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https://www.readbyqxmd.com/read/28335478/lactational-stage-of-pasteurized-human-donor-milk-contributes-to-nutrient-limitations-for-infants
#1
Christina J Valentine, Georgia Morrow, Amanda Reisinger, Kelly A Dingess, Ardythe L Morrow, Lynette K Rogers
BACKGROUND: Mother's own milk is the first choice for feeding preterm infants, but when not available, pasteurized human donor milk (PDM) is often used. Infants fed PDM have difficulties maintaining appropriate growth velocities. To assess the most basic elements of nutrition, we tested the hypotheses that fatty acid and amino acid composition of PDM is highly variable and standard pooling practices attenuate variability; however, total nutrients may be limiting without supplementation due to late lactational stage of the milk...
March 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28335414/inhibition-of-listeria-monocytogenes-on-ready-to-eat-meats-using-bacteriocin-mixtures-based-on-mode-of-action
#2
Paul Priyesh Vijayakumar, Peter M Muriana
Bacteriocin-producing (Bac⁺) lactic acid bacteria (LAB) comprising selected strains of Lactobacillus curvatus, Lactococcus lactis, Pediococcus acidilactici, and Enterococcus faecium and thailandicus were examined for inhibition of Listeria monocytogenes during hotdog challenge studies. The Bac⁺ strains, or their cell-free supernatants (CFS), were grouped according to mode-of-action (MOA) as determined from prior studies. Making a mixture of as many MOAs as possible is a practical way to obtain a potent natural antimicrobial mixture to address L...
March 14, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28334540/-acute-kidney-injury-a%C3%A2-current-comprehensive-overview
#3
Štefan Sotak
Acute kidney injury (AKI) is a syndrome characterized by the rapid loss of the glomerular filtration (GF) with consecutive retention of nitrogen-containing substances. It includes conditions from mild injury with slight metabolic derangements to oligoanuric failure with life-threatening metabolic disruption. 130 subjects with this renal injury were hospitalized at the Ist Department of Internal Medicine of the University Hospital of Louis Pasteur and the Medical Faculty of the University of Pavol Jozef Šafárik in Košice in the Slovak Republic in the years 2013, 2014 and 2015...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/28327524/reducing-risk-of-salmonellosis-through-egg-decontamination-processes
#4
REVIEW
Thilini Piushani Keerthirathne, Kirstin Ross, Howard Fallowfield, Harriet Whiley
Eggs have a high nutritional value and are an important ingredient in many food products. Worldwide foodborne illnesses, such as salmonellosis linked to the consumption of eggs and raw egg products, are a major public health concern. This review focuses on previous studies that have investigated the procedures for the production of microbiologically safe eggs. Studies exploring pasteurization and decontamination methods were investigated. Gamma irradiation, freeze drying, hot air, hot water, infra-red, atmospheric steam, microwave heating and radiofrequency heating are all different decontamination methods currently considered for the production of microbiologically safe eggs...
March 22, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28317660/safety-tolerability-and-efficacy-of-intradermal-rabies-immunization-with-debioject%C3%A2
#5
Paul Vescovo, Nils Rettby, Nirinarilala Ramaniraka, Julie Liberman, Karen Hart, Astrid Cachemaille, Laurent-Dominique Piveteau, Reto Zanoni, Pierre-Alexandre Bart, Giuseppe Pantaleo
In a single-center study, 66 healthy volunteers aged between 18 and 50years were randomized to be immunized against rabies with three different injection routes: intradermal with DebioJect™ (IDJ), standard intradermal with classical needle (IDS), also called Mantoux method, and intramuscular with classical needle (IM). "Vaccin rabique Pasteur®" and saline solution (NaCl 0.9%) were administered at D0, D7 and D28. Antigen doses for both intradermal routes were 1/5 of the dose for IM. Tolerability, safety and induced immunogenicity of IDJ were compared to IDS and IM routes...
