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Phosphate food

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https://www.readbyqxmd.com/read/28922027/further-evidence-of-how-unbuffered-starvation-at-4%C3%A2-c-influences-listeria-monocytogenes-egd-e-hcc23-f2365-and-scott-a
#1
Nathan A Jarvis, Corliss A O'Bryan, Elizabeth M Martin, Steven C Ricke, Michael G Johnson, Philip G Crandall
The soilborne pathogen Listeria monocytogenes frequently contaminates food products and food processing environments and is able to survive desiccation, high osmotic pressures, and starvation. However, little is known about how this pathogen survives starvation at 4°C. This study provides evidence that L. monocytogenes is able to survive total nutrient starvation for 4 weeks. L. monocytogenes strains EGD-e, Scott A, F2365, and HCC23 were starved individually in sterile water. Colony counts declined over 4 weeks, with Scott A declining the most rapidly...
September 18, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28919688/vaccination-with-salmonella-typhi-recombinant-outer-membrane-protein-28-induces-humoral-but-non-protective-immune-response-in-rabbit
#2
Anjani Saxena, Rajesh Kumar, Mumtesh Kumar Saxena
AIM: Typhoid is one of the most important food and water borne disease causing millions of deaths over the world. Presently, there is no cost effective vaccine available in India. The outer-membrane proteins (Omps) of Salmonella have been exhibited as a potential candidate for development of subunit vaccine against typhoid. The objective of the present study was to evaluate the use of recombinant Omp 28 protein for immunization of rabbit to elucidate its protection against virulent Salmonella Typhi...
August 2017: Veterinary World
https://www.readbyqxmd.com/read/28917900/mineralized-agar-based-nanocomposite-films-potential-food-packaging-materials-with-antimicrobial-properties
#3
Ivana Malagurski, Steva Levic, Aleksandra Nesic, Miodrag Mitric, Vladimir Pavlovic, Suzana Dimitrijevic-Brankovic
New mineralized, agar-based nanocomposite films (Zn-carbonate and Zn-phosphate/agar) were produced by a combination of in situ precipitation and a casting method. The presence of minerals significantly influenced the morphology, properties and functionality of the obtained nanocomposites. Reinforcement with the Zn-mineral phase improved the mechanical properties of the carbonate-mineralized films, but had a negligible effect on the phosphate-mineralized samples. Both nanocomposites showed improved optical and thermal properties, better Zn(II) release potential in a slightly acidic environment and exhibited antimicrobial activity against S...
November 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28912874/dietary-vitamin-b6-modulates-the-gene-expression-of-myokines-nrf2-related-factors-myogenin-and-hsp60-in-the-skeletal-muscle-of-rats
#4
Sofya Suidasari, Shinji Uragami, Noriyuki Yanaka, Norihisa Kato
Previous studies have suggested that vitamin B6 is an ergogenic factor. However, the role of dietary vitamin B6 in skeletal muscle has not been widely researched. The aim of the present study was to investigate the effects of dietary vitamin B6 on the gene expression of 19 myokines, 14 nuclear factor erythroid 2-related factor 2 (Nrf2)-regulated factors, 8 myogenesis-related factors and 4 heat shock proteins (HSPs), which may serve important roles in skeletal muscles. Rats were fed a diet containing 1 (marginal vitamin B6 deficiency), 7 (recommended dietary level) or 35 mg/kg of pyridoxine (PN) HCl/ for 6 weeks...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28910649/recovery-of-phosphorus-and-volatile-fatty-acids-from-wastewater-and-food-waste-with-an-iron-flocculation-sequencing-batch-reactor-and-acidogenic-co-fermentation
#5
Ruo-Hong Li, Xiao-Yan Li
A sequencing batch reactor-based system was developed for enhanced phosphorus (P) removal and recovery from municipal wastewater. The system consists of an iron-dosing SBR for P precipitation and a side-stream anaerobic reactor for sludge co-fermentation with food waste. During co-fermentation, sludge and food waste undergo acidogenesis, releasing phosphates under acidic conditions and producing volatile fatty acids (VFAs) into the supernatant. A few types of typical food waste were investigated for their effectiveness in acidogenesis and related enzymatic activities...
