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1. Biocontrol of the internalization of Salmonella enterica and Enterohaemorrhagic Escherichia coli in mung bean sprouts with an endophytic Bacillus subtilis

Author:
Shen, Zhenyu; Mustapha, Azlin; Lin, Mengshi; Zheng, Guolu
Source:
International journal of food microbiology 2017 v.250 pp. 37-44
ISSN:
0168-1605
Subject:
Listeria monocytogenes,   etc   ; Bacillus subtilis; Escherichia coli O157; Klebsiella pneumoniae; Salmonella enterica; Staphylococcus aureus; agar; bean sprouts; biological control; biological control agents; chloramphenicol acetyltransferase; endophytes; genetic engineering; lettuce; mung beans; nutrition; risk; seeds; sprouting; stems;     Show all 20 Subjects
Abstract:
... Internalization of Salmonella enterica and enterohaemorrhagic Escherichia coli (EHEC) in seed sprouts poses a health risk to consumers, and the conventional sanitization methods are not always effective to reduce this risk. This study initiated a biocontrol approach to limit the internalization using endophytic Bacillus subtilis strains, which were isolated from the inner tissue of mung bean seeds ...
DOI:
10.1016/j.ijfoodmicro.2017.03.016
Chorus Open Access:
10.1016/j.ijfoodmicro.2017.03.016

2. Inhibition of Escherichia coli O157:H7 and Listeria monocytognes growth in milk and cantaloupe juice by thymol nanoemulsions prepared with gelatin and lecithin

Author:
Xue, Jia; Davidson, P. Michael; Zhong, Qixin
Source:
Food control 2017 v.73 pp. 1499-1506
ISSN:
0956-7135
Subject:
Listeria monocytogenes,   etc   ; Escherichia coli O157; antibacterial properties; bacteria; cantaloupes; detection limit; emulsifiers; food safety; gelatin; juices; milk fat; model food systems; nanoemulsions; preservatives; skim milk; thymol; whey; whole milk;     Show all 18 Subjects
Abstract:
... Thymol is an effective antimicrobial and is to be encapsulated for use in liquid foods. Previously, novel thymol nanoemulsions have been prepared with the emulsifier combination of gelatin-A (acid-hydrolyzed) or -B (base-hydrolyzed) and lecithin. The objective of this study was to characterize the antimicrobial activity of thymol nanoemulsified by gelatin and soy lecithin, using milk and cantaloup ...
DOI:
10.1016/j.foodcont.2016.11.015
Chorus Open Access:
10.1016/j.foodcont.2016.11.015

3. Pathogen reductions associated with traditional processing of landjäger

Author:
Rivera-Reyes, Minerva; Campbell, Jonathan A.; Cutter, Catherine N.
Source:
Food control 2017 v.73 pp. 768-774
ISSN:
0956-7135
Subject:
Listeria monocytogenes,   etc   ; Escherichia coli O157; Salmonella; acid treatment; beef; cold; drying; fermentation; flavorings; food pathogens; lactic acid; pH; pork; sausages; starter cultures; traditional technology; vacuum packaging; water activity;     Show all 18 Subjects
Abstract:
... To determine if traditional processing would reduce Escherichia coli O157:H7 (EC), Listeria monocytogenes (LM), and Salmonella spp. (S) in landjäger, beef and pork trim (95% lean) and pork fat was experimentally-inoculated to obtain a pathogen population of ca. 8 log10 CFU/g. The trim was spray-treated with 4.5% lactic acid (30 min, 25 °C), ground, mixed with seasonings, and a starter culture adde ...
DOI:
10.1016/j.foodcont.2016.09.047
Chorus Open Access:
10.1016/j.foodcont.2016.09.047

4. Decay rates of zoonotic pathogens and viral surrogates in soils amended with biosolids and manures and comparison of qPCR and culture derived rates

