Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 14 of 14 for “"natural antimicrobials"”.
-
Isolation And Characterization Of Natural Antimicrobials From Plant And Marine Organisms
<p>Antibiotic agents have been found to have a limited lifespan due to the ability of microrganisms to develop antimicrobial resistance. In this study a number extracts of plant and marine organisms were evaluated for their antimicrobial activity against a number of high priority pathogens. …
-
Comparative Phenotypic and Transcriptional Differences of Campylobacter jejuni When Challenged with Low Molecular Weight Chitosan
… hurdles are used in the food industry, including natural products such as modified atmosphere and salt. Other natural antimicrobials are shown to possess antibacterial activity. Chitosan, a natural antimicrobial, has promising uses in food production. However, little is known about the …
-
Potential Antimicrobials for Controlling Listeria monocytogenes in Frankfurters
… One-way RTE can be treated is with the use of antimicrobials. However, in the past chemical substances were used. Currently, consumers want more natural and organic preservatives to combat health problems from toxic components of former synthetic chemicals. Therefore, it is imperative that …
-
Phenotypic, Physiological and Growth Interactions among Salmonella Serovars
… and consumers are demanding more natural antimicrobials we studied the effectiveness of five essential oils against <em>Salmonella</em> Heidelberg. Besides being one of the top five <em>Salmonella enterica</em> serovars associated with human infections, <em>S.</em> Heidelberg is …
-
Hurdle Technologies Using Essential Oils And High Hydrostatic Pressure To Inactivate E. Coli In Fresh Beef
… pressure (HHP) and essential oils (EOs) as natural antimicrobials was evaluated to produce E. coli safe and quality beef product. First, the individual and combined effects of antimicrobial activity (minimum inhibitory concentration) of basil, black cumin, cilantro, cumin, fenugreek, ginger, …
-
Intervention Strategies for Escherichia coli O157:H7 and Salmonella in Organic Soil and on Fresh Produce
… of fresh produce. Consumers' demand for safe, natural products has led to research on natural antimicrobials for effective control of foodborne pathogens on fresh produce, which can be inadvertently contaminated by soil. Therefore, there is a need to control microbial loads in soil to minimize …
-
Effect of Electrostatic Spraying of Food-Grade Organic and Inorganic Acids, and Grape Seed Extract on Salmonella Typhimurium and Escherichia coli O157:H7 on Spinach and Iceberg Lettuce
… a multiple hurdle approach was applied: (1) Natural antimicrobials - organic acids (malic, lactic and tartaric acids; MA, LA, TA, respectively) and plant extract (grape seed extract, GSE) and (2) Application method - Electrostatic spraying, was examined as a possible solution to the problem …
-
New technologies and by-product valorisation to improve the quality and shelf life of minimally processed fish-products
El pescado tiene un gran interés desde el punto de vista nutricional, sobre todo por su alto contenido en ácidos grasos poliinsaturados omega 3. Sin embargo, es un alimento altamente perecedero. Esta tesis plantea nuevas estrategias de conservación para conseguir productos de pesca de calidad y con …
-
Use of plant-derived essential oil compounds, naturally-occurring apple aroma compounds, and apple juice flavoring mixtures to control the growth of Escherichia coli O157:H7
… alone and in combination with three naturally-occurring apple aroma (AA) compounds (hexanal, trans-2-hexenal and 1-hexanol) to identify the minimum inhibitory concentrations necessary to inhibit E. coli O157:H7. Three commercial apple juice flavoring mixtures (natural apple cinnamon, …
-
INVESTIGATING PROTEIN - BILAYER COMPLEXES: A STUDY OF LIGAND - RECEPTOR INTERACTIONS AT MODEL MEMBRANE SURFACE BY USING ELECTRONIC ABSORPTION SPECTROSCOPY AND FLUORESCENCE RESONANCE ENERGY TRANSFER.
… food safety. There is growing demand for natural antimicrobials because of fear of adverse health effects of synthetic preservatives. The main objective of this study is to compare antimicrobial activity of free versus encapsulated curcumin. Glass surfaces coated with nano-encapsulated …
-
Effect of spices on food borne pathogens during African milk fermentation
… trend towards less processed and the use of natural antimicrobials for food preservation. There are no studies however on the effect of spices on foodborne pathogens in fermented milk. in this study, the antimicrobial effect of spices and essential oils when combined with milk fermentation …
-
Evaluation of Peanut Skin Extract, Grape Seed Extract, and Grape Seed Extract Fractions to Reduce Populations of Select Foodborne Pathogens
… are high in oligomers may be more effective as antimicrobials. Type B procyanidins have also been shown to prevent bacterial adhesion, as is the case with urinary tract infections, and may aid in the prevention of biofilms.