September 11, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28900759/efficacy-and-safety-of-sevelamer-carbonate-in-hyperphosphatemic-pediatric-patients-with-chronic-kidney-disease
#6
Sahar Fathallah-Shaykh, Dorota Drozdz, Joseph Flynn, Randall Jenkins, Katherine Wesseling-Perry, Sarah J Swartz, Craig Wong, Beverly Accomando, Gerald F Cox, Bradley A Warady
BACKGROUND: Treatment for hyperphosphatemia in chronic kidney disease (CKD) involves dietary control of phosphorus intake, dialysis, and treatment with oral phosphate binders, none of which were approved by the Federal Food and Drug Administration in pediatric patients at the time of this study. METHODS: This was a phase 2, multicenter study (NCT01574326) with a 2-week, randomized, placebo-controlled, fixed-dose period (FDP) followed by a 6-month, single-arm, open-label, dose-titration period (DTP), with the aim to evaluate the safety and efficacy of sevelamer carbonate (SC) in hyperphosphatemic pediatric patients with CKD...
September 12, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28899391/mixomics-analysis-of-bacillus-subtilis-effect-of-oxygen-availability-on-riboflavin-production
#7
Junlang Hu, Pan Lei, Ali Mohsin, Xiaoyun Liu, Mingzhi Huang, Liang Li, Jianhua Hu, Haifeng Hang, Yingping Zhuang, Meijin Guo
BACKGROUND: Riboflavin, an intermediate of primary metabolism, is one kind of important food additive with high economic value. The microbial cell factory Bacillus subtilis has already been proven to possess significant importance for the food industry and have become one of the most widely used riboflavin-producing strains. In the practical fermentation processes, a sharp decrease in riboflavin production is encountered along with a decrease in the dissolved oxygen (DO) tension. Influence of this oxygen availability on riboflavin biosynthesis through carbon central metabolic pathways in B...
September 12, 2017: Microbial Cell Factories
https://www.readbyqxmd.com/read/28891014/phosphate-arsenate-relations-to-affect-arsenic-concentration-in-plant-tissues-growth-and-antioxidant-efficiency-of-sunflower-helianthus-annuus-l-under-arsenic-stress
#8
Waqas Azeem, Muhammad Ashraf, Sher Muhammad Shahzad, Muhammad Imtiaz, Mumtaz Akhtar, Muhammad Shahid Rizwan
Relations between phosphate and arsenate are important but inconsistent to influence arsenic (As) phytotoxicity depending on many plant and soil factors. Present research aimed to investigate the phosphate and arsenate interactions in sunflower (Helianthus annuus L.) grown in alkaline calcareous soil for 18 weeks under natural environmental conditions at three arsenate [0 (As0), 40 (As40), and 80 (As80) mg As kg(-1) soil as sodium arsenate] and three phosphate [0 (P0), 100 (P100), and 200 (P200) mg P2O5 kg(-1) soil as diammonium phosphate] levels...
September 10, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28882039/metabolic-profiling-on-alternaria-toxins-and-components-of-xinjiang-jujubes-incubated-with-pathogenic-alternaria-alternata-and-alternaria-tenuissima-via-orbitrap-high-resolution-mass-spectrometry
#9
Dongqiang Hu, Yingying Fan, Yanglan Tan, Ye Tian, Na Liu, Lan Wang, Duoyong Zhao, Cheng Wang, Aibo Wu
Xinjiang jujubes (zizyphus rhamnaceae) are important agro-economically foods with the highest planting area and yields in China, however, black spot disease and contaminated Alternaria toxins have unfortunately caused decline or loss of jujubes nutritional quality in recent years. In this study, we used ultra-high performance liquid chromatography coupled to Orbitrap high-resolution mass spectrometry (UHPLC-Orbitrap HRMS) to profile both Alternaria toxins and components in three representative Xinjiang jujubes, Hami Huang (HM), Hetian Jun (HT) and Ruoqiang Hui (RQ)...
September 7, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28873677/effect-of-the-phytate-and-hydrogen-peroxide-chemical-modifications-on-the-physicochemical-and-functional-properties-of-wheat-starch
#10
Fusheng Sun, Jiannan Liu, Xiyan Liu, Yuesheng Wang, Kexiu Li, Junli Chang, Guangxiao Yang, Guangyuan He
To investigate the characteristics of chemically modified wheat starch, such as oxidized (OWS), cross-linked (CLWS) and dual-modified wheat starches, cross-linked oxidized (COWS) and oxidized cross-linked (OCWS) wheat starches were obtained by 12% hydrogen peroxide (H2O2) and 2% sodium phytate treatments, respectively. After modifications of wheat starch by cross-linking and oxidization, it was determined that native wheat starch was effectively modified with respect to the structure and physicochemical characteristics, as detected by Fourier transform infrared spectroscopy (FT-IR), differential scanning calorimetry (DSC), Rapid Visco Analyzer (RVA), scanning electron microscopy (SEM) and X-ray diffraction (XRD)...
