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Phosphate food

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https://www.readbyqxmd.com/read/28628402/calcium-bioavailability-from-mineral-waters-with-different-mineralization-in-comparison-to-milk-and-a-supplement
#1
Theresa Greupner, Inga Schneider, Andreas Hahn
OBJECTIVE: The aim of the present study was to compare the bioavailability of calcium from 3 mineral waters with different concentrations of minerals with that of milk and a calcium supplement. METHODS: A single-center, randomized controlled trial with a crossover design with 21 healthy men and women was conducted at the Institute of Food Science and Human Nutrition, Leibniz University Hannover. The participants consumed the 5 test products providing 300 mg of calcium each on 5 examination days with 1-week wash-out phases in between...
June 19, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28626450/microbial-phosphorus-solubilization-and-its-potential-for-use-in-sustainable-agriculture
#2
REVIEW
Elizabeth T Alori, Bernard R Glick, Olubukola O Babalola
The use of excess conventional Phosphorus (P) fertilizers to improve agricultural productivity, in order to meet constantly increasing global food demand, potentially causes surface and ground water pollution, waterway eutrophication, soil fertility depletion, and accumulation of toxic elements such as high concentration of selenium (Se), arsenic (As) in the soil. Quite a number of soil microorganisms are capable of solubilizing/mineralizing insoluble soil phosphate to release soluble P and making it available to plants...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28619110/effect-of-aspartic-acid-and-glutamate-on-metabolism-and-acid-stress-resistance-of-acetobacter-pasteurianus
#3
Haisong Yin, Renkuan Zhang, Menglei Xia, Xiaolei Bai, Jun Mou, Yu Zheng, Min Wang
BACKGROUND: Acetic acid bacteria (AAB) are widely applied in food, bioengineering and medicine fields. However, the acid stress at low pH conditions limits acetic acid fermentation efficiency and high concentration of vinegar production with AAB. Therefore, how to enhance resistance ability of the AAB remains as the major challenge. Amino acids play an important role in cell growth and cell survival under severe environment. However, until now the effects of amino acids on acetic fermentation and acid stress resistance of AAB have not been fully studied...
June 15, 2017: Microbial Cell Factories
https://www.readbyqxmd.com/read/28611748/microbial-metabolism-in-soil-at-subzero-temperatures-adaptation-mechanisms-revealed-by-position-specific-13-c-labeling
#4
Ezekiel K Bore, Carolin Apostel, Sara Halicki, Yakov Kuzyakov, Michaela A Dippold
Although biogeochemical models designed to simulate carbon (C) and nitrogen (N) dynamics in high-latitude ecosystems incorporate extracellular parameters, molecular and biochemical adaptations of microorganisms to freezing remain unclear. This knowledge gap hampers estimations of the C balance and ecosystem feedback in high-latitude regions. To analyze microbial metabolism at subzero temperatures, soils were incubated with isotopomers of position-specifically (13)C-labeled glucose at three temperatures: +5 (control), -5, and -20°C...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28611491/phytases-of-probiotic-bacteria-characteristics-and-beneficial-aspects
#5
REVIEW
P Priyodip, P Y Prakash, S Balaji
Probiotics play a vital role in clinical applications for the treatment of diarrhea, obesity and urinary tract infections. Phytate, an anti-nutrient, chelates essential minerals that are vital for human health. In the past few decades, research reports emphasize extensively on phytate degradation in animals. There is a growing need for finding alternate strategies of phytate utilization in human, as they are unable to produce phytase. At this juncture, probiotics can be utilized for phytase production to combat mineral deficiency in humans...
June 2017: Indian Journal of Microbiology
https://www.readbyqxmd.com/read/28607130/s1pr1-sphingosine-1-phosphate-receptor-1-signaling-regulates-blood-flow-and-pressure
#6
Anna Cantalupo, Antonella Gargiulo, Elona Dautaj, Catherine Liu, Yi Zhang, Timothy Hla, Annarita Di Lorenzo
Nitric oxide is one of the major endothelial-derived vasoactive factors that regulate blood pressure (BP), and the bioactive lipid mediator S1P (sphingosine-1-phosphate) is a potent activator of endothelial nitric oxide synthase through G protein-coupled receptors. Endothelial-derived S1P and the autocrine/paracrine activation of S1PR (S1P receptors) play an important role in preserving vascular functions and BP homeostasis. Furthermore, FTY720 (fingolimod), binding to 4 out of 5 S1PRs recently approved by the Food and Drug Administration to treat autoimmune conditions, induces a modest and transient decrease in heart rate in both animals and humans, suggesting that drugs targeting sphingolipid signaling affect cardiovascular functions in vivo...
