• English
  • Deutsch
  • Log In
    Password Login
    Research Outputs
    Fundings & Projects
    Researchers
    Institutes
    Statistics
Repository logo
Fraunhofer-Gesellschaft
  1. Home
  2. Fraunhofer-Gesellschaft
  3. Konferenzschrift
  4. Packaging of mushrooms in a humidity-regulating plastic tray for preventing water condensation
 
  • Details
  • Full
Options
2015
Conference Paper
Title

Packaging of mushrooms in a humidity-regulating plastic tray for preventing water condensation

Abstract
Mushrooms are highly transpiring and respiring commodities. The plastic films commonly used for fresh produce have lower water vapour permeability relative to the transpiration rate of mushrooms. Therefore, excessive moisture accumulation occurs inside the package causing condensation. Fluctuations in temperature along the supply chain aggravate the problem further. The objective of the present study was to actively control the headspace relative humidity using hygroscopic salt (NaCl) incorporated directly into the punnet matrix. Humidity regulating trays prepared with an active layer containing 18% (w/w) salt were used to pack mushrooms and the amount of water absorbed/condensed was compared with trays without salt. The headspace relative humidity in the salt containing trays was 92.7% as compared to 100% in control-PP tray. The salt containing tray absorbed 1.1 g of water vapour during first day of packaging and reached its maximum capacity after 8 days (2.2 g). This absorption capacity was far too low for the packaging of 250 g mushrooms which demanded a capacity about 5 to 10 g resulting in excessive condensation inside the humidity regulating tray. In conclusion, the humidity regulating trays have not enough capacity to absorb sufficient amount of water vapour from the package headspace containing mushrooms.
Author(s)
Geyer, M.
Rux, G.
Linke, M.
Mahajan, P.
Sängerlaub, Sven  
Fraunhofer-Institut für Verfahrenstechnik und Verpackung IVV  
Pant, Astrid
Fraunhofer-Institut für Verfahrenstechnik und Verpackung IVV  
Mainwork
Vth International Conference Postharvest Unlimited 2014. Proceedings  
Conference
International Conference Postharvest Unlimited 2014  
Language
English
Fraunhofer-Institut für Verfahrenstechnik und Verpackung IVV  
  • Cookie settings
  • Imprint
  • Privacy policy
  • Api
  • Contact
© 2024