Journal of Food, Agriculture and Environment

Dependence of individual primary package atmosphere on retail display temperature and micro-perforations in a master packaging system for chestnuts

Author(s):

Hwan Ki Kim ¹, Duck Soon An ¹, Seung Ju Lee ², Dong Sun Lee ¹*

Recieved Date: 2012-07-08, Accepted Date: 2012-09-22

Abstract:

Master packaging systems consisting of inner individual packages contained in  an outer liner bag have previously been reported to contribute to the maintenance of a beneficial modified atmosphere (MA) through presale chilled storage and later retail display at higher temperatures. In the produce supply chain, the secondary package with double layers of gas barrier is dismantled at transit from presale storage to retail condition providing higher gas permeation to match the increased respiration and achieve the desired MA under the changed temperature conditions. The gas composition around the produce at retail condition is very important to affect the quality preservation and depends on the temperature and gas permeation properties of package. A simple prediction model was developed as a tool to attain an optimal MA as a function of retail display temperature and/or micro- perforation number for a master packaging system which contained 10 individual micro-perforated packages of 500 g chestnuts each. Micro- perforation number was found to be an effective design variable for controlling the package atmosphere around the chestnuts and able to be optimised according to the retail temperature. In another independent storage trial of practical application, a set of 5 micro-perforations on an individual package could maintain a beneficial MA during chilled storage at 0°C and a retail temperature of 15°C after separated removal of individual packages from the master outer liner bag. This finding matched the estimation of the developed model. The developed model relating package atmosphere to micro- perforation number and temperature condition can be a useful tool for the design of a chestnut supply chain with optimal MA packaging conditions. 

Keywords:

Master packaging, retail display, temperature, package atmosphere, micro-perforation

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Journal: Journal of Food, Agriculture and Environment
Year: 2012
Volume: 10
Issue: 3&4
Category: Food and Health
Pages: 168-172

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