June 12, 2017: Hypertension
https://www.readbyqxmd.com/read/28605289/effect-of-sub-lethal-concentrations-of-biocides-on-the-structural-parameters-and-viability-of-the-biofilms-formed-by-salmonella-typhimurium
#7
Rosa Capita, Laura Buzón-Durán, Félix Riesco-Peláez, Carlos Alonso-Calleja
This study aimed to investigate the effect of sub-minimum inhibitory concentrations (sub-MICs) of three food-grade biocides (benzalkonium chloride -BZK-, trisodium phosphate -TSP-, and sodium hypochlorite -SHY-) on Salmonella biofilms. The structural parameters and bacterial viability of the biofilms formed by a S. Typhimurium isolate from poultry was investigated by means of confocal laser scanning microscopy after staining with SYTO9 and propidium iodide. The MIC values for Salmonella cells before exposure to subinhibitory concentrations of biocides were 8...
June 2017: Foodborne Pathogens and Disease
https://www.readbyqxmd.com/read/28604598/influence-of-food-characteristics-and-food-additives-on-the-antimicrobial-effect-of-garlic-and-oregano-essential-oils
#8
Juan García-Díez, Joana Alheiro, Ana Luisa Pinto, Luciana Soares, Virgilio Falco, Maria João Fraqueza, Luis Patarata
Utilization of essential oils (EOs) as antimicrobial agents against foodborne disease has gained importance, for their use as natural preservatives. Since potential interactions between EOs and food characteristics may affect their antimicrobial properties, the present work studies the influence of fat, protein, pH, aw and food additives on the antimicrobial effect of oregano and garlic EOs against Salmonella spp. and Listeria monocytogenes. Results showed that protein, pH, aw, presence of beef extract, sodium lactate and nitrates did not influence their antimicrobial effect...
June 10, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28604366/flexible-electrochemical-biosensors-based-on-graphene-nanowalls-for-the-real-time-measurement-of-lactate
#9
Qianwei Chen, Tai Sun, Xuefen Song, Dapeng Wei, Qincui Ran, Chongsheng Yu, Jun Yang, Hua Feng, Leyong Yu
We demonstrated a flexible lactate detection biosensor based on L-lactate oxidase immobilized by chitosan film cross-linked with glutaraldehyde on the surface of graphene nanowalls (GNWs) electrode. The oxygen-plasma technique was developed to enhance the wettability of GNWs, and the sensors exhibited stronger oxidation response on the concentration of lactate. First, in order to eliminate the interference from other substances, biosensors were primarily tested in deionized water and displayed good electrochemical reversibility at different scan rates (20 mV/s to 100 mV/s), a large index range (1...
June 12, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28595683/cholecalciferol-d%C3%A2-versus-ergocalciferol-d%C3%A2-in-older-adults
#10
Simona Dereje, Ilan Muradov, Samira Nazzal, Timothy Nguyen
Vitamin D is a fat-soluble vitamin that is naturally found in very few food sources. It is produced endogenously from ultraviolet light from the sun striking the skin and then triggering vitamin D synthesis and activation. Vitamin D helps promote calcium absorption in the gut, maintains adequate serum calcium and phosphate levels, promotes bone growth, modulates cell growth, and has many other roles. There have been an increasing number of people, especially in older adults, with vitamin D deficiency. This is in part a result of a reduction of sun exposure as people age, increase in use of sunscreen, and other factors...
