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https://www.readbyqxmd.com/read/28439262/turn-up-the-heat-food-and-clinical-escherichia-coli-isolates-feature-two-transferrable-loci-of-heat-resistance
#1
Erik J Boll, Roger Marti, Henrik Hasman, Søren Overballe-Petersen, Marc Stegger, Kim Ng, Susanne Knøchel, Karen A Krogfelt, Joerg Hummerjohann, Carsten Struve
Heat treatment is a widely used process to reduce bacterial loads in the food industry or to decontaminate surfaces, e.g., in hospital settings. However, there are situations where lower temperatures must be employed, for instance in case of food production such as raw milk cheese or for decontamination of medical devices such as thermo-labile flexible endoscopes. A recently identified locus of heat resistance (LHR) has been shown to be present in and confer heat resistance to a variety of Enterobacteriaceae, including Escherichia coli isolates from food production settings and clinical ESBL-producing E...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28437165/survey-for-listeria-monocytogenes-in-and-on-ready-to-eat-foods-from-retail-establishments-in-the-united-states-2010-through-2013-assessing-potential-changes-of-pathogen-prevalence-and-levels-in-a-decade
#2
John B Luchansky, Yuhuan Chen, Anna C S Porto-Fett, Régis Pouillot, Bradley A Shoyer, Rachel Johnson-DeRycke, Denise R Eblen, Karin Hoelzer, William K Shaw, Jane M van Doren, Michelle Catlin, Jeehyun Lee, Rohan Tikekar, Daniel Gallagher, James A Lindsay, Sherri Dennis
A multiyear interagency Listeria monocytogenes Market Basket Survey was undertaken for selected refrigerated ready-to-eat foods purchased at retail in four FoodNet sites in the United States. Food samples from 16 food categories in six broad groups (seafood, produce, dairy, meat, eggs, and combination foods) were collected weekly at large national chain supermarkets and independent grocery stores in California, Maryland, Connecticut, and Georgia for 100 weeks between December 2010 and March 2013. Of the 27,389 total samples, 116 samples tested positive by the BAX PCR system for L...
April 24, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28434743/the-effect-of-emulsifying-salts-on-the-turbidity-of-a-diluted-milk-system-with-varying-ph-and-protein-concentration
#3
M D Culler, Y Saricay, F M Harte
Solutions of 10 commonly used emulsifying salts (ES) listed in the Code of Federal Regulations (21CFR133.179) for pasteurized process cheese were tested for their effect on the turbidity of a diluted milk system at different pH and protein concentrations to characterize the conditions that affect micellar structure. Emulsifying salt solutions were made by mixing the ES in a 1-in-20 dilution of water in skim milk ultrafiltrate (3 kDa molecular weight cut-off) to obtain ES concentrations from 0 to 248 mM. Skim milk was added to solutions containing nanopure water, skim milk ultrafiltrate, and a specific ES ranging in concentration from 0 to 248 mM and pH 5, 5...
April 20, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28433581/therapeutic-burst-suppression-coma-in-pediatric-febrile-refractory-status-epilepticus
#4
Jainn-Jim Lin, Cheng-Che Chou, Shih-Yun Lan, Hsiang-Ju Hsiao, Yu Wang, Oi-Wa Chan, Shao-Hsuan Hsia, Huei-Shyong Wang, Kuang-Lin Lin
BACKGROUND: Evidence for the beneficial effect of therapeutic burst-suppression coma in pediatric patients with febrile refractory status epilepticus is limited, and the clinical outcomes of this treatment strategy are largely unknown. Therefore, the aim of this study was to explore the outcomes of therapeutic burst-suppression coma in a series of children with febrile refractory status epilepticus. METHODS: We retrospectively reviewed consecutive pediatric patients with febrile refractory status epilepticus admitted to our pediatric intensive care unit between January 2000 and December 2013...
April 19, 2017: Brain & Development
https://www.readbyqxmd.com/read/28432007/caloric-compensation-in-preschool-children-relationships-with-body-mass-and-differences-by-food-category
#5
S Carnell, L Benson, E L Gibson, L A Mais, S Warkentin
Maintaining a healthy weight may involve compensating for previously consumed calories at subsequent meals. To test whether heavier children demonstrated poorer caloric compensation across a range of conditions, and to explore whether compensation failure was the result of inadequate adjustment of overall intake or specific over-consumption of highly palatable, high energy-density 'junk' foods, we administered two compensation tests to a sample of 4-5 y olds. For Test A, preloads varied only in carbohydrate content and were organoleptically indistinguishable (200 ml orange-flavored beverage [0 kcal vs...
