Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/2860
Title: Development of cellulose acetate based antimicrobial food packaging materials for controlled release of lysozyme
Authors: Gemili, Seyhun
Yemenicioğlu, Ahmet
Alsoy Altınkaya, Sacide
Gemili, Seyhun
Yemenicioğlu, Ahmet
Alsoy Altınkaya, Sacide
Izmir Institute of Technology. Chemical Engineering
Izmir Institute of Technology. Food Engineering
Keywords: Antimicrobial food packaging
Cellulose acetate
Controlled release
Lysozyme
Release kinetics
Packaging materials
Issue Date: Feb-2009
Publisher: Elsevier Ltd.
Source: Gemili, S., Yemenicioğlu, A. and Alsoy Altınkaya, S. (2009). Development of cellulose acetate based antimicrobial food packaging materials for controlled release of lysozyme. Journal of Food Engineering, 90(4), 453-462. doi:10.1016/j.jfoodeng.2008.07.014
Abstract: Antimicrobial packaging materials were obtained by incorporation of lysozyme into cellulose acetate (CA) films. In order to achieve controlled release of lysozyme, the structure of the films was changed from highly asymmetric and porous to dense by modulating the composition of the initial casting solution. The highest release rate, soluble lysozyme activity and antimicrobial activity were obtained with the film prepared from 5% CA solution including 1.5% lysozyme. Increasing CA content in the casting solution decreased the porosity of the films, hence, reduced the release rate, maximum released lysozyme activities and the antimicrobial activities of the films. In contrast, immobilized lysozyme activities and the tensile strength of the films increased. The incorporation of lysozyme did not cause significant reductions in tensile strength and elongation at break values except in films prepared with 15% CA. This study showed the good potential of asymmetric CA films to achieve controlled release in antimicrobial packaging.
URI: http://dx.doi.org/10.1016/j.jfoodeng.2008.07.014
http://hdl.handle.net/11147/2860
ISSN: 0260-8774
0260-8774
Appears in Collections:Chemical Engineering / Kimya Mühendisliği
Food Engineering / Gıda Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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