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https://www.readbyqxmd.com/read/28101943/stability-of-color-in-spanish-style-green-table-olives-pasteurized-and-stored-in-plastic-containers
#1
Antonio Higinio Sánchez, Antonio López-López, Víctor Manuel Beato, Antonio de Castro, Alfredo Montaño
BACKGROUND: There is an increasing interest in the use of pasteurizable plastic packaging by the olive industry. In order to investigate the change from traditional glass or varnished can containers to plastic packaging, the proper plastic material that is compatible with fermented olives while maintaining color quality during pasteurization treatment and storage must be selected. This work is focused on color stability in two distinct pasteurizable plastic containers with different oxygen permeability...
January 19, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28100307/the-kl24-gene-cluster-and-a-genomic-island-encoding-a-wzy-polymerase-contribute-genes-needed-for-synthesis-of-the-k24-capsular-polysaccharide-by-the-multiply-antibiotic-resistant-acinetobacter-baumannii-isolate-rch51
#2
Johanna J Kenyon, Anastasiya A Kasimova, Mikhail Shneider, Alexander S Shashkov, Nikolay P Arbatsky, Anastasiya V Popova, Konstantin A Miroshnikov, Ruth M Hall, Yuriy A Knirel
The whole genome sequence of the multiply antibiotic resistant Acinetobacter baumannii isolate RCH51 belonging to sequence type ST103 (Institut Pasteur scheme) revealed that the set of genes at the capsule locus, KL24, includes four genes predicted to direct the synthesis of 3-acetamido-3,6-dideoxy-D-galactose (D-Fuc3NAc) and this sugar was found in the capsular polysaccharide (CPS). One of these genes, fdtE, encodes a novel bifunctional protein with an N-terminal FdtA 3,4-ketoisomerase domain and a C-terminal acetyltransferase domain...
January 17, 2017: Microbiology
https://www.readbyqxmd.com/read/28097384/stress-response-physiology-of-thermophiles
#3
REVIEW
Preeti Ranawat, Seema Rawat
Thermo (or hyperthermo) philic microorganisms are ubiquitous having a wide range of habitats from freshly fallen snow to pasteurized milk to geothermal areas like hot springs. The variations in physicochemical conditions, viz., temperature, pH, nutrient availability and light intensity in the habitats always pose stress conditions for the inhabitants leading to slow growth or cell death. The industrial processes used for harvesting secondary metabolites such as enzymes, toxins and organic acids also create stressed environments for thermophiles...
January 17, 2017: Archives of Microbiology
https://www.readbyqxmd.com/read/28092821/efficacy-of-vacuum-steam-pasteurization-for-inactivation-of-salmonella-pt-30-escherichia-coli-o157-h7-and-enterococcus-faecium-on-low-moisture-foods
#4
Manoj K Shah, Gladys Asa, Julie Sherwood, Kari Graber, Teresa M Bergholz
Low moisture foods such as nuts, spices, and seeds have been implicated in several outbreaks due to Salmonella or E. coli O157:H7 contamination. Such foods may be consumed raw, and can be used as ingredients in other food products. While numerous thermal inactivation studies have been conducted for Salmonella on nuts, studies on other seeds and grains are minimal. Product water activity can influence the thermal resistance of pathogens, where thermal resistance increases as water activity decreases, leading to a requirement for higher temperatures and longer exposure times to achieve significant reduction of pathogen numbers...
January 6, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28088421/the-influence-of-ultra-pasteurization-by-indirect-heating-versus-direct-steam-injection-on-skim-and-2-fat-milks
#5
A P Lee, D M Barbano, M A Drake
Fluid milk is traditionally pasteurized by high temperature, short time (HTST) pasteurization, which requires heating to at least 72°C for 15 s. Ultra-pasteurization (UP) extends milk shelf life and is defined as heating to at least 138°C for 2 s. The UP process can be done by indirect heating (IND) or by direct steam injection (DSI). The influence of these 2 UP methods on milk flavor has not been widely investigated. The objective of this study was to compare the effect of HTST, IND-UP, and DSI-UP on sensory perception of fluid milk...