October 2017: Food Research International
https://www.readbyqxmd.com/read/28872702/enhancement-of%C3%A2-l-phenylalanine-production-in-escherichia-coli-by-heterologous-expression-of-vitreoscilla-hemoglobin
#11
Wei-Bin Wu, Xiao-Lei Guo, Ming-Liang Zhang, Qing-Gen Huang, Feng Qi, Jian-Zhong Huang
L-phenylalanine is an important amino acid that is widely used in the production of food flavors and pharmaceuticals. Generally, L-phenylalanine production by engineered Escherichia coli requires a high rate of oxygen supply. However, the co-expression of Vitreoscilla hemoglobin gene (vgb), driven bya tac promoter, with the genes encoding 3-deoxy-D-arabinoheptulosonate-7-phosphate synthetase (aroF) and feedback-resistant chorismate mutase/prephenate dehydratase (pheA(fbr) ), led to increased productivity and decreased demand for aeration by E...
September 5, 2017: Biotechnology and Applied Biochemistry
https://www.readbyqxmd.com/read/28857170/dissecting-the-components-controlling-root-to-shoot-arsenic-translocation-in-arabidopsis-thaliana
#12
Chengcheng Wang, GunNam Na, Eduardo Sanchez Bermejo, Yi Chen, Jo Ann Banks, David E Salt, Fang-Jie Zhao
Arsenic (As) is an important environmental and food-chain toxin. We investigated the key components controlling As accumulation and tolerance in Arabidopsis thaliana. We tested the effects of different combinations of gene knockout, including arsenate reductase (HAC1), γ-glutamyl-cysteine synthetase (γ-ECS), phytochelatin synthase (PCS1) and phosphate effluxer (PHO1), and the heterologous expression of the As-hyperaccumulator Pteris vittata arsenite efflux (PvACR3), on As tolerance, accumulation, translocation and speciation in A...
August 31, 2017: New Phytologist
https://www.readbyqxmd.com/read/28846927/arsenic-distribution-in-a-pasture-area-impacted-by-past-mining-activities
#13
P Abad-Valle, E Álvarez-Ayuso, A Murciego, L M Muñoz-Centeno, P Alonso-Rojo, P Villar-Alonso
Former mine exploitations entail a serious threat to surrounding ecosystems as after closure of mining activities their unmanaged wastes can be a continuous source of toxic trace elements. Quite often these mine sites are found within agricultural farming areas, involving serious hazards as regards product (feed/food) quality. In this work a grazing land impacted by the abandoned mine exploitation of an arsenical deposit was studied so as to evaluate the fate of arsenic (As) and other trace elements and the potential risks involved...
August 25, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28842030/development-of-a-nanostructured-immunosensor-for-early-and-in-situ-detection-of-xanthomonas-arboricola-in-agricultural-food-production
#14
Matías Regiart, Martin Rinaldi-Tosi, Pedro R Aranda, Franco A Bertolino, Jhonny Villarroel-Rocha, Karim Sapag, Germán A Messina, Julio Raba, Martín A Fernández-Baldo
We report a microfluidic electrochemical immunosensor for Xanthomonas arboricola (XA) determination, based on the covalently immobilization of monoclonal anti-XA antibody (anti-XA) on a previously amino functionalized SBA-15 in situ synthesized in the central channel of a glass-poly(dimethylsiloxane) microfluidic immunosensor. The synthetized amino-SBA-15 was characterized by N2 adsorption-desorption isotherm, scanning electron microscopy and infrared spectroscopy. XA was detected by a direct sandwich immunoassay through an alkaline phosphatase (AP) enzyme-labeled anti-XA conjugate...
December 1, 2017: Talanta
https://www.readbyqxmd.com/read/28841980/electrochemical-enzyme-biosensors-based-on-calcium-phosphate-materials-for-tyramine-detection-in-food-samples
#15
Marta Sánchez-Paniagua López, Esther Redondo-Gómez, Beatriz López-Ruiz
Electrochemical tyrosinase biosensors for tyramine determination were developed by the immobilization of the enzyme in calcium phosphate materials (CaPs) followed by cross-linking with glutaraldehyde. Tyramine was detected by the electrochemical reduction at -0.1V of the o- enzymatically-formed dopaquinone. Three different CaPs were explored as immobilization systems, monetite, brushite and brushite cement. Biosensors based on brushite matrices provide better analytical properties than the monetite one. Compared to brushite, a 10-fold increase of sensitivity was obtained with the brushite cement-based biosensor, which highlights the effect of brushite crystal formation in the presence of the enzyme in the biosensor performance...
