Research Publications (Food Safety)

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The study aim was to evaluate the potential of 405-nm light as a virus intervention for blueberries.

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The study was focused on P. fluorescens strains isolated from Mozzarella cheese, with the aim of evaluating the effects of Origanum vulgare L. essential oil (OEO) on the biofilm formation and eradication, as well as on the motility and blue pigment production at 10°C.

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This study investigated the possible role of Fayoumi chickens and pigeons in the transmission of multidrug resistant (MDR) Salmonella with zoonotic potential.

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This research aims to assess total-cadmium soil content and microbiological aspects to understand the dynamics of culturable cadmium-tolerant bacteria (CdtB) in cacao soils from northeastern Colombia.

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We investigated whether Listeria monocytogenes strains differ in their ability to escape from the primary phagosome after internalization into human intestinal epithelial cells.

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To examine Salmonella and Escherichia coli in storm runoff and irrigation ponds used by fresh produce growers, and compare Salmonella serovars with those found in cases of human salmonellosis.

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Dairy cattle shed pathogenic E. coli O157 (O157) in feces, playing a role in human exposure. We aimed to measure fecal microbial communities in early lactation dairy cattle, and model outcomes with O157 shedding metrics.

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The purpose of this survey was to estimate the respective prevalence of the “gang of seven” and “non-gang of seven” serotypes of Shigatoxigenic and enteropathogenic Escherichia coli and to identify the O80:H2 serotype in 245 intestinal contents collected at two slaughterhouses in Belgium in 2014.

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The spoilage potential of 28 bacterial strains isolated from spoiled raw yellowfin tuna was evaluated.

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This study aimed to review the microbiological results for raw drinking milk (RDM) samples submitted to Public Health England laboratories between 2014 and 2016 in order to produce up-to-date data on the microbiological safety of RDM and inform future risk assessments on its sale.

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To compare the conventional plating method versus a fluorometric method using PrestoBlue® as a dye by determining the antimicrobial activity of two organic acids and curcumin against Salmonella Enteritidis in an avian in vitro digestion model that simulates the crop, proventriculus and intestine.

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Molecular subtyping is commonly used in foodborne disease surveillance and microbial source tracking. There is a knowledge gap regarding the molecular ecology of foodborne pathogens in non-food associated environments. The objective of this study was to isolate and subtype foodborne pathogens from pristine natural environments with minimal anthropogenic inputs.

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The purpose of this study was to evaluate the effect of warehouse storage conditions on the composition of the fungal community of green coffee beans (GCB) that were stored in jute sacks for one year.

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To enhance the antimicrobial and antibiofilm activity of norfloxacin against the planktonic and biofilm mode of growth in ESKAPE pathogens using chemically modified norfloxacin salts.

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To select Listeria monocytogenes specific scFv antibodies from a phage display library by a novel simple and cost-effective immobilization method.

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Enterohaemorrhagic Escherichia coli (EHEC) serotype O157:H7 as a major human pathogen is responsible for food borne outbreaks, bloody diarrhea, hemorrhagic colitis and hemolytic uremic syndrome (HUS) and even death. In this study, the antibacterial activity of the Zataria multiflora essential oil (ZMEO) and nanoliposome-encapsulated ZMEO was evaluated on the pathogenicity of Escherichia coli O157:H7.

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Pathogenic bacteria can spread between individuals or between food items via the surfaces they share. Limiting the survival of pathogens on surfaces therefore presents an opportunity to limit at least one route of how pathogens spread. In this study we propose that a simple coating with the essential oil isoeugenol can be used to circumvent the problem of bacterial transfer via surfaces.

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The objective of this study was to show whether the edible part of broccoli has antibacterial and antifungal activity against microorganism of importance in human health and vegetable spoilage, and to test if this effect was partially due to antimicrobial peptides.

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Microbiological, biotechnological and chemical characterization of a previously undescribed aryl-crowned polyketide from Bacillus subtilis MTCC 10403 isolated from brown seaweed Anthophycus longifolius with activity against opportunistic Gram-negative food-borne pathogenic bacterial strains.

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The aim of the study was to examine the effect of different process parameters which including; initial juglone amount, initial poly(d,l-lactide co-glycolide) amount, polyvinyl alcohol volume and polyvinyl alcohol concentration on encapsulation of juglone to poly(d,l-lactide co-glycolide) nanoparticles.

Summary

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The objective of this study was to obtain a phenotypic and genotypic profile of Salmonella enterica including multidrug-resistant isolates from food-producing animals and clinical isolates, as well as their genetic relatedness in two different States of Mexico (Jalisco and State of Mexico).

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In this study, the effects of addition of salt to treatment with acids (one of several organic acids and salt in various solutions including rich or minimal broth, buffer, or distilled water) on the reduction of Escherichia coli O157:H7 were investigated. The protein expression profiles corresponding to acid stress (acetic acid) with or without salt addition were studied using a comparative proteomic analysis of E. coli O157:H7.

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The control of Salmonella in pig production is necessary for public and animal health and vaccination was evaluated as a strategy to decrease pig prevalence.