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Use Of Electrolyzed Water As A Topical Antimicrobial And Minimal Processing Technique For Fresh, Whole Peaches, Dylan Zachary Hopkins
Use Of Electrolyzed Water As A Topical Antimicrobial And Minimal Processing Technique For Fresh, Whole Peaches, Dylan Zachary Hopkins
All Theses
Three experiments were performed to enumerate the natural microflora on unwashed peaches, known as 'field' peaches, and to determine the efficacy of using acidified electrolyzed water as a topical antimicrobial to remove or reduce the number of the natural microflora or inoculated Listeria innocua from to peach surfaces. During the first experiment, field peaches were divided into four treatment groups: no wash (NW), tap water wash (TW), acidified electrolyzed water wash (AEW), and chlorinated water wash (CL). Peaches were dipped into each of the treatment solutions at ambient temperature and immediately removed (approximately 5 seconds). Peaches were then rinsed in …
Comparison Of Methods To Evaluate Chitosan As An Antimicrobial Against Listeria Spp. Cultures, Scott Hartley
Comparison Of Methods To Evaluate Chitosan As An Antimicrobial Against Listeria Spp. Cultures, Scott Hartley
All Theses
The antimicrobial properties of a chitosan-coated vacuum-packaged pouch were tested against Listeria monocytogenes (LM) inoculated on frankfurters. A 1.5% chitosan solution was successfully coated onto a corona-treated poly/nylon based film and then heat-sealed to form a pouch. An initial 5 log CFU/mL population of LM was used to inoculate a frankfurter in the pouch, which was then vacuum-sealed and stored at 4¡ and 13¡ C for a period of 8 weeks, with bacteria enumeration performed on weekly intervals. An uncoated pouch was tested as a control. It was found that the chitosan-coated pouches did not exhibit any antimicrobial properties against …
The Antibacterial Properties Of Brookite Phase Titanium Dioxide Nanoparticles Against Methicillin-Resistant Staphylococcus Aureus, Rupal Shah
All Theses
Staphylococcus aureus (S. aureus), a major human pathogen, is a common cause of infections worldwide due to its high virulence intensity. By adapting to rapidly changing and uniformly hostile environments, strains of S. aureus acquire resistance to antimicrobial agents shortly after their exposure. For example, within a year of its introduction, S. aureus developed resistance to methicillin which triggered the development of other antimicrobial treatments. In spite of the various antibiotics currently used to treat methicillin-resistant S. aureus (MRSA) infections, antimicrobial resistance is an unavoidable consequence due to the selective pressure of antibiotic exposure. Thus, other prevention modalities are warranted …