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Effect of Overlaid White Charcoal Board on the Ethylene Gas Adsorption and Preservation Life of Strawberry  

Lee, Hwa-Hyoung (Department of Forest Products, Chungnam National University)
Cho, Youn-Mean (Department of Forest Products, Chungnam National University)
Park, Han-Sang (Department of Forest Products, Chungnam National University)
Publication Information
Journal of the Korean Wood Science and Technology / v.32, no.5, 2004 , pp. 86-92 More about this Journal
Abstract
This research was carried out to examine the ethylene gas adsorption and preservation life of white charcoal boards for packaging. Two types of white charcoal board were made of #40-60 charcoal particles and mixed charcoal particles with PVA and MDI resin by wet process. For not only beauty effect but also avoiding stain from touching, white charcoal boards were overlaid with two kinds of overlay material, thin printed paper and non woven fabric. A charcoal board adsorbed ethylene gas much more than the paper and even white charcoal itself. There was no difference between two board types, between overlay treatments, and between overlay materials. Gray mold growth of strawberry arised after 2 days in a paper box and after 4 days in a white charcoal board. Preservation life of white charcoal board box was approximately twice more than that. of a paper box. There was no difference in the ability of keeping freshness between two board types, between overlay treatments, and between overlay materials.
Keywords
white charcoal board; ethylene gas adsorption; preservation life; packaging;
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