April 18, 2017: Appetite
https://www.readbyqxmd.com/read/28428298/genome-sequence-of-staphylococcus-saprophyticus-dpc5671-a-strain-isolated-from-cheddar-cheese
#6
Andrea S Bertuzzi, Caitriona M Guinane, Fiona Crispie, Kieran N Kilcawley, Paul L H McSweeney, Mary C Rea
The draft genome sequence of Staphylococcus saprophyticus DPC5671, isolated from cheddar cheese, was determined. S. saprophyticus is a common Gram-positive bacterium detected on the surface of smear-ripened cheese and other fermented foods.
April 20, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28428129/three-phase-partitioning-a-scalable-method-for-the-purification-and-recovery-of-cucumisin-a-milk-clotting-enzyme-from-the-juice-of-cucumis-melo-var-reticulatus
#7
Mohammed Gagaoua, Ferhat Ziane, Sabrina Nait Rabah, Nawel Boucherba, Amel Ait Kaki El-Hadef El-Okki, Amel Bouanane-Darenfed, Kahina Hafid
Cucumisin [EC 3.4.21.25] was first purified from Cucumis melo var. reticulatus juice by three-phase partitioning (TPP). Optimum purification parameters of the TPP system were determined as 60% ammonium sulfate saturation with 1.0:1.25 ratio of crude extract: t-butanol at pH and temperature of 8.0 and 20°C, respectively. Cucumisin was purified with 4.61 purification fold and 156% activity recovery. The molecular weight of the recovered cucumisin was determined as 68.4kDa and its isoelectric point is 8.7. Optimum pH and temperature of cucumisin were pH 9...
April 17, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28427739/boosting-biogas-production-from-sewage-sludge-by-adding-small-amount-of-agro-industrial-by-products-and-food-waste-residues
#8
A E Maragkaki, M Fountoulakis, A Kyriakou, K Lasaridi, T Manios
In Greece, in many cities, wastewater treatment plants (WWTPs) operate their own anaerobic digestion (AD) facility in order to treat sewage sludge rather than achieve optimum biogas production. Nowadays, there is a growing interest regarding the addition of other co-substrates in these existing facilities in order to increase gas yield from the biomass. This practice may be possible by adding small amount of co-substrates which will not affect significantly in the designed hydraulic retention time. Nonetheless, the lack of experimental data regarding this option is a serious obstacle...
April 17, 2017: Waste Management
https://www.readbyqxmd.com/read/28421381/lactase-non-persistence-and-lactose-intolerance
#9
REVIEW
Theodore M Bayless, Elizabeth Brown, David M Paige
PURPOSE OF REVIEW: To evaluate the clinical and nutritional significance of genetically determined lactase non-persistence and potential lactose and milk intolerance in 65-70% of the world's adult population. RECENT FINDINGS: Milk consumption is decreasing in the USA and is the lowest in countries with a high prevalence of lactase non-persistence. The dairy industry and Minnesota investigators have made efforts to minimize the influence of lactose intolerance on milk consumption...
May 2017: Current Gastroenterology Reports
https://www.readbyqxmd.com/read/28420303/juvenile-papillomatosis-swiss-cheese-disease-of-breast-in-an-adult-male-with-sequential-diagnoses-of-ipsilateral-intraductal-invasive-and-widely-metastatic-carcinoma-a-case-report-and-review-of-the-disease-in-males
#10
Kartik Viswanathan, Brian McMillen, Esther Cheng, Timothy D'Alfonso, Ami Patel, Syed A Hoda
Juvenile papillomatosis of the breast (JPB, also known as Swiss cheese disease) is a rare ailment that typically afflicts young females, and presents as a mass-forming lesion. The lesional mass usually comprises multiple cysts and duct stasis, amid a variety of proliferative and nonproliferative epithelial changes. The proliferative changes include papillary hyperplasia, florid hyperplasia, and papillary apocrine hyperplasia. Concurrent carcinoma (either in situ or invasive) is present in approximately 10% of cases at presentation, and subsequent carcinoma (either in situ or invasive) is diagnosed in about 10% of patients...