December 1, 2017: Talanta
https://www.readbyqxmd.com/read/28837070/mechanisms-of-antimicrobial-action-of-cinnamon-and-oregano-oils-cinnamaldehyde-carvacrol-2-5-dihydroxybenzaldehyde-and-2-hydroxy-5-methoxybenzaldehyde-against-mycobacterium-avium-subsp-paratuberculosis-map
#16
Stella W Nowotarska, Krzysztof Nowotarski, Irene R Grant, Christopher T Elliott, Mendel Friedman, Chen Situ
The antimicrobial modes of action of six naturally occurring compounds, cinnamon oil, cinnamaldehyde, oregano oil, carvacrol, 2,5-dihydroxybenzaldehyde, and 2-hydroxy-5-methoxybenzaldehyde, previously found to inhibit the growth of Mycobacterium avium subsp. paratuberculosis (Map) reported to infect food animals and humans and to be present in milk, cheese, and meat, were investigated. The incubation of Map cultures in the presence of all six compounds caused phosphate ions to leak into the extracellular environment in a time- and concentration-dependent manner...
August 24, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28825541/determination-of-bovine-lactoferrin-in-food-by-hplc-with-a-heparin-affinity-column-for-sample-preparation
#17
Yin Zhang, Fei Lou, Wei Wu, Xin Dong, Jia Ren, Qiuguang Shen
An HPLC method was developed for the quantitative determination of bovine lactoferrin (bLF) in sterilized milk, modified milk, fermented milk, infant formula, adult formula, rice cereal, vitamin function drink, and protein powder products. bLF was first extracted with a phosphate buffer (pH 8), underwent cleanup in a heparin affinity column, and was detected by HPLC with a C4 column and diode-array detector at a wavelength of 280 nm. The proposed method provided a linear detection range of 10.0-1000 μg/mL with an LOD of 0...
January 1, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28819768/maternal-obesity-is-associated-with-gut-microbial-metabolic-potential-in-offspring-during-infancy
#18
Tomás Cerdó, Alicia Ruiz, Ruy Jáuregui, Hatim Azaryah, Francisco José Torres-Espínola, Luz García-Valdés, M Teresa Segura, Antonio Suárez, Cristina Campoy
Children born to obese mothers are at increased risk for obesity, but the mechanisms behind this association are not fully understood. Our study aimed to investigate differences in the functions encoded by the microbiome of infants at 18 months of age when the transition from early infant-feeding to solid family foods is established. To investigate the impact of maternal prepregnancy body mass index on infants' gut microbiome, faecal samples from infants born to normoweight (n = 21) and obese mothers (n = 18) were analysed by 16S rRNA gene sequencing and a functional-inference-based microbiome analysis...
August 17, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28811130/comparative-study-on-stabilizing-ability-of-food-protein-non-ionic-surfactant-and-anionic-surfactant-on-bcs-type-ii-drug-carvedilol-loaded-nanosuspension-physicochemical-and-pharmacokinetic-investigation
#19
Tianjiao Geng, Parikshit Banerjee, Zhangdi Lu, Abdelmoumin Zoghbi, Tiantian Li, Bo Wang
Carvedilol (CAR) in its pure state has low aqueous solubility and extremely poor bioavailability which largely limit its clinical application. The aim of the study is to improve the dissolution rate and the bioavailability of CAR via preparing nanosuspensions with different stabilizers. Antisolvent precipitation-ultrasonication technique was used here. Attempts have been made to use food protein- Whey protein isolate (WPI) as a stabilizer in CAR loaded nanosuspension and also to compare its stabilizing potential with conventional nanosuspension stabilizers such as non-ionic linear copolymer-poloxamer 188 (PLX188) and anionic surfactant-sodium dodecyl sulfate (SDS)...
August 12, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28808723/plasma-metabolite-abundances-are-associated-with-urinary-enterolactone-excretion-in-healthy-participants-on-controlled-diets
#20
Fayth L Miles, Sandi L Navarro, Yvonne Schwarz, Haiwei Gu, Danijel Djukovic, Timothy W Randolph, Ali Shojaie, Mario Kratz, Meredith A J Hullar, Paul D Lampe, Marian L Neuhouser, Daniel Raftery, Johanna W Lampe
Enterolignans, products of gut bacterial metabolism of plant lignans, have been associated with reduced risk of chronic diseases, but their association with other plasma metabolites is unknown. We examined plasma metabolite profiles according to urinary enterolignan excretion in a cross-sectional analysis using data from a randomized crossover, controlled feeding study. Eighty healthy adult males and females completed two 28-day feeding periods differing by glycemic load, refined carbohydrate, and fiber content...
August 15, 2017: Food & Function
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