Author:
Roberts, B.N.; Bailey, R.H.; McLaughlin, M.R.; Brooks, J.P.
Source:
The Science of the total environment 2016 v.573 pp. 671-679
ISSN:
0048-9697
Subject:
Listeria monocytogenes,   etc   ; Campylobacter jejuni; Clostridium perfringens; Escherichia coli O157; Salmonella; biosolids; cattle manure; clay loam soils; coliphages; food pathogens; phosphates; quantitative analysis; quantitative polymerase chain reaction; risk assessment; sandy loam soils; soil amendments; solid wastes; swine;     Show all 18 Subjects
Abstract:
... The purpose of this study was to establish inactivation decay constants of foodborne pathogens and coliphage in clay and sandy soils for future "downstream" analyses such as quantitative microbial risk analysis and to compare cultivation-dependent and -independent (e.g. qPCR) methods.Salmonella enterica, Campylobacter jejuni, Listeria monocytogenes, Escherichia coli O157:H7, and Clostridium perfri ...
DOI:
10.1016/j.scitotenv.2016.08.088
Chorus Open Access:
10.1016/j.scitotenv.2016.08.088

5. Impacts of dietary forage and crude protein levels on the shedding of Escherichia coli O157:H7 and Listeria in dairy cattle feces

Author:
Biswas, S.; Niu, M.; Appuhamy, J.A.D.R.N.; Leytem, A.B.; Dungan, R.S.; Kebreab, E.; Pandey, P.
Source:
Livestock science 2016 v.194 pp. 17-22
ISSN:
1871-1413
Subject:
Listeria monocytogenes,   etc   ; Escherichia coli O157; bacteria; bacterial shedding; cows; crude protein; dairy manure; diet; feces; feed composition; forage; pathogens;     Show all 12 Subjects
Abstract:
... The shedding of Escherichia coli O157:H7 and Listeria monocytogenes in the feces of ruminants and the consequential risk to the public and environmental health is well reported. However, the influence of dietary manipulation on the shedding of fecal bacteria is not well understood. This study was conducted to improve understanding of the relationship between dietary feed composition and shedding o ...
Handle:
10113/63296
DOI:
10.1016/j.livsci.2016.10.011
Chorus Open Access:
10.1016/j.livsci.2016.10.011

6. Cost, quality, and safety: A nonlinear programming approach to optimize the temperature during supply chain of leafy greens

Author:
Mishra, Abhinav; Buchanan, Robert L.; Schaffner, Donald W.; Pradhan, Abani K.
Source:
Lebensmittel-Wissenschaft + [i.e. und] Technologie 2016 v.73 pp. 412-418
ISSN:
0023-6438
Subject:
Listeria monocytogenes,   etc   ; Escherichia coli O157; Lactuca sativa var. capitata; Salmonella; bacteria; chicory; equations; fresh-cut produce; microbial contamination; models; off odors; pathogens; refrigeration; romaine lettuce; shelf life; storage temperature; supply chain; user interface; wilting;     Show all 19 Subjects
Abstract:
... Leafy green vegetables are highly susceptible to microbial contamination because they are minimally processed. Pathogenic bacteria of concern include Escherichia coli O157:H7, Salmonella spp., and Listeria monocytogenes. Leafy greens are a highly perishable commodity, and in some cases have a postharvest shelf-life limited to one week. This study provides an approach to optimize storage temperatur ...
DOI:
10.1016/j.lwt.2016.06.037
Chorus Open Access:
10.1016/j.lwt.2016.06.037

7. Quality attributes and microbial survival on whole cantaloupes with antimicrobial coatings containing chitosan, lauric arginate, cinnamon oil and ethylenediaminetetraacetic acid

Author:
Ma, Qiumin; Zhang, Yue; Critzer, Faith; Davidson, P. Michael; Zhong, Qixin
Source:
International journal of food microbiology 2016 v.235 pp. 103-108
ISSN:
0168-1605
Subject:
Listeria monocytogenes,   etc   ; EDTA (chelating agent); Escherichia coli O157; Salmonella enterica; cantaloupes; chitosan; cinnamon oil; coatings; detection limit; firmness; food pathogens; microbiological quality; molds (fungi); total soluble solids; weight loss; yeasts;     Show all 16 Subjects
Abstract:
... Cantaloupes are susceptible to microbiological contamination in pre- or postharvest environments. Novel intervention strategies, such as antimicrobial coatings, are needed to improve the microbiological safety of cantaloupes. The objective of this study was to prepare whole cantaloupes coated with mixtures containing chitosan, lauric arginate (LAE), cinnamon oil (CO), and ethylenediaminetetraaceti ...
DOI:
10.1016/j.ijfoodmicro.2016.07.030
Chorus Open Access:
10.1016/j.ijfoodmicro.2016.07.030

