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Phosphate food

Yue Cao, Dan Sun, Jun-Xiu Chen, Hanyi Mei, Hao Ai, Guohua Xu, Yanshan Chen, Lena Q Ma
Phosphorus is an important nutrient for plant growth and is acquired by plants mainly as phosphate (P). Phosphate transporters (Phts) are responsible for P and arsenate (AsV) uptake in plants including arsenic (As) hyperaccumulator Pteris vittata. It is efficient in AsV uptake and P utilization, but P uptake in P. vittata is largely unknown. In this study, a P. vittata Pht, PvPht1;2, was identified and cloned. After transforming it into tobacco (N. tabacum), three independent transgenic lines (Ox1, Ox10, and Ox21) were studied...
March 14, 2018: Environmental Science & Technology
Tomasz Zbigniew Osmałek, Anna Froelich, Barbara Jadach, Marek Krakowski
Purpose Most of the studies concerning gellan have been focused on its application as a food ingredient, however, gellan is often considered as a candidate for the development of novel pharmaceutical formulations. Taking into account that gellan is ion-sensitive, it can be assumed that its initial mechanical properties can change upon contact with body secretions. Therefore, the aim of the work was to investigate the rheological properties of pure high-acyl gellan gum hydrogel (0.4%) and its mixtures with selected simulated body fluids...
January 1, 2018: Journal of Biomaterials Applications
Chou-Yueh Chang, Horng-Rong Chang, Hsing-Chun Lin, Han-Hsin Chang
Objective Vegetarian diets have been shown to increase the risk of certain nutritional deficiencies, such as iron. As a number of patients with chronic kidney disease (CKD) in Taiwan are lacto-ovo vegetarians, the aim of this study was to investigate the effects of different proportions and sources of protein in lacto-ovo vegetarian and omnivorous diets, as well as the influence of adequate dietary protein intake, on renal function and nutritional status of Taiwanese patients with stage 3 to stage 5 CKD. Methods This is a cross-sectional study...
March 13, 2018: Journal of the American College of Nutrition
Garrett T Dow, James B Thoden, Hazel M Holden
The aminoglycoside antibiotics, discovered as natural products in the 1940s, demonstrate a broad anti-microbial spectrum. Due to their nephrotoxic and ototoxic side effects, however, their widespread clinical usage has typically been limited to the treatment of serious infections. Neomycin B, first isolated from strains of Streptomyces in 1948, is one such drug that was approved for human use by the U. S. Food and Drug Administration in 1964. Only within the last 11 years has the biochemical pathway for its production been elaborated, however...
March 8, 2018: Protein Science: a Publication of the Protein Society
Saqib Bashir, Muhammad Shahid Rizwan, Abdus Salam, Qingling Fu, Jun Zhu, Muhammad Shaaban, Hongqing Hu
Heavy metal contamination in agricultural soils has become a serious environmental concern due to their generally high mobility and toxic effects on plants and food security. An incubation study was conducted to assess the effectiveness of biochar (BC), zeolite (ZE) and rock phosphate (RP) stabilizers on the immobilization of cadmium (Cd) in contaminated soils. Various extraction techniques were carried out: a sequential extraction procedure, the European Community Bureau of Reference (BCR), the toxicity characteristics leaching procedure (TCLP) and extraction with ammonium nitrate...
March 7, 2018: Bulletin of Environmental Contamination and Toxicology
Zahra H Mohammad, Amer A Hasan, Chris R Kerth, David G Riley, T Matthew Taylor
Sanitizer neutralizers can assist foodborne pathogen detection during routine testing by counteracting sanitizer residues carried over into fluids collected and tested from food samples. This study tested sanitizer-matched neutralizers applied at increasing concentrations to facilitate Salmonella enterica survival following exposure to cetylpyridinium chloride (CPC) or peracetic acid (PAA), identifying minimum required concentrations of neutralizers to facilitate pathogen survival. Salmonella isolates were individually inoculated into a non-selective medium followed immediately by CPC (0...
March 3, 2018: Foods (Basel, Switzerland)
Angela A Pridal, Wiebke Böttger, Alastair B Ross
Avenanthramides are phenolic compounds found only in oats, and are of interest due to suggested bioactivities, including anti-inflammatory effects and induction of apoptosis. The objective of this work was to optimise a high performance liquid chromatography (HPLC) method for analysis of avenanthramides in food, and analyse the avenanthramide content in 45 oat fractions and products. The optimised HPLC method was based on triplicate extraction of 100 mg sample with 1 ml 80% ethanol in phosphate buffer (pH 2...
