba. Departamento de Química Orgánica)
Caridad, José Mª (Universidad de Córdoba. Departamento de Estadística, Econometría)
Marinas, Alberto (Universidad de Córdoba. Departamento de Química Orgánica)
Urbano, Francisco José (Universidad de Córdoba. Departamento de Química Orgánica)

Fecha: 2018
Resumen: Authentication of extra virgin olive oil requires fast and cost-effective analytical procedures, such as near infrared spectroscopy. Multivariate analysis and chemometrics have been successfully applied in several papers to gather qualitative and quantitative information of extra virgin olive oils from near infrared spectra. Moreover, there are many examples in the literature analysing the effect of agro-climatic conditions on food content, in general, and in olive oil components, in particular. But the majority of these studies considered a factor, a non-numerical variable, containing this meteorological information. The present work uses all the agro-climatic data with the aim of highlighting the linear relationships between them and the near infrared spectra. The study begins with a graphical motivation, continues with a bivariate analysis and, finally, applies redundancy analysis to extend and confirm the previous conclusions.
Derechos: Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, i la comunicació pública de l'obra, sempre que no sigui amb finalitats comercials, i sempre que es reconegui l'autoria de l'obra original. No es permet la creació d'obres derivades. Creative Commons
Lengua: Anglès.
Documento: article ; recerca ; publishedVersion
Materia: Extra virgin olive oil ; Infrared spectroscopy ; Agro-climatic data ; Linear correlations ; Redundancy analysis
Publicado en: SORT : statistics and operations research transactions, Vol. 42 Núm. 2 (July-December 2018) , p. 209-236 (Articles) , ISSN 1696-2281

Adreça original: https://www.raco.cat/index.php/SORT/article/view/347339
DOI: 10.2436/20.8080.02.75


28 p, 2.9 MB

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 Registro creado el 2019-01-08, última modificación el 2019-02-14



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