8. Antimicrobial activities of lauric arginate and cinnamon oil combination against foodborne pathogens: Improvement by ethylenediaminetetraacetate and possible mechanisms

Author:
Ma, Qiumin; Davidson, P. Michael; Critzer, Faith; Zhong, Qixin
Source:
Lebensmittel-Wissenschaft + [i.e. und] Technologie 2016 v.72 pp. 9-18
ISSN:
0023-6438
Subject:
Listeria monocytogenes,   etc   ; DNA; EDTA (chelating agent); Escherichia coli O157; Gram-negative bacteria; Salmonella Enteritidis; adenosine triphosphate; anti-infective properties; atomic force microscopy; cell membranes; cinnamon oil; food pathogens; gentian violet; permeability; scanning electron microscopy;     Show all 15 Subjects
Abstract:
... The objective of this work was to study if ethylenediaminetetraacetate (EDTA) could enhance the antimicrobial activity of lauric arginate (LAE) and cinnamon oil (CO) combination, and the possible mechanisms. With 500 mg/L of EDTA, 5 mg/L of LAE and 200 mg/L of CO showed an increased log reduction of Escherichia coli O157: H7, Salmonella Enteritidis, and Listeria monocytogenes by ca. 4, 5, and 1 lo ...
DOI:
10.1016/j.lwt.2016.04.021
Chorus Open Access:
10.1016/j.lwt.2016.04.021

9. Nanoemulsions of thymol and eugenol co-emulsified by lauric arginate and lecithin

Author:
Ma, Qiumin; Davidson, P. Michael; Zhong, Qixin
Source:
Food chemistry 2016 v.206 pp. 167-173
ISSN:
0308-8146
Subject:
Listeria monocytogenes,   etc   ; Escherichia coli O157; Gram-negative bacteria; anti-infective properties; cationic surfactants; droplets; emulsifiers; essential oils; eugenol; hydrophobic bonding; milk fat; mixing; nanoemulsions; physical properties; thymol; zeta potential;     Show all 16 Subjects
Abstract:
... Lauric arginate (LAE) is a cationic surfactant with excellent antimicrobial activities. To incorporate essential oil components (EOCs) in aqueous systems, properties of EOC nanoemulsions prepared with a LAE and lecithin mixture were studied. The LAE–lecithin mixture resulted in stable translucent nanoemulsions of thymol and eugenol with spherical droplets smaller than 100nm, contrasting with the t ...
DOI:
10.1016/j.foodchem.2016.03.065
Chorus Open Access:
10.1016/j.foodchem.2016.03.065

10. Capture and concentration of viral and bacterial foodborne pathogens using apolipoprotein H

Author:
Almand, Erin A.; Goulter, Rebecca M.; Jaykus, Lee-Ann
Source:
Journal of microbiological methods 2016 v.128 pp. 88-95
ISSN:
0167-7012
Subject:
Listeria monocytogenes,   etc   ; Escherichia coli O157; Norovirus; Salmonella Enteritidis; Staphylococcus aureus; bacteria; bacterial proteins; blood proteins; food pathogens; gene amplification; humans; ligands; lipopolysaccharides; magnetism; microbial detection; quantitative polymerase chain reaction; reverse transcriptase polymerase chain reaction; virus-like particles; viruses;     Show all 19 Subjects
Abstract:
... The need for improved pathogen separation and concentration methods to reduce time-to-detection for foodborne pathogens is well recognized. Apolipoprotein H (ApoH) is an acute phase human plasma protein that has been previously shown to interact with viruses, lipopolysaccharides (LPS) and bacterial proteins. The purpose of this study was to determine if ApoH was capable of binding and efficiently ...
DOI:
10.1016/j.mimet.2016.07.014
Chorus Open Access:
10.1016/j.mimet.2016.07.014