March 27, 2017: Vaccine
https://www.readbyqxmd.com/read/28314628/petit-high-pressure-carbon-dioxide-stress-increases-synthesis-of-s-adenosylmethionine-and-phosphatidylcholine-in-yeast-saccharomyces-cerevisiae
#6
Liyuan Niu, Kazuki Nomura, Hitoshi Iwahashi, Hiroyuki Matsuoka, Satoshi Kawachi, Yoshihisa Suzuki, Katsuhiro Tamura
Petit-High Pressure Carbon Dioxide (p-HPCD) is a promising nonthermal technology for foods pasteurization. Cluster analysis of gene expression profiles of Saccharomyces cerevisiae exposed to various stresses exhibited that gene expression profile for p-HPCD stress (0.5MPa, 25°C) was grouped into a cluster including profiles for Sodium Dodecyl Sulfate and Roundup herbicide. Both are detergents that can disorder membrane structurally and functionally, which suggests that cell membrane may be a target of p-HPCD stress to cause cell growth inhibition...
March 8, 2017: Biophysical Chemistry
https://www.readbyqxmd.com/read/28298698/high-pressure-processing-and-thermal-pasteurization-of-strawberry-pur%C3%A3-e-quality-parameters-and-shelf-life-evaluation-during-cold-storage
#7
Krystian Marszałek, Łukasz Woźniak, Sylwia Skąpska, Marta Mitek
This study was aimed at monitoring changes in the quality of strawberry purée preserved by high pressure processing (HPP) and thermal pasteurization (TP) during cold storage (6 °C) and determining its optimal storage period. The storage period of strawberry purée treated at 500 MPa, 50 °C, 15 min based on microbiological changes was 12 weeks. During this period, purée lost 32% of polyphenols, 73% of anthocyanins and entire vitamin C. Color changes described as dE increased up to 5.05 whereas the overall sensory quality decreased by 3 points on a 9-point scale...
March 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28298681/effects-of-thermal-processing-by-nanofluids-on-vitamin-c-total-phenolics-and-total-soluble-solids-of-tomato-juice
#8
S M Jafari, S S Jabari, D Dehnad, S A Shahidi
In this research, our main idea was to apply thermal processing by nanofluids instead of conventional pasteurization processes, to shorten duration of thermal procedure and improve nutritional contents of fruit juices. Three different variables of temperature (70, 80 and 90 °C), nanofluid concentration (0, 2 and 4%) and time (30, 60 and 90 s) were selected for thermal processing of tomato juices by a shell and tube heat exchanger. The results demonstrated that 4% nanofluid concentration, at 30 °C for 30 s could result in 66% vitamin C retention of fresh juice while it was about 56% for the minimum nanofluid concentration and maximum temperature and time...
March 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28298536/pasteurization-procedures-for-donor-human-milk-affect-body-growth-intestinal-structure-and-resistance-against-bacterial-infections-in-preterm-pigs
#9
Yanqi Li, Duc Ninh Nguyen, Marita de Waard, Lars Christensen, Ping Zhou, Pingping Jiang, Jing Sun, Anders Miki Bojesen, Charlotte Lauridsen, Jens Lykkesfeldt, Trine Kastrup Dalsgaard, Stine Brandt Bering, Per Torp Sangild
Background: Holder pasteurization (HP) destroys multiple bioactive factors in donor human milk (DM), and UV-C irradiation (UVC) is potentially a gentler method for pasteurizing DM for preterm infants.Objective: We investigated whether UVC-treated DM improves gut maturation and resistance toward bacterial infections relative to HP-treated DM.Methods: Bacteria, selected bioactive components, and markers of antioxidant capacity were measured in unpasteurized donor milk (UP), HP-treated milk, and UVC-treated milk (all from the same DM pool)...
March 15, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28295334/artisanal-sonoran-cheese-cocido-cheese-an-exploration-of-its-production-process-chemical-composition-and-microbiological-quality
#10
Paúl F Cuevas-González, Priscilia Y Heredia-Castro, José I Méndez-Romero, Adrián Hernández-Mendoza, Ricardo Reyes-Díaz, Belinda Vallejo-Cordoba, Aarón F González-Córdova
BACKGROUND: The objective of this study was to explore and document the production process of artisanal Cocido cheese and to determine its chemical composition and microbiological quality, considering samples from six dairies and four retailers. RESULTS: Cocido cheese is a semi-hard (506-555 g Kg(-1) of moisture), medium fat (178.3-219.1 g Kg(-1) ), pasta filata type cheese made from raw whole cow's milk. The production process is not standardized, and, therefore, the chemical and microbiological components of the sampled cheeses varied...