July 1, 2018: Food Chemistry
Mohammad A Shafiee, Mehdi Aarabi, Pouyan Shaker, Amir M Ghafarian, Pouyan Chamanian, Mitchell L Halperin
PURPOSE: Intermittent fasting and curtailing water intake for extended periods of time was likely to be common in Paleolithic times. Nowadays, it occurs for religious and dietary reasons. This restriction in intake should cause a decrease in urine flow rate (UFR), while raising the concentrations of certain substances in the urine to the point of precipitation. In this study, we measured the risk of calcium phosphate (CaHPO4) precipitation following 18 hours of food and water deprivation...
March 1, 2018: Journal of Urology
Michiel A van den Dries, Anjoeka Pronk, Mònica Guxens, Suzanne Spaan, Trudy Voortman, Vincent W Jaddoe, Todd A Jusko, Matthew P Longnecker, Henning Tiemeier
BACKGROUND: In the Netherlands organophosphate (OP) pesticides are frequently used for pest control in agricultural settings. Despite concerns about the potential health impacts of low-level OP pesticides exposure, particularly in vulnerable populations, the primary sources of exposure remain unclear. The present study was designed to investigate the levels of DAP metabolites concentrations across pregnancy and to examine various determinants of DAP metabolite concentrations among an urban population of women in the Netherlands...
February 3, 2018: International Journal of Hygiene and Environmental Health
Yiping Lu, Lei Wang, Fei Teng, Jianing Zhang, Meirong Hu, Yong Tao
Myo-inositol (inositol) is important in the cosmetics, pharmaceutical and functional food industries. Here, we report a novel pathway to produce inositol from glucose by a trienzymatic cascade system involving polyphosphate glucokinase (PPGK), inositol 1-phosphate synthase (IPS) and inositol monophosphatase (IMP). The system contained three highly active enzymes, AspPPGK from Arthrobacter sp. OY3WO11, TbIPS from Trypanosoma brucei TREU927, and EcIMP from Escherichia coli. A trienzymatic cascade reaction was implemented, and the conversion ratio from glucose to inositol reached 90%, which is promising for the enzymatic synthesis of inositol without ATP supplementation...
May 2018: Enzyme and Microbial Technology
Nobutomo Ikarashi, Takahiro Toda, Yusuke Hatakeyama, Yoshiki Kusunoki, Risako Kon, Nanaho Mizukami, Miho Kaneko, Sosuke Ogawa, Kiyoshi Sugiyama
We have previously demonstrated that acacia polyphenol (AP) exerts strong anti-obesity, anti-diabetic, and anti-atopic dermatitis effects. In the present study, we investigated the anti-hypertensive effects of AP. Spontaneously hypertensive rats (SHR) with hypertension and control Wistar Kyoto rats (WKY) were used. WKY and SHR were fed AP-containing food or AP-free food (control group) ad libitum for 4 weeks, and their blood pressures were measured. After AP administration, both systolic and diastolic blood pressures were significantly lower in the SHR group than in the control group...
March 1, 2018: International Journal of Molecular Sciences
Yunhe Yen, Borshuh Cheng, Changchung Chan, Chiwei Lin, Hsiuling Chen
Lifestyle, food intake, and exposure to chemicals are potential risk factors for the development of calcium urolithiasis. Pb, Cd, and Hg have been proved to cause renal illness, and urinary tract stones might be caused by exposure to metals. Therefore, this study aimed to measure the concentration of metals in urinary tract stones and blood simultaneously in urolithiasis patients. Moreover, we intended to determine whether urinary tract stones can be regarded as a biomarker of exposure or an effect marker in a population with environmental exposure to metals...
February 27, 2018: Biological Trace Element Research
Isabel Martínez-Alcalá, Francisco Pellicer-Martínez, Carmen Fernández-López
Emerging pollutants, including pharmaceutical compounds, are producing water pollution problems around the world. Some pharmaceutical pollutants, which mainly reach ecosystems within wastewater discharges, are persistent in the water cycle and can also reach the food chain. This work addresses this issue, accounting the grey component of the water footprint (GWFP ) for four of the most common pharmaceutical compounds (carbamazepine (CBZ), diclofenac (DCF), ketoprofen (KTP) and naproxen (NPX)). In addition, the GWFC for the main conventional pollutants is also accounted (nitrate, phosphates and organic matter)...
February 15, 2018: Water Research
Alissa H Cox, José A Amador
Historically, much of the New England landscape was converted to pasture for grazing animals and harvesting hay. Both consumer demand for local sustainably produced food, and the number of small farms is increasing in RI, highlighting the importance of characterizing the effects livestock have on the quality of pasture soils. To assess how livestock affect pasture on Charlton and Canton soils series in RI, we examined soil quality in farms raising beef cattle (Bos taurus), sheep (Ovis aries), and horses (Equus ferus caballus), using hayed pastures as a control...
