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Influence of the low temperature drying process on optical alternations of organic apple slices

Influence of the low temperature drying process on optical alternations of organic apple slices

Category
Part of a book/report
Abstract
Drying conditions for convective driers are often based on empirical approaches in which the final product quality is evaluated post processing. Modern sensor technology and data processing enable second-by-second quality analyses but conventional systems do not utilize this possibility. An industrial convective drying chamber was modified with a camera system to investigate the product during the drying process. The obtained data was analyzed on color alternation (CIE-L*a*b* color space and Browning Index), shrinkage and deformation. Both, shrinkage and deformation show minor dependence on drying conditons. The investigation shows the time depending optical parameter at different drying conditions. This might offer new "smart" drying programs with focus on improved product quality.
Client
  • Norges forskningsråd / 247220
Language
English
Author(s)
Affiliation
  • SINTEF Energy Research / Termisk energi
  • Norwegian University of Science and Technology
Year
2018
Publisher
Editorial Universitat Politecnica de Valencia
Book
IDS'2018 : 21st International Drying Symposium - Proceedings
ISBN
978-84-9048-688-7