Journal of Food, Agriculture and Environment

Modified atmosphere storage of banana (Musa acuminata) using diffusion channel and mathematical modelling of steady-state oxygen concentration within the package

Author(s):

Arulselvam Karthiayani ¹*, Nachimuthu Varadharaju ², Madasamy Siddharth ³

Recieved Date: 2014-04-22, Accepted Date: 2014-09-04

Abstract:

Banana (Musa acuminata), variety Poovan (Group AB) fruits of commercial maturity were stored inside the air-tight container under modified atmosphere conditions using diffusion channels. The gaseous exchange was made through the glass channels called as diffusion channels of different geometries viz., length 5, 10, 15 and 20 cm and inner diameter  3, 5 and 7 mm. The fruits were packed with rated quantities of moisture and ethylene absorbents and the containers were stored at three different temperatures (RT-Room temperature, 24°C and 14°C). Gas samples were drawn from the container and was analysed for oxygen concentration for every 24 h up to a period of 20, 30 and 40 days for RT, 24°C and 14°C storage, respectively. Oxygen concentration was noted for the storage containers with different dimensions of diffusion channel and storage temperature. A mathematical model was developed using non-linear multiple regression to fit the observed data. The developed model was found to be useful in determining the length of the diffusion channel for the required steady-state oxygen concentration for banana. The shelf life of banana can be increased to three to four folds by adopting diffusion channel technique compared to control fruits at all the respective storage temperatures.

Keywords:

Modified atmosphere storage, diffusion channel, banana, modelling, oxygen

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Journal: Journal of Food, Agriculture and Environment
Year: 2014
Volume: 12
Issue: 3&4
Category: Food and Health
Pages: 19-23

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