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Mechanical properties and antimicrobial analysis of antimicrobial starch-based film

Antimicrobial (AM) packaging is one of the most promising active packaging systems. Increase demand in food safety, quality, convenience and environmental concerns associated with the handling of plastic waste has emphasized the importance in developing biodegradable and edible films from natural po...

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Main Authors: Salleh, E., Muhamad, I. I.
Format: Conference or Workshop Item
Published: 2007
Subjects:
QD Chemistry
Online Access:http://eprints.utm.my/id/eprint/14207/
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spelling my.utm.142072017-09-18T07:34:23Z http://eprints.utm.my/id/eprint/14207/ Mechanical properties and antimicrobial analysis of antimicrobial starch-based film Salleh, E. Muhamad, I. I. QD Chemistry Antimicrobial (AM) packaging is one of the most promising active packaging systems. Increase demand in food safety, quality, convenience and environmental concerns associated with the handling of plastic waste has emphasized the importance in developing biodegradable and edible films from natural polymers, such as starch. Starch-based film is considered an economical material for antimicrobial packaging. This study aimed at the development of food packaging based on wheat starch incorporated with chitosan and lauric acid as antimicrobial agents. Chitosan has a widely been used in antimicrobial films, to provide edible protective coating, dipping and spraying for the food products due to its antimicrobial properties. Incorporation of chitosan and lauric acid as antimicrobial agent into starch-based film enhance physical and mechanical properties of starch-based film. The starch-based film also having antimicrobial properties that can extend shelf-life of the food packed. The antimicrobial effect of antimicrobial starch-based (AM) film was tested on B. substilis and E. coli. Inhibition of bacterial growth was examined using two methods, i.e. zone of inhibition test on solid media and liquid culture test (optical density measurements). The control (pure wheat starch) and AM film (incorporated with chitosan and lauric acid) were produced by casting method. From the observations, AM films exhibited inhibitory zones. Interestingly, a wide clear zone on solid media was observed for B. substilis growth inhibition whereas inhibition for E. coli was not as effective as B. substilis. From the liquid culture test, the AM films clearly demonstrated a better inhibition against B. substilis than E. coli. 2007 Conference or Workshop Item PeerReviewed Salleh, E. and Muhamad, I. I. (2007) Mechanical properties and antimicrobial analysis of antimicrobial starch-based film. In: International Conference On Advancement Material And Nanotechnology, 2007, Langkawi.
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic QD Chemistry
spellingShingle QD Chemistry
Salleh, E.
Muhamad, I. I.
Mechanical properties and antimicrobial analysis of antimicrobial starch-based film
description Antimicrobial (AM) packaging is one of the most promising active packaging systems. Increase demand in food safety, quality, convenience and environmental concerns associated with the handling of plastic waste has emphasized the importance in developing biodegradable and edible films from natural polymers, such as starch. Starch-based film is considered an economical material for antimicrobial packaging. This study aimed at the development of food packaging based on wheat starch incorporated with chitosan and lauric acid as antimicrobial agents. Chitosan has a widely been used in antimicrobial films, to provide edible protective coating, dipping and spraying for the food products due to its antimicrobial properties. Incorporation of chitosan and lauric acid as antimicrobial agent into starch-based film enhance physical and mechanical properties of starch-based film. The starch-based film also having antimicrobial properties that can extend shelf-life of the food packed. The antimicrobial effect of antimicrobial starch-based (AM) film was tested on B. substilis and E. coli. Inhibition of bacterial growth was examined using two methods, i.e. zone of inhibition test on solid media and liquid culture test (optical density measurements). The control (pure wheat starch) and AM film (incorporated with chitosan and lauric acid) were produced by casting method. From the observations, AM films exhibited inhibitory zones. Interestingly, a wide clear zone on solid media was observed for B. substilis growth inhibition whereas inhibition for E. coli was not as effective as B. substilis. From the liquid culture test, the AM films clearly demonstrated a better inhibition against B. substilis than E. coli.
format Conference or Workshop Item
author Salleh, E.
Muhamad, I. I.
author_facet Salleh, E.
Muhamad, I. I.
author_sort Salleh, E.
title Mechanical properties and antimicrobial analysis of antimicrobial starch-based film
title_short Mechanical properties and antimicrobial analysis of antimicrobial starch-based film
title_full Mechanical properties and antimicrobial analysis of antimicrobial starch-based film
title_fullStr Mechanical properties and antimicrobial analysis of antimicrobial starch-based film
title_full_unstemmed Mechanical properties and antimicrobial analysis of antimicrobial starch-based film
title_sort mechanical properties and antimicrobial analysis of antimicrobial starch-based film
publishDate 2007
url http://eprints.utm.my/id/eprint/14207/
_version_ 1643646350448918528
score 13.211869

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