April 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28419503/comparison-of-the-quantitative-dry-culture-methods-with-both-conventional-media-and-most-probable-number-method-for-the-enumeration-of-coliforms-and-escherichia-coli-coliforms-in-food
#11
Hajime Teramura, Kojiro Sota, Mihoko Iwasaki, Hirokazu Ogihara
Sanita-kun(™) CC (coliform count) and EC (Escherichia coli/coliform count), sheet quantitative culture systems which can avoid chromogenic interference by lactase in food, were evaluated in comparison with conventional methods for these bacteria. Based on the results of inclusivity and exclusivity studies using 77 microorganisms, sensitivity and specificity of both Sanita-kun(™) met the criteria for ISO 16140. Both media were compared with deoxycholate agar, violet red bile agar, Merck Chromocult(™) coliform agar (CCA), 3M Petrifilm(™) CC and EC (PEC), and 3-tube MPN, as reference methods, in 100 naturally contaminated food samples...
April 17, 2017: Letters in Applied Microbiology
https://www.readbyqxmd.com/read/28416886/optimization-of-reuterin-production-in-cheese-by-lactobacillus-reuteri
#12
Izaskun Martín-Cabrejas, Susana Langa, Pilar Gaya, Eva Rodríguez, José M Landete, Margarita Medina, Juan L Arqués
Cheeses manufactured from pasteurized milk supplemented with glycerol and reuterin-producing Lactobacillus reuteri INIA P572 as adjunct to the commercial starter culture were analysed in order to optimize a biopreservation strategy. The highest reuterin concentration determined by a colorimetric assay was detected on day 1 in cheeses with 100-500 mM glycerol. The presence of reuterin was confirmed by a direct detection technique as HPLC. Cheeses made with L. reuteri and 200 or 500 mM glycerol showed a red tendency in color in comparison with control...
April 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28416878/imitation-of-soymilk-cow-s-milk-mixed-enzyme-modified-cheese-their-composition-proteolysis-lipolysis-and-sensory-properties
#13
Barkat Ali, Kiran Yasmin Khan, Hamid Majeed, Lei Xu, Fengfeng Wu, Han Tao, Xueming Xu
Combined use of soymilk-cow's milk is a novel approach in food industry and has great potential to developed products with numerous health benefits. This study aimed to develop the enzyme-modified cheeses (EMCs) using soymilk-cow's milk. The curd was hydrolysed using combination of proteinases/peptidase to produce a range of proteolysed products followed by lipolysis to create flavoured EMCs. Results showed that enzymes led to an increase in amino acids (AA), free fatty acids (FFA), complex volatiles, and improved sensory attributes...
April 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28410796/-improving-diet-quality-in-children-through-a-new-nutritional-education-programme-infadimed
#14
Maria Del Mar Bibiloni, Jordi Fernández-Blanco, Noemí Pujol-Plana, Núria Martín-Galindo, Maria Mercè Fernández-Vallejo, Mariona Roca-Domingo, Juan Chamorro-Medina, Josep A Tur
OBJECTIVE: To assess the results of a nutritional education programme developed by using available local resources to improve diet quality and decrease overweight and obesity prevalence among children. METHOD: A longitudinal intervention study by means of nutritional education (INFADIMED) in children (aged 3-7 years) from Vilafranca del Penedès (Barcelona, Spain), recruited from preschool centres and primary schools, with an intervention or INFADIMED group (n=319; 50...
April 11, 2017: Gaceta Sanitaria
https://www.readbyqxmd.com/read/28410055/olfactory-recognition-based-on-eeg-gamma-band-activity
#15
Onder Aydemir
There are various kinds of brain monitoring techniques, including local field potential, near-infrared spectroscopy, magnetic resonance imaging (MRI), positron emission tomography, functional MRI, electroencephalography (EEG), and magnetoencephalography. Among those techniques, EEG is the most widely used one due to its portability, low setup cost, and noninvasiveness. Apart from other advantages, EEG signals also help to evaluate the ability of the smelling organ. In such studies, EEG signals, which are recorded during smelling, are analyzed to determine the subject lacks any smelling ability or to measure the response of the brain...
April 14, 2017: Neural Computation
https://www.readbyqxmd.com/read/28407938/eventual-limits-of-the-current-eu-official-method-for-evaluating-milk-adulteration-of-water-buffalo-dairy-products-and-potential-proteomic-solutions
#16
Simonetta Caira, Maria Adalgisa Nicolai, Sergio Lilla, Maria Grazia Calabrese, Gabriella Pinto, Andrea Scaloni, Lina Chianese, Francesco Addeo
The European reference method (ERM) recognises the fraudulent addition of bovine (B) milk in water buffalo (WB) milk/dairy products based on concomitant isoelectric focusing (IEF) detection of B γ2- and γ3-CN fragments after corresponding plasminolysis. We here used proteomics to characterise false positive results occurring in the ERM as being due to WB β-CN(f100-209), which is also formed after plasminolysis of genuine WB milk/dairy products and comigrates in IEF with B γ2-CN. These ERM limitations were overcome by a dedicated proteomic procedure based on loading of B/WB milk/cheese CN extracts on a hydroxyapatite column, in situ trypsinolysis and elution of B β-CN(f1-25)4P and WB β-CN(f1-28)4P proteotypic peptides...
