The Effect of Polylactic Acid Packaging Modified with Clay Nanoparticles on Quality and Shelf life of Mushroom

Document Type: Research Paper

Authors

1 M.Sc. Student of the Department of Food Science and Technology, Shahr-e-Qods Branch, Islamic Azad University, Tehran, Iran.

2 Associate Professor of the Department of Chemical Engineering, Shahr-e-Qods Branch, Islamic Azad University, Tehran, Iran.

3 Assistant Professor of the Department of Food Science and Technology, Shahr-e-Qods Branch, Islamic Azad University, Tehran, Iran.

Abstract

One of the newest technologies for storing agricultural products is the biodegradable packaging
method, in which certain materials are utilized on a nano scale. Edible mushroom is a nutritious agricultural
product which can be considered a food source as well as having medicinal applications while having a short
shelf life after harvesting. In this study, the mushroom was packaged in polylactic acid packages containing
nanoparticles of clay and the effect of the packaging on the quality characteristics and shelf life of mushroom
were determined. Aiming at determining the most optimal conditions for the packaging of the mushroom, the
effects of the weight percent of nano clay (0, 3 and 6 wt%), time of storage (4, 8 and 12 day), and three different
temperatures (4, 14, and 24 0C) on the quality characteristics and the shelf life of mushroom have been
investigated. Different regression models were adopted to correlate the empirical results of dependent variables,
and through statistical analyses the most reliable regression model was selected.

Keywords


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