11. Inactivation of Listeria monocytogenes, Salmonella spp. and Escherichia coli O157:H7 on cantaloupes by octenidine dihydrochloride

Author:
Upadhyay, Abhinav; Chen, Chi-hung; Yin, Hsinbai; Upadhyaya, Indu; Fancher, Samantha; Liu, Yanyan; Nair, Meera Surendran; Jankelunas, Leanne; Patel, Jitendra R.; Venkitanarayanan, Kumar
Source:
Food microbiology 2016 v.58 pp. 121-127
ISSN:
0740-0020
Subject:
Listeria monocytogenes,   etc   ; Escherichia coli O157; Salmonella; anti-infective properties; cantaloupes; chitosan; chlorine; coatings; disinfectants; ethanol; pathogens; washing;     Show all 12 Subjects
Abstract:
... The efficacy of a new generation disinfectant, octenidine dihydrochloride (OH), as wash and coating treatments for reducing Listeria monocytogenes (LM), Salmonella spp. (SAL), and Escherichia coli O157:H7 (EC) on cantaloupe was investigated. Cantaloupe rind plugs inoculated separately with the three bacterial species (∼8 log CFU/cm2) were washed for 1, 3, 5 min at 25 °C in water, or chlorine (200  ...
DOI:
10.1016/j.fm.2016.04.007
Chorus Open Access:
10.1016/j.fm.2016.04.007

12. Organic thyme oil emulsion as an alternative washing solution to enhance the microbial safety of organic cantaloupes

Author:
Zhang, Yue; Ma, Qiumin; Critzer, Faith; Davidson, P. Michael; Zhong, Qixin
Source:
Food control 2016 v.67 pp. 31-38
ISSN:
0956-7135
Subject:
Listeria monocytogenes,   etc   ; Escherichia coli O157; Salmonella enterica; anti-infective properties; bacteria; cantaloupes; emulsions; equipment; essential oils; ethanol; fresh produce; gum arabic; hydrodynamics; microbiological quality; minimum inhibitory concentration; oils; organic foods; pathogens; postharvest treatment; thyme; washing; whey protein concentrate;     Show all 22 Subjects
Abstract:
... Emulsions of organic essential oils may be used as postharvest alternative washing solutions in fresh produce production. In the present study, organic thyme oil was emulsified with whey protein concentrate, gum arabic, lecithin, or their equal mass mixtures without using specialized equipment. The stability of these emulsions was monitored by measuring hydrodynamic diameter during ambient storage ...
DOI:
10.1016/j.foodcont.2016.02.032
Chorus Open Access:
10.1016/j.foodcont.2016.02.032

13. Antimicrobial properties of microemulsions formulated with essential oils, soybean oil, and Tween 80

Author:
Ma, Qiumin; Davidson, P. Michael; Zhong, Qixin
Source:
International journal of food microbiology 2016 v.226 pp. 20-25
ISSN:
0168-1605
Subject:
Listeria monocytogenes,   etc   ; Escherichia coli O157; Salmonella enterica; Weibull statistics; anti-infective agents; anti-infective properties; bacteria; bark; cell viability; cinnamon oil; ethanol; eugenol; milk fat; minimum inhibitory concentration; mixing; polysorbates; propylene glycol; soybean oil; thyme;     Show all 19 Subjects
Abstract:
... It was previously found that blending soybean oil with cinnamon bark oil (CBO), eugenol or thyme oil, Tween 80, and equal masses of water and propylene glycol could be used to prepare microemulsions. In the present study, the objective was to determine the antimicrobial activity of the microemulsions in tryptic soy broth (TSB) and 2% reduced fat milk. In TSB, the minimum inhibitory concentration ( ...
DOI:
10.1016/j.ijfoodmicro.2016.03.011
Chorus Open Access:
10.1016/j.ijfoodmicro.2016.03.011