March 10, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28294173/the-effect-of-uht-processed-dairy-milk-on-cardio-metabolic-risk-factors
#11
C K Hansen, L Klingenberg, L B Larsen, J K Lorenzen, K V Sørensen, A Astrup
BACKGROUND/OBJECTIVES: Cardiovascular disease (CVD) remains a major cause of death worldwide. Whereas dairy generally is associated with a neutral or a beneficial CVD effect, the consumption of ultra-high temperature (UHT)-treated milk has been reported to increase levels of low-density lipoprotein cholesterol (LDL-C) in an uncontrolled study. Our aim was to examine whether semi-skimmed UHT dairy milk increases the risk of CVD development compared with pasteurized (PAST) dairy milk in overweight healthy adults...
March 15, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28290364/estimation-of-kinetic-parameters-of-anthocyanins-and-color-degradation-in-vitamin-c-fortified-cranberry-juice-during-storage
#12
Sunisa Roidoung, Kirk D Dolan, Muhammad Siddiq
Color degradation in cranberry juice during storage is the most common consumer complaint. To enhance nutritional quality, juice is typically fortified with vitamin C. This study determined effect of gallic acid, a natural antioxidant, for the preservation of anthocyanins (ACYs) and color, and estimated kinetics of ACYs and color degradation. Juice, fortified with 40-80mg/100mL vitamin C and 0-320mg/100mL gallic acid, was pasteurized at 85°C for 1min and stored at 23°C for 16days. Total monomeric anthocyanins and red color intensity were evaluated spectrophotometrically and data were used to determine degradation rate constants (k values) and order of reaction (n) of ACYs and color...
April 2017: Food Research International
https://www.readbyqxmd.com/read/28286068/efficacy-of-bacillus-calmette-guerin-strains-for-the-treatment-of-non-muscle-invasive-bladder-cancer-a-systematic-review-and-network-meta-analysis
#13
REVIEW
Brock E Boehm, John E Cornell, Hanzhang Wang, Neelam Mukherjee, Jacob S Oppenheimer, Robert S Svatek
PURPOSE: To determine the efficacy of genetically distinct Bacillus Calmette-Guérin (BCG) strains in preventing disease recurrence for patients with non-muscle invasive bladder cancer (NMIBC). EXPERIMENTAL DESIGN: We conducted a systematic review and network meta-analysis of trials evaluating BCG strains against all possible comparators (different BCG strains, chemotherapy, and non-BCG biologic therapies) and intravesical chemotherapy as the common comparator. MEDLINE served as the primary data source, with search from inception to October 2016 for clinical trials involving patients with NMIBC receiving BCG...
March 9, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28283525/molecular-viability-testing-of-uv-inactivated-bacteria
#14
Kris M Weigel, Felicia K Nguyen, Moira R Kearney, John S Meschke, Gerard A Cangelosi
The polymerase chain reaction (PCR) is effective at detecting bacterial DNA in samples, but it is unable to differentiate viable bacteria from inactivated cells or free DNA fragments. New PCR-based analytical strategies have been developed to address this limitation. Molecular viability testing (MVT) correlates bacterial viability with the ability to rapidly synthesize species-specific ribosomal RNA precursor (pre-rRNA) in response to brief nutritional stimulation. Previous studies demonstrated that MVT can assess bacterial inactivation by chlorine, serum, and low-temperature pasteurization...
March 10, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28271854/verification-of-radio-frequency-pasteurization-treatment-for-controlling-aspergillus-parasiticus-on-corn-grains
#15
Ajuan Zheng, Lihui Zhang, Shaojin Wang
Radio frequency (RF) heating has been proposed and tested to achieve a required anti-fungal efficacy on various food samples due to its advantage of deeper penetration depth and better heating uniformity. The purpose of this study was to validate applications of RF treatments for controlling Aspergillus parasiticus in corn while maintaining product quality. A pilot-scale, 27.12MHz, 6kW RF heating system together with hot air heating was used to rapidly pasteurize 3.0kg corn samples. Results showed that the pasteurizing effect of RF heating on Aspergillus parasiticus increased with increasing heating temperature and holding time, and RF heating at 70°C holding in hot air for at least 12min resulted in 5-6 log reduction of Aspergillus parasiticus in corn samples with the moisture content of 15...
