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https://www.readbyqxmd.com/read/29344748/lead-sorption-characteristics-of-various-chicken-bone-part-derived-chars
#1
Jong-Hwan Park, Jim J Wang, Seong-Heon Kim, Se-Won Kang, Ju-Sik Cho, Ronald D Delaune, Yong Sik Ok, Dong-Cheol Seo
Recycling food waste for beneficial use is becoming increasingly important in resource-limited economy. In this study, waste chicken bones of different parts from restaurant industry were pyrolyzed at 600 °C and evaluated for char physicochemical properties and Pb sorption characteristics. Lead adsorption isotherms by different chicken bone chars were carried out with initial Pb concentration range of 1-1000 mg L-1 at pH 5. The Pb adsorption data were better described by the Langmuir model (R2 = 0.9289-0...
January 18, 2018: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/29340658/cuticle-and-pore-plug-properties-in-the-table-egg
#2
G Kulshreshtha, A Rodriguez-Navarro, E Sanchez-Rodriguez, T Diep, M T Hincke
Food safety of table eggs is vital since many pathogens can contaminate the unfertilized egg, leading to increased risk of foodborne illness for consumers. The eggshell cuticle is the first line of defense to restrict the entry of egg-associated pathogens, such as Salmonella Enteritidis. The thickness and completeness of coverage of the cuticle layer are heritable traits that are strongly associated with egg resistance to bacterial penetration. The present study characterizes the chemical composition of the eggshell cuticle and structure of pore plugs from table eggs...
January 11, 2018: Poultry Science
https://www.readbyqxmd.com/read/29332837/a-novel-electroanalytical-assay-for-sulfamethazine-determination-in-food-samples-based-on-conducting-polymer-nanocomposite-modified-electrodes
#3
Ya-Ling Su, Shu-Hua Cheng
The toxicity of sulfa drugs has attracted great attention, and the reported electrochemical methods for sulfa drugs usually employ a high oxidation potential. In this work, a one-pot synthesized conducting polymer nanocomposite containing poly(3,4-ethylenedioxythiophene) (PEDOT) and MnO2 was cast on a screen-printed carbon electrode (SPCE), and the modified electrode showed superior electrochemical activity over a bare electrode for sulfamethazine (SMZ) determination. The SMZ detection was based on the electrochemical oxidation product, which showed an adsorptive property and exhibited a redox couple at 0...
April 1, 2018: Talanta
https://www.readbyqxmd.com/read/29328519/surface-modification-using-the-biomimetic-method-in-alumina-zirconia-porous-ceramics-obtained-by-the-replica-method
#4
André D R Silva, Willian R Rigoli, Denise Osiro, Daphne C R Mello, Luana M R Vasconcellos, Anderson O Lobo, Eliria M J A Pallone
The modification of biomaterials approved by the Food and Drug Administration could be an alternative to reduce the period of use in humans. Porous bioceramics are widely used as support structures for bone formation and repair. This composite has essential characteristics for an implant, including good mechanical properties, high chemical stability, biocompatibility and adequate aesthetic appearance. Here, three-dimensional porous scaffolds of Al2 O3 containing 5% by volume of ZrO2 were produced by the replica method...
January 12, 2018: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/29321563/probiotic-activities-of-rhizobium-laguerreae-on-growth-and-quality-of-spinach
#5
Alejandro Jiménez-Gómez, José David Flores-Félix, Paula García-Fraile, Pedro F Mateos, Esther Menéndez, Encarna Velázquez, Raúl Rivas
The growing interest in a healthy lifestyle and in environmental protection is changing habits regarding food consumption and agricultural practices. Good agricultural practice is indispensable, particularly for raw vegetables, and can include the use of plant probiotic bacteria for the purpose of biofertilization. In this work we analysed the probiotic potential of the rhizobial strain PEPV40, identified as Rhizobium laguerreae through the analysis of the recA and atpD genes, on the growth of spinach plants...