February 21, 2018: Environmental Monitoring and Assessment
Zixin Xie, Shiying Zou, Wentao Xu, Xu Liu, Kunlun Huang, Xiaoyun He
The genetically modified (GM) soybean FG72 contains two exogenous genes: p-hydroxyphenylpyruvate dioxygenase (hppd) and double mutant 5-enol pyruvylshikimate-3-phosphate synthase (2mepsps), endowing the FG72 with the glyphosate and isoxaflutole herbicides resistant abilities for presence of the 2mEPSPS and HPPD W336 proteins. A food safety assessment of GM soybean FG72 was evaluated by a 90-days feeding study using three different dietary concentrations (7.5%, 15%, or 30% w/w) of the GM soybean or its corresponding non-GM cultivar Jack fed to Sprague-Dawley rats...
February 17, 2018: Regulatory Toxicology and Pharmacology: RTP
Patricia L Keen, Charles W Knapp, Kenneth J Hall, David W Graham
Environmental transport of contaminants that can influence the development of antibiotic resistance in bacteria is an important concern in the management of ecological and human health risks. Agricultural regions are locales where practices linked to food crop and livestock production can introduce contaminants that could alter the selective pressures for the development of antibiotic resistance in microbiota. This is important in regions where the use of animal manure or municipal biosolids as waste and/or fertilizer could influence selection for antibiotic resistance in pathogenic bacterial species...
February 13, 2018: Science of the Total Environment
Josette Garnier, Antsiva Ramarson, Vincent Thieu, Julien Némery, Sylvain Théry, Gilles Billen, Alexandra Coynel
The Lot river, a major tributary of the downstream Garonne river, the largest river on the Northern side of the Pyrenees Mountains, was intensively studied in the 1970s. A pioneering program called "Lot Rivière Claire" provided a diagnosis of water quality at the scale of the whole watershed and proposed an ambitious program to manage nutrient pollution and eutrophication largely caused by urban wastewater releases. Later on, the implementation of European directives from 1991 to 2000 resulted in the nearly complete treatment of point sources of pollution in spite of a doubling of the basin's population...
February 15, 2018: Environmental Science and Pollution Research International
Daleniece Higgins, Chandan Pal, Irshad M Sulaiman, Chunrong Jia, Tyler Zerwekh, Scot E Dowd, Pratik Banerjee
With the advent of high-throughput sequencing technologies, it is possible to comprehensively analyze the microbial community of foods without culturing them in the laboratory. The estimation of all microbes inhabiting a food commodity (food microbiota) therefore may shed light on the microbial quality and safety of foods. In this study, we utilized high-throughput pyrosequencing of 16S rRNA genes as well as traditional microbiological methods to evaluate the bacterial diversity and the predicted metabolic pathways associated with the bacterial communities of selected foods (romaine lettuce, cabbage, deli meat, and chicken legs, total 200 samples) procured from small and large retail outlets located in Memphis-Shelby County, Tennessee, USA...
March 2018: Food Research International
Qian Lu, Yue Zhao, Xintong Gao, Junqiu Wu, Haixuan Zhou, Pengfei Tang, Qingbin Wei, Zimin Wei
Composting is an environment friendly method to recycling organic waste. However, with the increasing concern about greenhouse gases generated in global atmosphere, it is significant to reduce the emission of carbon dioxide (CO2). This study analyzes tricarboxylic acid (TCA) cycle regulators on the effect of reducing CO2 emission, and the relationship among organic component (OC) degradation and transformation and microorganism during composting. The results showed that adding adenosine tri-phosphate (ATP) and nicotinamide adenine dinucleotide (NADH) could enhance the transformation of OC and increase the diversity of microorganism community...
February 2, 2018: Bioresource Technology
Yeong-Jun Park, Byung Kwon Jung, Sung-Jun Hong, Gun-Seok Park, Jerald Conrad Ibal, HuyQuang Pham, Jae-Ho Shin
The enzyme xylose isomerase (EC, XI) is responsible for theconversion of an aldose to ketose, especially xylose to xylulose. Owing to the ability of XI to isomerize glucose to fructose, this enzyme is used in the food industry to prepare high-fructose corn syrup. Therefore, we studiedthe characteristics of XI from Anoxybacillus kamchatkensis G10, a thermophilic bacterium. First, a gene coding for XI (xylA) was insertedinto the pET-21a (+) expression vector and the construct was transformed into an Escherichia coli competent cell BL21 (DE3)...
February 13, 2018: Journal of Microbiology and Biotechnology
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