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Skip to Search Results- 2Escherichia coli
- 1Antimicrobials
- 1Antioxidant activity
- 1Bacteriocins
- 1Carnobaterium maltaromaticum
- 1Conduction Current
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Control of Listeria monocytogenes and Heat-Resistant Escherichia coli on Vacuum-Packaged Beef
DownloadSpring 2012
Novel methods to control Listeria monocytogenes and Escherichia coli on vacuum-packaged raw beef were investigated. Bacteriocin-negative Lactobacillus sakei FUA3058 and bacteriocin-positive Carnobacterium maltaromaticum UAL307 were tested as biopreservatives, alone or in combination with...
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Spring 2019
During food processing, Escherichia coli are exposed to stress from oxidation, osmolarity and temperature, and have developed mechanisms to survive. A highly heat resistant strain of E. coli AW1.7 was isolated from a beef carcass after thermal processing and it has a genomic island called the...
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Fall 2017
Strains of Escherichia coli may survive heat or pressure stress, acquire specific virulence genes and cause severe human diseases. The locus of heat resistance (LHR) has been identified as an important heat resistant element in E. coli. The objective of this thesis was to explore the role of the...
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Inactivation of Saccharomyces cerevisiae and Candida humilis in Potassium Phosphate Buffer by Pulsed Electric Fields
DownloadSpring 2016
Pulsed electric field (PEF) is a promising athermal food preservation technology, having the potential to provide a better balance between food safety and food quality. But the high cost of PEF treatment has limited the commercial application of this technology. The aim of this MSc thesis...
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Microbiological and chemical characterisation of ting, a sorghum-based gluten-free fermented cereal product from Botswana
DownloadFall 2011
Fermented cereal foods produced in Africa involve a wide range of raw materials, e.g. millets, sorghum and maize, which are fermented using various microorganisms. Fermentation of these foods progresses under the influence of microorganisms and their enzyme activities. Fermentation processes...
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Spring 2011
Isomalto-oligosaccharides (IMO) with α(1→6) and α(1→4) glucosidic linkages are produced by enzymatic conversion of starch. Isomalto-oligosaccharides are partially digested in the intestine but little information is available regarding their metabolim in vivo. It was the aim of this study to...
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Starch-based Films Incorporated with Different Bioactive Compounds for Food Packaging Using Pressurized Hot Water Technology
DownloadSpring 2019
In recent years, biodegradable polymers, like starch, have been studied as potential packaging materials to deal with the increasing concern on plastic disposal/degradation and to extend food products shelf-life. This objective of this thesis was to develop bioactive starch-based films using...