Development of Multi-layer Films Containing Natural Antimicrobial Agents

2009 647 1314 6 26637 document 1314 PhD_Thesis_-_Chanun_Rardniyom.pdf application/pdf 3068340 2011-09-09 10:22:52 https://vuir.vu.edu.au/2009/1/PhD_Thesis_-_Chanun_Rardniyom.pdf 2009 1 application/pdf text en public

PhD_Thesis_-_Chanun_Rardniyom.pdf

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http://eprints.org/relation/isVersionOf https://vuir.vu.edu.au/id/dark_document/76069 http://eprints.org/relation/isVolatileVersionOf https://vuir.vu.edu.au/id/dark_document/76069 http://eprints.org/relation/issmallThumbnailVersionOf https://vuir.vu.edu.au/id/dark_document/76069 archive 116 disk0/00/00/20/09 2009-03-26 14:55:48 2021-08-27 07:42:36 2009-03-26 14:55:48 thesis show Rardniyom Chanun Rardniyom, Chanun Development of Multi-layer Films Containing Natural Antimicrobial Agents unpub 290000 tafeengineering multi-layer packaging films, natural antimicrobial (AM) agents, food packaging In this research, multi-layer packaging films comprising an inner coating layer containing natural antimicrobial (AM) agents were developed. Volatile essential oils obtained from plant extracts including carvacrol, linalool and methylchavicol were used as the active AM agents in the coating layer. The amount of natural AM agents and the composition of the coating system required to provide the optimum AM effect in food media and on Cheddar cheese was explored. The stability of the AM coatings in various food simulants was also explored. In the film preparation, the AM coatings were embedded between low-density polyethylene (LDPE) layers to construct multilayer AM films. Investigation of the retention and subsequent release of the AM agent from multi-layer films suggested that a coating layer consisting of ethylacrylatemethylmethacrylate performs satisfactorily as the carrier for the AM agent. Furthermore, LDPE is able to successfully control the release of the AM agent into food simulants. The controlling layer thickness, AM layer thickness and the solubility of AM agent are critical factors affecting the overall effectiveness of the multi-layer AM film. At subambient temperatures, the multi-layer AM films successfully inhibited the growth of E. coli in liquid food media and on Cheddar cheese. 2009 submitted 76069 2 2420954 dark_document 76069 Rardniyom, Chanun.pdf application/pdf 78f2ebd02c16acc00f4b2a8ebbff6d06 MD5 46106 2020-11-30 00:32:31 2009 3 3 application/pdf text VURR permission form en staffonly

Rardniyom, Chanun.pdf

other public 162 Victoria University School of Engineering and Science phd Includes bibliographical references: pp.103-109 FALSE