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Factors influencing the microbial safety of fresh produce: a review.
New information on illness outbreaks caused by produce is considered, factors which influence their frequency and size are identified and intervention effectiveness is examined and research needed to increase understanding of the factors influencing microbial safety of fresh produce is addressed.
Improvement in shelf-life and safety of perishable foods by plant essential oils and smoke antimicrobials
The potential value of natural antimicrobial agents from plants as secondary preservatives is considered as well as the effectiveness and use of similar aromatic and phenolic compounds in wood smoke for the safe extension of perishable food shelf-life.
Disruption of Escherichia coli, Listeria monocytogenes and Lactobacillus sakei cellular membranes by plant oil aromatics.
Results for eugenol and carvacrol are consistent with non-specific permeabilization of the cytoplasmic membrane, and evidence for increased membrane permeability by cinnamaldehyde is less conclusive.
Stability of Lactobacillus reuteri in Different Types of Microcapsules
This study was designed to find the most suitable method and wall material for microencapsulation of the probiotic bacterium Lactobacillus reuteri to maintain cell viability during gastric challenge.…
Factors Influencing Gel Formation by Myofibrillar Proteins in Muscle Foods
Abstract: Considerable research has been done to better understand the basis for gel formation by myofibrillar proteins (MPs) in effort to manufacture acceptable processed meats with lower cost and…
Antibacterial activity of selected fatty acids and essential oils against six meat spoilage organisms.
- B. Ouattara, R. Simard, R. Holley, G. Piette, A. Bégin
- Biology, MedicineInternational journal of food microbiology
- 22 July 1997
The antibacterial activity of selected fatty acids and essential oils was examined against two gram-negative and four gram-positive bacteria involved in meat spoilage and a relationship was found between the inhibitory effect of essential oils and the presence of eugenol and cinnamaldehyde.
Mechanisms of Bactericidal Action of Cinnamaldehyde against Listeria monocytogenes and of Eugenol against L. monocytogenes and Lactobacillus sakei
Effects on energy generation clearly play a major role in the activity of eugenol and cinnamaldehyde at bactericidal concentrations, and the possible mechanisms of inhibition of energy generation are inhibition of glucose uptake or utilization of glucose and effects on membrane permeability.
Pathogen survival in swine manure environments and transmission of human enteric illness--a review.
Canada is now the leading exporter of pork internationally, but recent increases in production contrast with constant domestic levels of pork consumption and declining levels of foodborne illness caused by pork.
The effect of different grain diets on fecal shedding of Escherichia coli O157:H7 by steers.
- S. J. Buchko, R. Holley, W. O. Olson, V. Gannon, D. Veira
- Biology, MedicineJournal of food protection
- 1 November 2000
Three groups of six yearling steers fed one of three different grain diets were inoculated with 10(10) CFU of Escherichia coli O157:H7 strain 3081, and the presence of the inoculated strain was followed in the rumen fluid and feces for a 10-week period, suggesting that the bovine hindgut is the site of E. coli O 157: H7 persistence.
Diffusion of Acetic and Propionic Acids from Chitosan-based Antimicrobial Packaging Films
ABSTRACT: The diffusion of acetic or propionic acids from thin (44 to 54 m m) chitosan-based antimicrobial packagingfilms in which they were incorporated was measured after immersion of the films in…