Artículo
Fluorescence excitation–emission matrix spectroscopy as a tool for determining quality of sparkling wines
Autor/es | Elcoroaristizabal, Saioa
Callejón Fernández, Raquel María Amigo, José M. Ocaña González, Juan Antonio Morales Gómez, María Lourdes Úbeda Aguilera, Cristina |
Departamento | Universidad de Sevilla. Departamento de Nutrición y Bromatología, Toxicología y Medicina Legal |
Fecha de publicación | 2016 |
Fecha de depósito | 2024-02-12 |
Publicado en |
|
Resumen | Browning in sparkling wines was assessed by the use of excitation–emission fluorescence spectroscopy combined with PARAllel FACtor analysis (PARAFAC). Four different cava sparkling wines were monitored during an accelerated ... Browning in sparkling wines was assessed by the use of excitation–emission fluorescence spectroscopy combined with PARAllel FACtor analysis (PARAFAC). Four different cava sparkling wines were monitored during an accelerated browning process and subsequently storage. Fluorescence changes observed during the accelerated browning process were monitored and compared with other conventional parameters: absorbance at 420 nm (A420) and the content of 5-hydroxymethyl-2-furfural (5-HMF). A high similarity of the spectral profiles for all sparkling wines analyzed was observed, being explained by a four component PARAFAC model. A high correlation between the third PARAFAC factor (465/530 nm) and the commonly used non-enzymatic browning indicators was observed. The fourth PARAFAC factor (280/380 nm) gives us also information about the browning process following a first order kinetic reaction. Hence, excitation–emission fluorescence spectroscopy, together with PARAFAC, provides a faster alternative for browning monitoring to conventional methods, as well as useful key indicators for quality control. |
Agencias financiadoras | Fondo Nacional de Desarrollo Científico y Tecnológico (FONDECYT). Chile Comisión Nacional de Investigación Científica y Tecnológica (CONICYT). Chile Universidad Autónoma de Chile |
Identificador del proyecto | 11140275 |
Cita | Elcoroaristizabal, S., Callejón Fernández, R.M., Amigo, J.M., Ocaña González, J.A., Morales Gómez, M.L. y Úbeda Aguilera, C. (2016). Fluorescence excitation–emission matrix spectroscopy as a tool for determining quality of sparkling wines. Food Chemistry, 206, 284-290. https://doi.org/10.1016/j.foodchem.2016.03.037. |
Ficheros | Tamaño | Formato | Ver | Descripción |
---|---|---|---|---|
10.1016_j.foodchem.2016.03.037.pdf | 948.2Kb | [PDF] | Ver/ | Versión aceptada |