January 11, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28088419/hexanal-as-biomarker-for-milk-oxidative-stress-induced-by-copper-ions
#6
Mohammad Asaduzzaman, Franco Biasioli, Maria Stella Cosio, Matteo Schampicchio
Milk flavor varies greatly due to its oxidative stress during storage. Several studies have documented the use of volatile biomarkers for determining milk oxidation, but only a few have focused on the development of inline procedures enabling the monitoring of milk oxidative stress. In this work, oxidative stress was induced in pasteurized milk samples by spiking increasing concentrations of copper ions (from 0 to 32 mg·L(-1)). During storage (4°C), hexanal evolution was monitored by a proton transfer reaction mass spectrometer...
January 11, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28088062/a-retrospective-audit-of-bacterial-culture-results-of-donated-human-milk-in-perth-western-australia
#7
Yahya Almutawif, Benjamin Hartmann, Megan Lloyd, Wendy Erber, Donna Geddes
INTRODUCTION: The bacterial content of donated human milk is either endogenous or introduced via contamination. Defining milk bank bacterial content will allow researchers to devise appropriate tests for significant and commonly encountered organisms. OBJECTIVE: A retrospective audit was conducted on data recorded from the Perron Rotary Express Milk Bank, King Edward Memorial Hospital, Subiaco, Western Australia. This aimed to describe the incidence of bacterial species detected in donated human milk and to identify potentially pathogenic bacteria...
January 11, 2017: Early Human Development
https://www.readbyqxmd.com/read/28078409/determination-of-molecular-size-parameters-and-quantification-of-polyacrylic-acid-by-high-performance-size-exclusion-chromatography-with-triple-detection
#8
Jean-François Cotte, Afifa Bouadam, Agathe Sordoillet, Isabelle Jaudinaud, Véronique Chambon, Philippe Talaga
Synthetic polyelectrolytes are a broad class of vaccine adjuvants. Among them, polyacrylic acid (PAA), a polyanionic polymer, is currently evaluated by Sanofi Pasteur. As chain length is considered to be a critical quality attribute for adjuvant properties of PAA, measurement of precise and accurate molecular size parameters is important for these polymers. In the field of synthetic polymer chemistry, methods for determination of molecular size parameters are well defined. Specifically, high performance size-exclusion chromatography (HPSEC) with multi-detection system is a method of choice...
January 11, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28069064/pasteurized-autograft-reconstruction-after-resection-of-periacetabular-malignant-bone-tumours
#9
Xiaoning Guo, Xiaoyang Li, Tang Liu, Cijun Shuai, Qing Zhang
BACKGROUND: The treatment of periacetabular malignant bone tumours is challenging. Many methods of reconstruction after internal hemipelvectomy have been reported and each method has its own limitations. The aim of this study was to evaluate the oncological and functional outcomes of pasteurized autograft reconstruction after resection of periacetabular malignant bone tumours. METHODS: Ten patients (six male, four female) with periacetabular malignant tumours, who underwent resection and reconstruction with pasteurized autograft, were retrospectively reviewed...
January 9, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28067811/knowledge-and-attitudes-towards-handling-eggs-in-the-home-an-unexplored-food-safety-issue
#10
Harriet Whiley, Beverley Clarke, Kirstin Ross
Foodborne illness is a global public health issue, with food handling in the home identified as an underestimated source. In Australia, there has been a significant increase in the incidence of salmonellosis with the majority of outbreaks linked to eggs. This study investigated Australian eggs consumer attitudes, behaviours and risk perceptions associated with the handling of raw eggs in the home. It was identified that 67% of participants chose free range eggs, 11% kept poultry, 7% did not have any preference, 7% cage eggs, 4% barn eggs, 2% organic eggs and 1% pasteurized eggs...
January 6, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28065212/hospital-acquired-listeriosis-linked-to-a-persistently-contaminated-milkshake-machine
#11
E Mazengia, V Kawakami, K Rietberg, M Kay, P Wyman, C Skilton, A Aberra, J Boonyaratanakornkit, A P Limaye, S A Pergam, E Whimbey, R J Olsen-Scribner, J S Duchin
One case of hospital-acquired listeriosis was linked to milkshakes produced in a commercial-grade shake freezer machine. This machine was found to be contaminated with a strain of Listeria monocytogenes epidemiologically and molecularly linked to a contaminated pasteurized, dairy-based ice cream product at the same hospital a year earlier, despite repeated cleaning and sanitizing. Healthcare facilities should be aware of the potential for prolonged Listeria contamination of food service equipment. In addition, healthcare providers should consider counselling persons who have an increased risk for Listeria infections regarding foods that have caused Listeria infections...
