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Theses/Dissertations

2005

Antimicrobial

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Antimicrobial Effect Of Cetylpyridinium Chloride Against Listeria Monocytogenes Growth On The Surface Of Raw And Cooked Shrimp, Tracie Michelle Dupard Jan 2005

Antimicrobial Effect Of Cetylpyridinium Chloride Against Listeria Monocytogenes Growth On The Surface Of Raw And Cooked Shrimp, Tracie Michelle Dupard

LSU Master's Theses

Listeria monocytogenes has emerged as a major foodborne pathogen for the seafood industry due to its psychrotrophic nature and its ubiquitous presence. It has been isolated from soil, sewage, dead vegetative matter, aquatic environments, fecal material, fish, crustaceans, and domesticated animals. As a result, L. monocytogenes has been responsible for several shrimp recalls and has been epidemiologically linked to human listeriosis. Fresh seafood products are highly perishable and their shelf-life is limited by microbiological spoilage. Therefore, when pathogenic microorganisms are involved, it poses a health threat to the general public. The situation is further complicated because seafood processing plants are …


Antimicrobial Effects Of Copper And Brass Ions On The Growth Of Listeria Monocytogenes At Different Temperatures, Ph And Nutrients, Aisha Abushelaibi Jan 2005

Antimicrobial Effects Of Copper And Brass Ions On The Growth Of Listeria Monocytogenes At Different Temperatures, Ph And Nutrients, Aisha Abushelaibi

LSU Doctoral Dissertations

Listeria monocytogenes has been recognized as a human pathogen since 1929. This pathogen is found in many foods and listeriosis infections affect approximately 2,500 people in the United States each year, according to the Centers for Disease Control and Prevention. Of those infected with L. monocytogenes approximately 500 die as a result of the illness. Listeria monocytogenes is a bacterium, commonly found in water, soil, plant material, animals and human. Today, different methods are used by food manufacturers, to reduce the risk of Listeria monocytogenes, such as antimicrobial agents, heating, irradiation, and fermentation. The ability of the bacteria to grow …