Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.14365/1289
Title: Characterization of antimicrobial polylactic acid based films
Authors: Erdohan, Zekiye Ozge
Cam, Belgizar
Turhan, Kamile Nazan
Keywords: Olive leaf extract
Polylactic acid
Antimicrobial packaging
Film properties
Olea-Europaea L.
Phenolic-Compounds
Mechanical-Properties
Extraction
Polymer
Optimization
Diffusivity
Oleuropein
Barrier
Nisin
Publisher: Elsevier Sci Ltd
Abstract: Olive leaf extract (OLE) (Olea europaea L.), which has antimicrobial effect on many food pathogens, was incorporated as antimicrobial agent into polylactic acid (PLA) films. Antimicrobial activities of films were tested against Staphylococcus aureus. Increasing amount of the OLE in the film discs from 0.9 mg to 5.4 mg caused a significant increase in inhibitory zones from 9.10 mm to 16.20 mm, respectively. Moreover, incorporation of OLE and/or increasing the amount in the film formulation significantly enhanced the water vapor permeability (WVP). The water solubility and the degradation rates of films increased up to 19.3% and 22.4%, respectively. Thus, OLE incorporated PLA films have a prospectively potential in antimicrobial food packaging to reduce post-process growth of S. aureus with improved properties. (C) 2013 Elsevier Ltd. All rights reserved.
URI: https://doi.org/10.1016/j.jfoodeng.2013.05.043
https://hdl.handle.net/20.500.14365/1289
ISSN: 0260-8774
1873-5770
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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