Journal
JOURNAL OF FOOD ENGINEERING
Volume 102, Issue 3, Pages 257-265Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jfoodeng.2010.08.028
Keywords
1 Methylcyclopropene; Apple; Ethylene; Modeling; Diffusion; Adsorption
Categories
Funding
- Institute for the Promotion of Innovation by Science and Technology in Flanders [IWT 050633, IWT 060720]
- Belgian Fruit and Vegetable Auctions SmartFreshSM
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The purpose of this research was to model the kinetics of adsorption of 1 methylcyclopropene (1 MCP) in apple fruit and non-target solid materials found in apple storage rooms The process was described by Fick s second law of diffusion of the gas through the pores of the material coupled with adsorption kinetics of the gas on the material s binding sites A finite element formulation of the model describing the diffusion and adsorption mechanisms separately was first developed The values of the relevant parameters were estimated based on headspace measurements of the decrease of 1 MCP in Jars containing the different materials The headspace concentration of 1-MCP was measured using gas chromatography Apple fruit (Golden Delicious and Jonagold) and the following bin construction materials were investigated high density polyethylene (HDPE) oak poplar wood and card lining The range in the magnitude of the diffusion coefficient adsorption coefficient and concentration of active sites in the various solids was 10 000 8- and 30 fold respectively (C) 2010 Elsevier Ltd All rights reserved
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