Modeling of Gas Exchange in Modified Atmosphere Packaging with Perforated Film

doi:10.7506/spkx1002-6300-201004061

FOOD SCIENCE ›› 2010, Vol. 31 ›› Issue (4): 257-259.doi: 10.7506/spkx1002-6300-201004061

• Packaging & Storage • Previous Articles Next Articles

Modeling of Gas Exchange in Modified Atmosphere Packaging with Perforated Film

LI Fang1，LU Li-xin1,2,*

1. Department of Packaging Engineering, Mechanical Engineering Institute, Jiangnan University, Wuxi 214122, China；
2. Key Laboratory of Food Packaging Techniques and Safety, China National Packaging Corporation, Wuxi 214122, China

Received:2009-04-21 Online:2010-02-15 Published:2010-12-29
Contact: LU Li-xin E-mail:lulx@jiangnan.edu.cn

Abstract

Abstract:

According to the basic theory of gas mass transfer, a mathematical model based on Fick’s law for gas exchanges in modified atmosphere packaging (MAP) with perforated film was developed. The effects of different perforation parameters on the change of gas concentration inside an empty package were analyzed. In addition, the developed model was validated. Results showed that perforation diameter and number had significant effects on the change of gas concentration, while no significant effect of film thickness on the change of gas concentration was seen. High agreement between predicted and experimental values demonstrates a good reliability of this model in predicting the change of gas concentration.

Key words: perforated film, modified atmosphere packaging, gas exchange, model

CLC Number:

LI Fang1，LU Li-xin1,2,*. Modeling of Gas Exchange in Modified Atmosphere Packaging with Perforated Film[J]. FOOD SCIENCE, 2010, 31(4): 257-259.

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Modeling of Gas Exchange in Modified Atmosphere Packaging with Perforated Film

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