January 10, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29317495/structural-and-mechanistic-analysis-of-a-%C3%AE-glycoside-phosphorylase-identified-by-screening-a-metagenomic-library
#6
Spencer S Macdonald, Ankoor Patel, Veronica L C Larmour, Connor Morgan-Lang, Steven J Hallam, Brian L Mark, Stephen G Withers
Glycoside phosphorylases have considerable potential as catalysts for the assembly of useful glycans for products ranging from functional foods and prebiotics to novel materials. However, the substrate diversity of currently identified phosphorylases is relatively small, limiting their practical applications. To address this limitation, we developed a high-throughput screening approach using the activated substrate 2,4-dinitrophenyl β-D-glucoside (DNPGlc) and inorganic phosphate for identifying glycoside phosphorylase activity and used it to screen a large insert metagenomic library...
January 9, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29315586/dietary-enzymatically-treated-artemisia-annua-l-improves-meat-quality-antioxidant-capacity-and-energy-status-of-breast-muscle-in-heat-stressed-broilers
#7
Xiaoli Wan, Hussain Ahmad, Lili Zhang, Zhiyue Wang, Tian Wang
BACKGROUND: Heat stress (HS) is detrimental to animal origin food production. Artemisia annua L., a natural source of phenolic compounds and flavonoids, exhibits antioxidant property. This study was conducted to evaluate the effects of dietary enzymatically treated Artemisia annua L. (EA) supplementation on meat quality, antioxidant capacity and energy status of breast muscle in heat-stressed broilers. RESULTS: The EA inclusion increased the redness value, reduced drip loss, decreased reactive oxygen metabolites and thiobarbituric acid-reactive substances, increased antioxidant enzyme activities, and reduced the ferric reducing antioxidant power and free radical scavenging abilities of breast muscle in heat-treated broilers...
January 9, 2018: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29315029/correlations-among-resistances-to-different-antimicrobial-compounds-in-salmonella-strains-from-hen-eggshells
#8
Maria Luisa Fernández Márquez, María José Grande Burgos, Rubén Pérez Pulido, Antonio Gálvez, Rosario Lucas López
Persistence of antibiotic-resistant Salmonella in the food chain may depend on strain tolerance to other antimicrobials and also on biofilm formation capacity. Yet, there is limited information on sensitivity of antibiotic-resistant Salmonella to other antimicrobials, such as phenolic compounds, chemical preservatives, or antimicrobial peptides. This study aimed at correlating antimicrobial resistance and biofilm formation capacity in antibiotic-resistant, biocide-tolerant Salmonella strains from hen eggshells...
February 2018: Journal of Food Protection
https://www.readbyqxmd.com/read/29314007/chlorophyll-fluorescence-imaging-reveals-genetic-variation-and-loci-for-a-photosynthetic-trait-in-diploid-potato
#9
Aina E Prinzenberg, Marcela Víquez-Zamora, Jeremy Harbinson, Pim Lindhout, Sjaak van Heusden
Physiology and genetics are tightly interrelated. Understanding the genetic basis of a physiological trait such as the quantum yield of the photosystem II, or photosynthetic responses to environmental changes will benefit the understanding of these processes. By means of chlorophyll fluorescence imaging "CF", the quantum yield of photosystem II can be determined rapidly, precisely and non-invasively. In this article, the genetic control and variation in the steady-state quantum yield of PSII "ΦPSII " is analysed for diploid potato plants...
January 4, 2018: Physiologia Plantarum
https://www.readbyqxmd.com/read/29306082/effect-of-freezing-conditions-on-%C3%AE-tricalcium-phosphate-camphene-scaffold-with-micro-sized-particles-fabricated-by-freeze-casting
#10
Gurdev Singh, S Soundarapandian
The long standing need of the implant manufacturing industries is to fabricate multi-matrix, customized porous scaffold as cost-effectively. In recent years, freeze casting has shown greater opportunity in the fabrication of porous scaffolds (tricalcium phosphate, hydroxyapatite, bioglass, alumina, etc.) such as at ease and good control over pore size, porosity, a range of materials and economic feasibility. In particular, tricalcium phosphate (TCP) has proved as it possesses good biocompatible (osteoinduction, osteoconduction, etc...
