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Antimicrobial activity of TiO2 nanoparticle-coated film for potential food packaging applications

Recent uses of titanium dioxide (TiO2) have involved various applications which include the food industry. This study aims to develop TiO2 nanoparticle-coated film for potential food packaging applications due to the photocatalytic antimicrobial property of TiO2. The TiO2 nanoparticles with varying...

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Main Authors: Othman, Siti Hajar, Abd Salam, Nurul Raudhah, Zainal, Norhazlizam, Kadir Basha, Roseliza, A. Talib, Rosnita
Format: Article
Published: Hindawi Publishing Corporation 2014
Online Access:http://psasir.upm.edu.my/id/eprint/36480/
http://www.hindawi.com/journals/ijp/2014/945930/
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spelling my.upm.eprints.364802015-05-30T15:38:11Z http://psasir.upm.edu.my/id/eprint/36480/ Antimicrobial activity of TiO2 nanoparticle-coated film for potential food packaging applications Othman, Siti Hajar Abd Salam, Nurul Raudhah Zainal, Norhazlizam Kadir Basha, Roseliza A. Talib, Rosnita Recent uses of titanium dioxide (TiO2) have involved various applications which include the food industry. This study aims to develop TiO2 nanoparticle-coated film for potential food packaging applications due to the photocatalytic antimicrobial property of TiO2. The TiO2 nanoparticles with varying concentrations (0–0.11 g/ 100 mL organic solvent) were coated on food packaging film, particularly low density polyethylene (LDPE) film. The antimicrobial activity of the films was investigated by their capability to inactivate Escherichia coli (E. coli) in an actual food packaging application test under various conditions, including types of light (fluorescent and ultraviolet (UV)) and the length of time the film was exposed to light (one–three days). The antimicrobial activity of the TiO2 nanoparticle-coated films exposed under both types of lighting was found to increase with an increase in the TiO2 nanoparticle concentration and the light exposure time. It was also found that the antimicrobial activity of the films exposed under UV light was higher than that under fluorescent light. The developed film has the potential to be used as a food packaging film that can extend the shelf life, maintain the quality, and assure the safety of food. Hindawi Publishing Corporation 2014 Article PeerReviewed Othman, Siti Hajar and Abd Salam, Nurul Raudhah and Zainal, Norhazlizam and Kadir Basha, Roseliza and A. Talib, Rosnita (2014) Antimicrobial activity of TiO2 nanoparticle-coated film for potential food packaging applications. International Journal of Photoenergy, 2014. art. no. 945930. pp. 1-6. ISSN 1110-662X; ESSN: 1687-529X http://www.hindawi.com/journals/ijp/2014/945930/ 10.1155/2014/945930
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
description Recent uses of titanium dioxide (TiO2) have involved various applications which include the food industry. This study aims to develop TiO2 nanoparticle-coated film for potential food packaging applications due to the photocatalytic antimicrobial property of TiO2. The TiO2 nanoparticles with varying concentrations (0–0.11 g/ 100 mL organic solvent) were coated on food packaging film, particularly low density polyethylene (LDPE) film. The antimicrobial activity of the films was investigated by their capability to inactivate Escherichia coli (E. coli) in an actual food packaging application test under various conditions, including types of light (fluorescent and ultraviolet (UV)) and the length of time the film was exposed to light (one–three days). The antimicrobial activity of the TiO2 nanoparticle-coated films exposed under both types of lighting was found to increase with an increase in the TiO2 nanoparticle concentration and the light exposure time. It was also found that the antimicrobial activity of the films exposed under UV light was higher than that under fluorescent light. The developed film has the potential to be used as a food packaging film that can extend the shelf life, maintain the quality, and assure the safety of food.
format Article
author Othman, Siti Hajar
Abd Salam, Nurul Raudhah
Zainal, Norhazlizam
Kadir Basha, Roseliza
A. Talib, Rosnita
spellingShingle Othman, Siti Hajar
Abd Salam, Nurul Raudhah
Zainal, Norhazlizam
Kadir Basha, Roseliza
A. Talib, Rosnita
Antimicrobial activity of TiO2 nanoparticle-coated film for potential food packaging applications
author_facet Othman, Siti Hajar
Abd Salam, Nurul Raudhah
Zainal, Norhazlizam
Kadir Basha, Roseliza
A. Talib, Rosnita
author_sort Othman, Siti Hajar
title Antimicrobial activity of TiO2 nanoparticle-coated film for potential food packaging applications
title_short Antimicrobial activity of TiO2 nanoparticle-coated film for potential food packaging applications
title_full Antimicrobial activity of TiO2 nanoparticle-coated film for potential food packaging applications
title_fullStr Antimicrobial activity of TiO2 nanoparticle-coated film for potential food packaging applications
title_full_unstemmed Antimicrobial activity of TiO2 nanoparticle-coated film for potential food packaging applications
title_sort antimicrobial activity of tio2 nanoparticle-coated film for potential food packaging applications
publisher Hindawi Publishing Corporation
publishDate 2014
url http://psasir.upm.edu.my/id/eprint/36480/
http://www.hindawi.com/journals/ijp/2014/945930/
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score 13.211869

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