March 1, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28271822/crystal-diagnostics-xpress-s-kit-for-the-rapid-detection-of-salmonella-spp-in-selected-food-matrixes
#16
Brian Bullard, Curtis H Stumpf, Weidong Zhao, Stephanie Kuzenko, Gary Niehaus
The Crystal Diagnostics (CDx) Xpress S Kit is a rapid- screening assay for <i>Salmonella</i> spp. in whole raw tomatoes, whole chicken c`arcasses, raw ground beef, raw beef trim, and whole liquid pasteurized eggs with citric acid when present at levels of 1 CFU/portion size. The Xpress S system comprises an automatic CDx Xpress Reader and a single-use CDx BioCassette that incorporates antibody-coupled microspheres and liquid crystal for the selective identification of the intended microbe. In internal evaluations, the CDx Xpress S Kit detected all 142 <i>Salmonella</i> strains tested, including non-<i>enterica</i> subspecies, and excluded all non-<i>Salmonella</i> species assayed...
March 7, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28270511/quantifying-intracellular-rates-of-glycolytic-and-oxidative-atp-production-and-consumption-using-extracellular-flux-measurements
#17
Shona A Mookerjee, Akos A Gerencser, David G Nicholls, Martin D Brand
Partitioning of ATP generation between glycolysis and oxidative phosphorylation is central to cellular bioenergetics but cumbersome to measure. We describe here how rates of ATP generation by each pathway can be calculated from simultaneous measurements of extracellular acidification and oxygen consumption. We update theoretical maximum ATP yields by mitochondria and cells catabolizing differ- ent substrates. Mitochondrial P/O ratios are 2.73 for oxidation of pyruvate plus malate and 1.64 for oxidation of succinate...
March 7, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28264286/comparative-larval-morphology-in-three-species-of-i-pleurodeles-i-urodela-salamandridae
#18
Daniel Escoriza, Jihène Ben Hassine
The Ribbed newts (genus Pleurodeles) are endemic to the Iberian Peninsula and northwest Africa (Raffaëlli 2013), and comprise three species: Pleurodeles nebulosus (Guichenot 1850), Pleurodeles poireti (Gervais 1836) and Pleurodeles waltl Michahelles 1830. Pleurodeles nebulosus is found in northern Algeria and Tunisia with an average size of 18 cm, while P. poireti is endemic to the Edough Massif, in northeastern Algeria and is the smallest species, with 12.9 cm in total length (Escoriza et al. 2016; Carranza & Wade 2004)...
March 1, 2017: Zootaxa
https://www.readbyqxmd.com/read/28241418/the-effect-of-simulated-flash-heat-pasteurization-on-immune-components-of-human-milk
#19
Brodie Daniels, Stefan Schmidt, Tracy King, Kiersten Israel-Ballard, Kimberly Amundson Mansen, Anna Coutsoudis
A pasteurization temperature monitoring system has been designed using FoneAstra, a cellphone-based networked sensing system, to monitor simulated flash-heat (FH) pasteurization. This study compared the effect of the FoneAstra FH (F-FH) method with the Sterifeed Holder method currently used by human milk banks on human milk immune components (immunoglobulin A (IgA), lactoferrin activity, lysozyme activity, interleukin (IL)-8 and IL-10). Donor milk samples (N = 50) were obtained from a human milk bank, and pasteurized...
February 22, 2017: Nutrients
https://www.readbyqxmd.com/read/28239032/effects-of-heat-treatment-on-conformation-and-cell-growth-activity-of-alpha-lactalbumin-and-beta-lactoglobulin-from-market-milk
#20
Mizuho Inagaki, Shuji Kawai, X Ijier, Mayuko Fukuoka, Tomio Yabe, Satoshi Iwamoto, Yoshihiro Kanamaru
Heat processes, low temperature for long time (LTLT) pasteurization and ultra-heat treatment (UHT) sterilization, are essential for commercial market milk to improve the shelf life of raw milk and ensure microbial safety. We evaluated the effects of heat experience on the molecular properties of α-lactalbumin (α-LA) and β-lactoglobulin (β-LG) isolated from four types of market milk such as LTLT-A (66°C for 30 min), LTLT-B (65°C for 30 min), UHT-I (130°C for 2 s, indirect heating) and UHT-D (135°C for 2 s, direct heating) samples...
2017: Biomedical Research
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