December 30, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29300336/characterization-of-a-potential-probiotic-lactobacillus-brevis-rk03-and-efficient-production-of-%C3%AE-aminobutyric-acid-in-batch-fermentation
#11
Chien-Hui Wu, Yi-Huang Hsueh, Jen-Min Kuo, Si-Jia Liu
Lactic acid bacteria were isolated from fish and evaluated for their γ-aminobutyric acid (GABA)-producing abilities. Out of thirty-two isolates, Lactobacillus brevis RK03 showed the highest GABA production ability. The effects of various fermentation parameters including initial glutamic acid level, culture temperature, initial pH, and incubation time on GABA production were investigated via a singleparameter optimization strategy. For industrial large-scale production, a low-cost GABA producing medium (GM) broth was developed for fermentation with L...
January 4, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29296840/two-distinct-cxcr4-antagonists-mobilize-progenitor-cells-in-mice-by-different-mechanisms
#12
Andia N Redpath, Moïra François, Suet-Ping Wong, Dominique Bonnet, Sara M Rankin
Pharmacological mobilization of hematopoietic progenitor cells (HPCs) is used clinically to harvest HPCs for bone marrow transplants. It is now widely accepted that the CXCR4:CXCL12 chemokine axis plays a critical role in the retention of HPCs in the bone marrow, and CXCR4 antagonists have been developed for their mobilization. The first of this class of drugs to be US Food and Drug Administration-approved was the bicyclam AMD3100. In addition to mobilizing HPCs and leukocytes in naïve mice, AMD3100 has been shown to mobilize mesenchymal progenitor cells (MPCs) in vascular endothelial growth factor (VEGF-A) pretreated mice...
October 10, 2017: Blood Advances
https://www.readbyqxmd.com/read/29287395/bioaccessibility-of-four-calcium-sources-in-different-whey-based-dairy-matrices-assessed-by-in-vitro-digestion
#13
Lucie Lorieau, Linda Le Roux, Frédéric Gaucheron, Amandine Ligneul, Etienne Hazart, Didier Dupont, Juliane Floury
Numerous calcium sources are available to enrich food, but their behavior during digestion is still unknown. This study focused on the influence of the gastro-intestinal pH, the food structure and the calcium source on the bioaccessibility of the nutrient. Four calcium sources were studied: calcium carbonate, calcium citrate malate, calcium phosphate and calcium bisglycinate. These were added to dairy matrices, containing cream and whey proteins, of different forms (liquid or gel). The kinetics of solubility and ionic calcium concentration during in vitro digestion were studied, as function of gastro-intestinal pH...
April 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29287369/preparation-characterization-and-calcium-release-evaluation-in-vitro-of-casein-phosphopeptides-soluble-dietary-fibers-copolymers-as-calcium-delivery-system
#14
Ang Gao, Shuang Dong, Xu Wang, Shuhong Li, Ye Chen
Delivery systems based on food-grade biopolymers are of particular interest for food applications. Here, we introduce a new calcium delivery system with a high calcium-binding capacity and controlled calcium release. The system integrates casein phosphopeptides (CPP) with soluble dietary fibers (SDF). The physicochemical properties, calcium-binding capacities, controlled calcium release properties and formation mechanisms of the prepared copolymers with different mass ratios of CPP/SDF after thermal treatment were studied...
April 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29280084/the-effect-of-nesfatin-1-on-food-intake-in-neonatal-chicks-role-of-crf1-crf2-and-h1-h3-receptors
#15
Hooman Heidarzadeh, Morteza Zendehdel, Vahab Babapour, Hasan Gilanpour
The present study was designed to determine the effect of central injection of Nesfatin-1 and corticotropin and histaminergic systems on food intake in neonatal meat-type chicks. In this study, 7 experiments were designed, each with 4 treatment groups. In experiment 1, four groups of chicks received the ICV injection of (A) phosphate-buffered saline (PBS), (B) Nesfatin-1 (10 ng), (C) Nesfatin-1 (20 ng) and (D) Nesfatin-1 (40 ng). In experiment 2, (A) PBS, (B) Astressin-B (CRF1/CRF2 receptors antagonist; 30 µg), (C) Nesfatin-1 (40 ng) and (D) Nesfatin-1 + Astressin-B were injected...
