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Brunissement interne des pommes Fuji : détection et suivi à l'aide de l'imagerie par résonance magnétique.

Detection and monitoring of internal browning development in 'Fuji' apples using MRI.

Auteurs : GONZALEZ J. J., VALLE R. C., BOBROFF S., et al.

Type d'article : Article

Résumé

Magnetic resonance imaging (MRI) was used to detect and monitor internal browning (IB) in Fuji apples (Malus domestica Borkh). The apples were stored in two different controlled atmosphere (CA) conditions: 3% CO2 at 0 °C and 18% CO2 at 20 °C. Three distinct regions were identified in the MR images of apples with internal browning: normal, light brown and dark brown tissue. Light brown regions were more prominent in apples stored in 3% CO2 at 0 °C. Dark brown regions predominated in apples stored in 18% CO2 at 20 °C. The speed of image acquisition was improved from 5.5 min to 20 s, by reducing the spatial resolution of the images. Both types of IB were detected by images acquired using coarse spatial resolution and correlated well to the IB detected by the images acquired using fine spatial resolution.

Détails

  • Titre original : Detection and monitoring of internal browning development in 'Fuji' apples using MRI.
  • Identifiant de la fiche : 2002-0835
  • Langues : Anglais
  • Source : Postharvest Biol. Technol. - vol. 22 - n. 2
  • Date d'édition : 05/2001

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