September 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28407924/validated-method-for-the-determination-of-propane-1-2-diol-butane-2-3-diol-and-propane-1-3-diol-in-cheese-and-bacterial-cultures-using-phenylboronic-esterification-and-gc-ms
#17
René Badertscher, Carola Freiburghaus, Daniel Wechsler, Stefan Irmler
A simple, fast, sensitive, and robust gas chromatography-mass spectrometry (GC-MS) method for the simultaneous determination of propane-1,2-diol, butane-2,3-diol, and propane-1,3-diol in cheese and bacterial cultures was developed. Target analytes were extracted and transformed into their phenylboronic esters prior to analysis. The method showed good sensitivity, without carryover between the samples. The detection limits for propane-1,2-diol, butane-2,3-diol, and propane-1,3-diol in cheese samples were 0.26, 0...
September 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28407090/foods-and-beverages-and-colorectal-cancer-risk-a-systematic-review-and-meta-analysis-of-cohort-studies-an-update-of-the-evidence-of-the-wcrf-aicr-continuous-update-project
#18
A R Vieira, L Abar, Dsm Chan, S Vingeliene, E Polemiti, C Stevens, D Greenwood, T Norat
Objective: As part of the World Cancer Research Fund International Continuous Update Project, we updated the systematic review and meta-analysis of prospective studies to quantify the dose-response between foods and beverages intake and colorectal cancer risk. Data Sources: PubMed and several databases up to May 31 st 2015. Study selection: Prospective studies reporting adjusted relative risk estimates for the association of specific food groups and beverages and risk of colorectal, colon and rectal cancer...
April 12, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28406170/identification-of-proteins-involved-in-the-anti-inflammatory-properties-of-propionibacterium-freudenreichii-by-means-of-a-multi-strain-study
#19
Stéphanie-Marie Deutsch, Mahendra Mariadassou, Pierre Nicolas, Sandrine Parayre, Rozenn Le Guellec, Victoria Chuat, Vincent Peton, Caroline Le Maréchal, Julien Burati, Valentin Loux, Valérie Briard-Bion, Julien Jardin, Coline Plé, Benoît Foligné, Gwénaël Jan, Hélène Falentin
Propionibacterium freudenreichii, a dairy starter, can reach a population of almost 10(9) propionibacteria per gram in Swiss-type cheese at the time of consumption. Also consumed as a probiotic, it displays strain-dependent anti-inflammatory properties mediated by surface proteins that induce IL-10 in leukocytes. We selected 23 strains with varied anti-inflammatory potentials in order to identify the protein(s) involved. After comparative genomic analysis, 12 of these strains were further analysed by surface proteomics, eight of them being further submitted to transcriptomics...
April 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28404576/whole-dairy-matrix-or-single-nutrients-in-assessment-of-health-effects-current-evidence-and-knowledge-gaps
#20
Tanja Kongerslev Thorning, Hanne Christine Bertram, Jean-Philippe Bonjour, Lisette de Groot, Didier Dupont, Emma Feeney, Richard Ipsen, Jean Michel Lecerf, Alan Mackie, Michelle C McKinley, Marie-Caroline Michalski, Didier Rémond, Ulf Risérus, Sabita S Soedamah-Muthu, Tine Tholstrup, Connie Weaver, Arne Astrup, Ian Givens
Foods consist of a large number of different nutrients that are contained in a complex structure. The nature of the food structure and the nutrients therein (i.e., the food matrix) will determine the nutrient digestion and absorption, thereby altering the overall nutritional properties of the food. Thus, the food matrix may exhibit a different relation with health indicators compared to single nutrients studied in isolation. The evidence for a dairy matrix effect was presented and discussed by an expert panel at a closed workshop, and the following consensus was reached: 1) Current evidence does not support a positive association between intake of dairy products and risk of cardiovascular disease (i...
April 12, 2017: American Journal of Clinical Nutrition
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