January 9, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28059778/rational-design-of-vaccine-targets-and-strategies-for-hiv-a-crossroad-of-statistical-physics-biology-and-medicine
#12
Arup K Chakraborty, John Barton
Vaccination has saved more lives than any other medical procedure. Pathogens have now evolved that have not succumbed to vaccination using the empirical paradigms pioneered by Pasteur and Jenner. Vaccine design strategies that are based on a mechanistic understanding of the pertinent immunology and virology are required to confront and eliminate these scourges. In this perspective, we describe just a few examples of work aimed to achieve this goal by bringing together approaches from statistical physics with biology and clinical research...
January 6, 2017: Reports on Progress in Physics
https://www.readbyqxmd.com/read/28052887/impact-of-human-milk-pasteurization-on-gastric-digestion-in-preterm-infants-a-randomized-controlled-trial
#13
Samira C de Oliveira, Amandine Bellanger, Olivia Ménard, Patrick Pladys, Yann Le Gouar, Emelyne Dirson, Florian Kroell, Didier Dupont, Amélie Deglaire, Claire Bourlieu
BACKGROUND: Holder pasteurization has been reported to modify human milk composition and structure by inactivating bile salt-stimulated lipase (BSSL) and partially denaturing some of its proteins, potentially affecting its subsequent digestion. OBJECTIVE: We sought to determine the impact of human milk pasteurization on gastric digestion (particularly for proteins and lipids) in preterm infants who were fed their mothers' own milk either raw or pasteurized. DESIGN: In a randomized controlled trial, 12 hospitalized tube-fed preterm infants were their own control group in comparing the gastric digestion of raw human milk (RHM) with pasteurized human milk (PHM)...
January 4, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28043568/isolation-and-molecular-identification-of-mycobacterium-from-commercially-available-pasteurized-milk-and-raw-milk-samples-collected-from-two-infected-cattle-farms-in-alborz-province-iran
#14
Mohsen Eftekhari, Nader Mosavari
OBJECTIVE/BACKGROUND: Mycobacterium avium subsp. paratuberculosis (MAP) is an etiological agent of Johne's disease in ruminant including cattle, sheep and goats. This disease is considered an economically important disease in cattle. Animals with paratuberculosis shed viable MAP, particularly in their milk and feces. MAP may be involved in the development of Crohn's disease in humans through the consumption of contaminated milk and dairy products. Common methods of pasteurization are not enough to kill all MAP present in the milk and the bacterium has been isolated from raw milk, pasteurized milk and cheese samples...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28043545/molecular-identification-of-mycobacterium-tuberculosis-complex-isolated-by-region-of-differentiation-rd-typing-from-tuberculosis-patients-in-khorasan-razavi
#15
Marjan Jalalimehr, Nader Mosavari, Saman Soleimanpour
OBJECTIVE/BACKGROUND: Tuberculosis has long been recognized as a zoonotic disease and remains one of the most life-threatening diseases worldwide. In spite of the successful treatment of this disease, the World Health Organization considers it as a disease with the highest priority in 1993, and it is now the second leading cause of infectious mortality. Since the identification of Mycobacterium tuberculosis complex species is of special importance, the aim of this study was to identify the species from the submitted mycobacterial isolates of tuberculars in Khorasan Razavi sent to the cell reference laboratory of Razavi Institute by the molecular method...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28043530/rapid-detection-of-mycobacterium-tuberculosis-complex-in-sputum-samples-using-pure-tb-lamp-assay
#16
K N'guessan, K Horo, I Coulibaly, J Adegbele, N Kouame-Adjei, H Seck-Angu, A Guei, J Kouakou, M Dosso