June 1, 2017: Consultant Pharmacist: the Journal of the American Society of Consultant Pharmacists
https://www.readbyqxmd.com/read/28588376/phosphate-additive-avoidance-in-chronic-kidney-disease
#11
David E St-Jules, David S Goldfarb, Mary Lou Pompeii, Mary Ann Sevick
IN BRIEF Dietary guidelines for patients with diabetes extend beyond glycemic management to include recommendations for mitigating chronic disease risk. This review summarizes the literature suggesting that excess dietary phosphorus intake may increase the risk of skeletal and cardiovascular disease in patients who are in the early stages of chronic kidney disease (CKD) despite having normal serum phosphorus concentrations. It explores strategies for limiting dietary phosphorus, emphasizing that food additives, as a major source of highly bioavailable dietary phosphorus, may be a suitable target...
May 2017: Diabetes Spectrum: a Publication of the American Diabetes Association
https://www.readbyqxmd.com/read/28585197/human-protein-kinases-and-obesity
#12
Atilla Engin
The action of protein kinases and protein phosphatases is essential for multiple physiological responses. Each protein kinase displays its own unique substrate specificity, and a regulatory mechanism that may be modulated by association with other proteins. Protein kinases are classified by the target amino acid in their substrates. Some protein kinases can phosphorylate both serine/threonine, as well as tyrosine residues. This group of kinases has been known as dual specificity kinases. Unlike the dual specificity kinases, a heterogeneous group of protein phosphatases are known as dual-specificity phosphatases...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28583816/tert-butylhydroquinone-protects-pc12%C3%A2-cells-against-ferrous-sulfate-induced-oxidative-and-inflammatory-injury-via-the-nrf2-are-pathway
#13
Wenzhe Xu, Feng Li, Zhenkuan Xu, Bin Sun, Jingwei Cao, Yuguang Liu
Increasing evidence had proved the critical role of iron in the pathogenesis of numerous neurodegenerative diseases because of its capacity to promote the formation of reactive oxygen species (ROS). Tert-butylhydroquinone (tBHQ) was a metabolite of butylated hydroxyanisole, a widely used food antioxidant. This study was aimed to investigate the protective effects of tBHQ on a cellular model of neurodegenerative disease, which was established in PC12 cells by exposure to ferrous sulfate (FS), and elucidate the potential protective mechanisms...
June 2, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28566496/phosphate-is-the-third-nutrient-monitored-by-tor-in-candida-albicans-and-provides-a-target-for-fungal-specific-indirect-tor-inhibition
#14
Ning-Ning Liu, Peter R Flanagan, Jumei Zeng, Niketa M Jani, Maria E Cardenas, Gary P Moran, Julia R Köhler
The Target of Rapamycin (TOR) pathway regulates morphogenesis and responses to host cells in the fungal pathogen Candida albicans Eukaryotic Target of Rapamycin complex 1 (TORC1) induces growth and proliferation in response to nitrogen and carbon source availability. Our unbiased genetic approach seeking unknown components of TORC1 signaling in C. albicans revealed that the phosphate transporter Pho84 is required for normal TORC1 activity. We found that mutants in PHO84 are hypersensitive to rapamycin and in response to phosphate feeding, generate less phosphorylated ribosomal protein S6 (P-S6) than the WT...
May 31, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28559627/physico-chemical-functional-and-rheological-properties-of-milk-protein-concentrate-60-as-affected-by-disodium-phosphate-addition-diafiltration-and-homogenization
#15
Ganga Sahay Meena, Ashish Kumar Singh, Sumit Arora, Sanket Borad, Rajan Sharma, Vijay Kumar Gupta
Ultrafiltration and diafiltration of skim milk altered delicate salt equilibrium and composition of 5× UF retentate (5× UFR), and thus adversely affected the reconstitutional and functional properties of milk protein concentrate (MPC) powders. It might be due to interaction and aggregation of proteins during spray drying. Therefore, this study was envisaged to investigate the effect of disodium phosphate (DSP) addition, diafiltration and homogenization of retentates on physico-chemical, functional and rheological properties of MPC60 powders...
