1H HR MAS NMR metabolomic and non-destructive 2D NMR relaxometry to assess internal quality in apples.

Melado Herreros, Angela; Barreiro Elorza, Pilar; Villa Valverde, Palmira; Fernandez Valle, M. Encarnacion y Humpfer, Eberhard (2013). 1H HR MAS NMR metabolomic and non-destructive 2D NMR relaxometry to assess internal quality in apples.. En: "InsideFood Symposium.", 09/04/2013 - 12/04/2013, Leuven, Bélgica.

Descripción

Título: 1H HR MAS NMR metabolomic and non-destructive 2D NMR relaxometry to assess internal quality in apples.
Autor/es:
  • Melado Herreros, Angela
  • Barreiro Elorza, Pilar
  • Villa Valverde, Palmira
  • Fernandez Valle, M. Encarnacion
  • Humpfer, Eberhard
Tipo de Documento: Ponencia en Congreso o Jornada (Artículo)
Título del Evento: InsideFood Symposium.
Fechas del Evento: 09/04/2013 - 12/04/2013
Lugar del Evento: Leuven, Bélgica
Título del Libro: InsideFood Symposium. Book of Proceedings
Fecha: 2013
Materias:
Escuela: E.T.S.I. Agrónomos (UPM) [antigua denominación]
Departamento: Ingeniería Rural [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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URL Oficial: http://www.insidefood.eu/Symposium.awp

Resumen

NMR can be considered a multi-scale multidimensional technology in the sense that it provides both spatial insight at macroscopic (MRI) or microscopic level (relaxometry), together with chemical characterization (HR-MAS). In this study 296 apples (from 4 cultivars) were MRI screened (20 slices per fruit) among which 7 fruits were used for metabolomic study by 1H HR MAS in order to assess various chemical shifts: malic acid, sucrose, glucose, fructose and ethanol. On the first season, tissue samples were taken from the sound and affected apples (near the core, centre and outer part of the mesocarp) belonging to sound and affected locations, while on the second season, tissue samples were focused on the comparison between sound and affected tissue. Beside, MRI and 2D non-destructive relaxometry (on whole fruits, and localized tissue) where performed on 72 and 12 apples respectively in order to compare features at macroscopic (tissue) and microscopic (subcellular) level. HR MAS shows higher content of ?-glucose, ?-glucose, malic acid and aromatic compounds in watercore affected tissues from both seasons, while sound tissue reflects higher sucrose. Microscopic (subcellular) degradation of tissue varies according to disorder development and is in good accordance with macroscopic characterization with MRI.

Más información

ID de Registro: 30252
Identificador DC: http://oa.upm.es/30252/
Identificador OAI: oai:oa.upm.es:30252
Depositado por: Memoria Investigacion
Depositado el: 03 Jul 2014 16:48
Ultima Modificación: 22 Abr 2016 00:30
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