December 26, 2017: Veterinary Research Communications
https://www.readbyqxmd.com/read/29278826/transitioning-from-phosphate-mining-to-agriculture-responses-to-urea-and-slow-release-fertilizers-for-sorghum-bicolor
#16
Katinka X Ruthrof, Emma Steel, Sunil Misra, Jen McComb, Graham O'Hara, Giles E St J Hardy, John Howieson
Globally, land-use transition from mining to agriculture is becoming increasingly attractive and necessary for many reasons. However, low levels of necessary plant nutrients, and high levels of heavy metals, can hamper plant growth, affecting yield, and potentially, food safety. In post-phosphate mining substrates, for example, nitrogen (N) is a key limiting nutrient, and, although legumes are planted prior to cereals, N supplementation is still necessary. We undertook two field trials on Christmas Island, Australia, to determine whether Sorghum bicolor could be grown successfully in a post-phosphate mining substrate...
December 23, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29276873/a-case-report-of-a-4-year-old-child-with-glucose-6-phosphate-dehydrogenase-deficiency-an-evidence-based-approach-to-nutritional-management
#17
Alex Pinto, Anita MacDonald, Esmeralda Cleto, Manuela Ferreira Almeida, Paula Cristina Ramos, Júlio César Rocha
Pinto A, MacDonald A, Cleto E, Almeida MF, Ramos PC, Rocha JC. A case report of a 4-year-old child with glucose-6-phosphate dehydrogenase deficiency: An evidence based approach to nutritional management. Turk J Pediatr 2017; 59: 189-192. The objective was to describe the nutritional management of a 4-year-old child with glucose-6-phosphate dehydrogenase (G6PD) deficiency. A 4-year-old male child, African descent, born from non-consanguineous parents presented with a clinical history of frequent respiratory infections, usually treated with antibiotics...
2017: Turkish Journal of Pediatrics
https://www.readbyqxmd.com/read/29242963/effect-of-strontium-ranelate-on-the-muscle-and-vertebrae-of-ovariectomized-rats
#18
D Saul, B Harlas, A Ahrabi, R L Kosinsky, D B Hoffmann, M Wassmann, R Wigger, K O Böker, S Sehmisch, M Komrakova
Osteoporosis is often accompanied by sarcopenia. The effect of strontium ranelate (SR) on muscle tissue has not been investigated sufficiently. In this study, the effect of different SR treatments on muscle was studied. Additionally, the lumbar vertebrae were analyzed. Three-month-old female rats were divided into five groups (n = 12): Group 1: untreated (NON-OVX); Group 2: ovariectomized and left untreated (OVX); Group 3: SR after OVX until the study ended (13 weeks, SR prophylaxis and therapy = pr+th); Group 4: OVX and SR for 8 weeks (SR prophylaxis = pr); Group 5: SR for 5 weeks from the 8 week after OVX (SR therapy = SR th)...
December 14, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/29233695/structural-basis-for-substrate-specificity-of-meso-diaminopimelic-acid-decarboxylase-from-corynebacterium-glutamicum
#19
Hyeoncheol Francis Son, Kyung-Jin Kim
l-lysine is an essential amino acid that is widely used as a food supplement for humans and animals. meso-Diaminopimelic acid decarboxylase (DAPDC) catalyzes the final step in the de novol-lysine biosynthetic pathway by converting meso-diaminopimelic acid (meso-DAP) into l-lysine by decarboxylation reaction. To elucidate its molecular mechanisms, we determined the crystal structure of DAPDC from Corynebacterium glutamicum (CgDAPDC). The PLP cofactor is bound at the center of the barrel domain and forms a Schiff base with the catalytic Lys75 residue...
December 9, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29232925/deep-sea-water-improves-abnormalities-in-lipid-metabolism-through-lipolysis-and-fatty-acid-oxidation-in-high-fat-diet-induced-obese-rats
#20
Wei-Tang Chang, Tsung-Yueh Lu, Ming-Ching Cheng, Hsun-Chi Lu, Mei-Fang Wu, Chin-Lin Hsu
Deep sea water (DSW) is a natural marine resource that has been utilized for food, agriculture, cosmetics, and medicine. The aim of this study was to investigate whether DSW has beneficial lipid metabolic effects in an animal model. Our previous in vitro study indicated that DSW significantly decreased the intracellular triglyceride and glycerol-3-phosphate dehydrogenase activity in 3T3-L1 adipocytes. DSW also inhibited the gene levels of adipocyte differentiation, lipogenesis, and adipocytokines, and up-regulated gene levels of lipolysis and fatty acid oxidation...
December 11, 2017: Marine Drugs
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