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Theses/Dissertations

Food Science

Doctoral Dissertations

2010

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Novel Delivery Systems Of Nisin To Enhance Long-Term Efficacy Against Foodborne Pathogen Listeria Monocytogenes, Dan Xiao Dec 2010

Novel Delivery Systems Of Nisin To Enhance Long-Term Efficacy Against Foodborne Pathogen Listeria Monocytogenes, Dan Xiao

Doctoral Dissertations

Novel intervention strategies such as food grade antimicrobials are used to enhance food safety. Nisin is a widely used naturally occurring antimicrobial effective against many pathogenic and spoilage microorganisms. However, its antimicrobial efficacy in food matrices is much reduced because of interactions with food components. Novel delivery systems may overcome this problem by protecting nisin in capsules and releasing it in a controlled manner. The overall goal of this research was to develop delivery systems of nisin to improve its long-term antimicrobial effectiveness. The first objective was to develop a low-cost method to extract nisin from a commercial preparation containing ...