Antimicrobial pseudolatex zein films with encapsulated carvacrol for sustainable food packaging
Babayev A. Spasojević L. Škrbić J. Bučko S. Kocić-Tanackov S. Bulut S. Fraj J. Petrović L. Milinković Budinčić J. Sharipova A. Aidarova S. Katona J.
June 2023Elsevier Ltd
Food Packaging and Shelf Life
2023#37
Environmental problems caused by food packaging impede the sustainability of packed food. Therefore, efficient and environmentally–friendly solutions need to be urgently implemented. Zein is water–insoluble plant protein which can form biodegradable films that have potential to be used as sustainable food packaging. In this work, zein films (zFc) were prepared from dispersions of zein nanocapsules (zNC) containing carvacrol, using pseudolatex technology. zNC were characterized for zeta potential and size. Influence of carvacrol on zFc water resistance, optical and mechanical properties was tested. Encapsulation efficiency and release curves of carvacrol were determined. Antimicrobial activity of zFc with 20% carvacrol was tested under dynamic conditions. It was shown that continuous zein films can be prepared by coalescence of zNC, using pseudolatex technology. Results showed that tested carvacrol concentrations do not affect zNC and zFc properties. Antimicrobial activity of zFc was found to be sufficient to block the growth of Staphylococcus aureus.
Antimicrobial , Biodegradable films , Pseudolatex , Sustainable packaging , Zein
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Kazakh–British Technical University, Tole bi str. 59, Almaty, 050000, Kazakhstan
University of Novi Sad, Faculty of Technology Novi Sad, Bul. cara Lazara 1, Novi Sad, 21000, Serbia
Satbayev University, 22a Satbayev str., Almaty, 050013, Kazakhstan
Kazakh–British Technical University
University of Novi Sad
Satbayev University
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