OBJECTIVE/BACKGROUND: Lack of rapid and accurate diagnostic testing is a critical obstacle to global tuberculosis (TB) control. Sensitivity of sputum smear microscopy (SSM) is not optimal; however, it remains the most prevalent tool for TB confirmation in poor countries. As a part of passive case finding of TB detection, this study was conducted to determine the clinical performance of PURE TB-LAMP assay using liquid culture medium as the gold standard. METHODS: Centre Antituberculeux de Yopougon is one of the 17 intermediate Tuberculosis centers in Côte d'Ivoire...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28043221/adverse-events-following-immunisation-with-bacille-calmette-gu%C3%A3-rin-vaccination-baseline-data-to-inform-monitoring-in-australia-following-introduction-of-new-unregistered-bcg-vaccine
#17
Alexandra J Hendry, Aditi Dey, Frank H Beard, Gulam Khandaker, Richard Hill, Kristine K Macartney
In recent years there has been a global shortage of bacille Calmette-Guérin (BCG) vaccine and, from September 2012, unregistered vaccines have needed to be used in Australia (a Danish product initially until the end of 2015, and a Polish product used in some jurisdictions from early 2016). We examined rates and types of adverse events following immunisation (AEFI) with BCG vaccine reported to the Therapeutic Goods Administration between 2009 and 2014 in children aged less than 7 years. Reporting rates of AEFI with BCG vaccine increased from 87 per 100,000 doses (registered Sanofi Pasteur product) in 2009 to 201 per 100,000 doses (unregistered Danish Statens Serum Institute product) in 2014, with Victoria having the highest rate each year...
December 24, 2016: Communicable Diseases Intelligence Quarterly Report
https://www.readbyqxmd.com/read/28040174/evaluating-the-efficacy-of-beef-slaughter-line-interventions-by-quantifying-the-six-major-non-o157-shiga-toxin-producing-escherichia-coli-serogroups-using-real-time-multiplex-pcr
#18
Kaushi S T Kanankege, Kelly S Anklam, Catherine M Fick, Megan J Kulow, Charles W Kaspar, Barbara H Ingham, Andrew Milkowski, Dörte Döpfer
Six major Shiga toxin producing Escherichia coli (STEC) serogroups: O26, O103, O145, O111, O121, and O45 have been declared as adulterants in federally inspected raw beef in the USA effective June 4th, 2012 in addition to the routinely tested STEC O157: H7. This study tests a real-time multiplex PCR assay and pooling of the samples to optimize the detection and quantification (prevalence and contamination) of six major non-O157 STEC, regardless of possessing Shiga toxins. To demonstrate the practicality, one large-scale slaughter plant (Plant LS) and one small-scale slaughter plant (Plant SS) located in the Mid-Western USA were sampled, in 2011, before the establishment of 2013 USDA laboratory protocols...
May 2017: Food Microbiology
https://www.readbyqxmd.com/read/28034306/influence-of-maternal-breast-milk-ingestion-on-acquisition-of-the-intestinal-microbiome-in-preterm-infants
#19
Katherine E Gregory, Buck S Samuel, Pearl Houghteling, Guru Shan, Frederick M Ausubel, Ruslan I Sadreyev, W Allan Walker
BACKGROUND: The initial acquisition and early development of the intestinal microbiome during infancy are important to human health across the lifespan. Mode of birth, antibiotic administration, environment of care, and nutrition have all been shown to play a role in the assembly of the intestinal microbiome during early life. For preterm infants, who are disproportionately at risk of inflammatory intestinal disease (i.e., necrotizing enterocolitis), a unique set of clinical factors influence the establishment of the microbiome...
December 30, 2016: Microbiome
https://www.readbyqxmd.com/read/28024897/optimization-of-the-anaerobic-co-digestion-of-pasteurized-slaughterhouse-waste-pig-slurry-and-glycerine
#20
Ángela Rodríguez-Abalde, Xavier Flotats, Belén Fernández
The feasibility of co-digestion of blends of two different animal by-products (pig manure and pasteurized slaughterhouse waste) and recovered glycerine was studied in mesophilic conditions. Experiments were performed in a lab-scale CSTR along 490days, with a hydraulic retention time of 21-33days and with a step-wise increased organic loading rate, by adding and/or changing the wastes ratio, from 0.8 to 3.2kgCODm(-3)d(-1). The best methane production rate (0.64Nm(3)CH4m(-3)d(-1)) represented an increment of 2...
December 23, 2016: Waste Management
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