May 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28554270/dephosphorylation-of-myo-inositol-phosphates-in-the-in-vitro-intestinal-caco-2-cell-model
#16
Karlis Briviba, Margit Schollenberger, Markus Rodehutscord, Ralf Greiner
Plant and microbial phytases present in raw materials can cause a dephosphorylation of phytate (myo-inositol hexakisphosphate) (InsP6)) during food processing resulting in a broad range of different myo-inositol phosphates such as pentakisphosphate (InsP5) and tetrakisphosphate (InsP4) in foods. Here, we investigated whether the human intestinal epithelium is able to dephosphorylate myo-inositol phosphates (InsP6, InsP5-, InsP4-, InsP3-isomers) using an in vitro model with differentiated human Caco-2 cells cultured on semipermeable inserts...
May 30, 2017: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/28552352/calcium-isotopic-evidence-for-vulnerable-marine-ecosystem-structure-prior-to-the-k-pg-extinction
#17
Jeremy E Martin, Peggy Vincent, Théo Tacail, Fatima Khaldoune, Essaid Jourani, Nathalie Bardet, Vincent Balter
The collapse of marine ecosystems during the end-Cretaceous mass extinction involved the base of the food chain [1] up to ubiquitous vertebrate apex predators [2-5]. Large marine reptiles became suddenly extinct at the Cretaceous-Paleogene (K/Pg) boundary, whereas other contemporaneous groups such as bothremydid turtles or dyrosaurid crocodylomorphs, although affected at the familial, genus, or species level, survived into post-crisis environments of the Paleocene [5-9] and could have found refuge in freshwater habitats [10-12]...
June 5, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28547568/biofertilizers-and-sustainable-agriculture-exploring-arbuscular-mycorrhizal-fungi
#18
REVIEW
Nicholas O Igiehon, Olubukola O Babalola
Worldwide agricultural food production has to double in 2050 so as to feed the global increasing population while reducing dependency on conventional chemical fertilizers plus pesticides. To accomplish this objective, there is the need to explore the several mutualistic interactions between plant roots and rhizosphere microbiome. Biofertilization is the process of boosting the abundance of microorganisms such as arbuscular mycorrhizal fungi (AMF) in the natural plant rhizosphere which depicts a beneficial alternative to chemical fertilization practices...
May 25, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28535063/airborne-precursors-predict-maternal-serum-perfluoroalkyl-acid-concentrations
#19
Colleen M Makey, Thomas F Webster, Jonathan W Martin, Mahiba Shoeib, Tom Harner, Linda Dix-Cooper, Glenys M Webster
Human exposure to persistent perfluoroalkyl acids (PFAAs), including perfluorooctanoic acid (PFOA), perfluorononanoic acid (PFNA), and perfluorooctanesulfonate (PFOS), can occur directly from contaminated food, water, air, and dust. However, precursors to PFAAs (PreFAAs), such as dipolyfluoroalkyl phosphates (diPAPs), fluorotelomer alcohols (FTOHs), perfluorooctyl sulfonamides (FOSAs), and sulfonamidoethanols (FOSEs), which can be biotransformed to PFAAs, may also be a source of exposure. PFAAs were analyzed in 50 maternal sera samples collected in 2007-2008 from participants in Vancouver, Canada, while PFAAs and PreFAAs were measured in matching samples of residential bedroom air collected by passive sampler and in sieved vacuum dust (<150 μm)...
June 13, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28533178/mucin-and-carbohydrate-stimulated-adhesion-and-subproteome-changes-of-the-probiotic-bacterium-lactobacillus-acidophilus-ncfm
#20
Hasan Ufuk Celebioglu, Sita Vaag Olesen, Kennie Prehn, Sampo J Lahtinen, Susanne Brix, Maher Abou Hachem, Birte Svensson
Adhesion to intestinal mucosa is a crucial property for probiotic bacteria. Adhesion is thought to increase host-bacterial interactions, thus potentially enabling health benefits to the host. Molecular events connected with adhesion and surface proteome changes were investigated for the probiotic Lactobacillus acidophilus NCFM cultured with established or emerging prebiotic carbohydrates as carbon source and in the presence of mucin, the glycoprotein of the epithelial mucus layer. Variation in adhesion to HT29-cells and mucin was associated with carbon source and mucin-induced subproteome abundancy differences...
May 19, 2017: Journal of Proteomics
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