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https://www.readbyqxmd.com/read/28429156/crystallization-and-preliminary-x-ray-diffraction-analysis-of-a-mammal-inositol-1-3-4-5-6-pentakisphosphate-2-kinase
#1
Elsa Franco-Echevarría, Julia Sanz-Aparicio, Nathalie Troffer-Charlier, Arnaud Poterszman, Beatriz González
Inositol 1,3,4,5,6-pentakisphosphate 2-kinase (IP5 2-K) is an enzyme that catalyses the formation of phytic acid (IP6) from IP5 and ATP. In mammals, IP6 is involved in multiple events such as DNA repair and mRNA edit and it is the precursor of inositol pyrophosphates, emerging compounds shown to have an essential role in apoptosis. In addition, IP5 2-K have functions in cells independently of its catalytic activity, for example in rRNA biogenesis. We pursue the structure determination of a mammal IP5 2-K by Protein Crystallography...
April 21, 2017: Protein Journal
https://www.readbyqxmd.com/read/28424946/preparation-and-corrosion-resistance-of-magnesium-phytic-acid-hydroxyapatite-composite-coatings-on-biodegradable-az31-magnesium-alloy
#2
Min Zhang, Shu Cai, Feiyang Zhang, Guohua Xu, Fengwu Wang, Nian Yu, Xiaodong Wu
In this work, a magnesium phytic acid/hydroxyapatite composite coating was successfully prepared on AZ31 magnesium alloy substrate by chemical conversion deposition technology with the aim of improving its corrosion resistance and bioactivity. The influence of hydroxyapatite (HA) content on the microstructure and corrosion resistance of the coatings was investigated. The results showed that with the increase of HA content in phytic acid solution, the cracks on the surface of the coatings gradually reduced, which subsequently improved the corrosion resistance of these coated magnesium alloy...
June 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28392693/sustained-release-of-anticancer-agent-phytic-acid-from-its-chitosan-coated-magnetic-nanoparticles-for-drug-delivery-system
#3
Farahnaz Barahuie, Dena Dorniani, Bullo Saifullah, Sivapragasam Gothai, Mohd Zobir Hussein, Ashok Kumar Pandurangan, Palanisamy Arulselvan, Mohd Esa Norhaizan
Chitosan (CS) iron oxide magnetic nanoparticles (MNPs) were coated with phytic acid (PTA) to form phytic acid-chitosan-iron oxide nanocomposite (PTA-CS-MNP). The obtained nanocomposite and nanocarrier were characterized by powder X-ray diffraction, Fourier transform infrared spectroscopy, vibrating sample magnetometry, transmission electron microscopy, and thermogravimetric and differential thermogravimetric analyses. Fourier transform infrared spectra and thermal analysis of MNPs and PTA-CS-MNP nanocomposite confirmed the binding of CS on the surface of MNPs and the loading of PTA in the PTA-CS-MNP nanocomposite...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28385215/a-green-approach-to-constructing-multilayered-nanocoating-for-flame-retardant-treatment-of-polyamide-66-fabric-from-chitosan-and-sodium-alginate
#4
Chanchal Kumar Kundu, Wei Wang, Shun Zhou, Xin Wang, Haibo Sheng, Ying Pan, Lei Song, Yuan Hu
Green polyelectrolytes including chitosan (CS), phytic acid (PA) and oxidized sodium alginate (OSA) were deposited on polyamide 66 (PA66) fabrics in a quadralayer (QL) fashion like (CS-PA-CS-OSA)n (where "n" denotes the number of quadra layers) via layer-by-layer (LbL) assembly to improve the flame retardant property. In the vertical burning test, the PA66 fabric with 10 and 15 QL depositions could stop the melt-dripping. Cone calorimetry results showed that a maximum reduction (24%) in the peak heat release rate was achieved for the PA66 fabric with 5 QL depositions...
June 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28375121/antioxidant-activity-and-nutritional-assessment-of-under-utilized-medicinal-plants
#5
Anwar Ali Shad, Jehan Bakht, Hamid Ullah Shah, Yosuaf Hayat
The present study investigates the nutritive and anti-nutritive composition of six species (Allium porrum, Amaranthus spinosis, Apium graveolens, Caralluma edulis, Chenopodium album, Urtica dioica). The studied species contained considerable amount of crude protein (4.53-11.41%), crude fat (1.25-3.74%), vitamin C (7.85-28.09mg 100(-1) g) and β-Carotene (18.29-169.33mg 100(-1)g). The mineral profile of Chenopodium album is considered as potential source of Zn (14.51±1.14mg 100-1g), Mn (67.71±0.85mg 100(-1)g), Se (8...
November 2016: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28373697/phytic-acid-as-alternative-setting-retarder-enhanced-biological-performance-of-dicalcium-phosphate-cement-in-vitro
#6
Susanne Meininger, Carina Blum, Martha Schamel, Jake E Barralet, Anita Ignatius, Uwe Gbureck
Dicalcium phosphate cement preparation requires the addition of setting retarders to meet clinical requirements regarding handling time and processability. Previous studies have focused on the influence of different setting modifiers on material properties such as mechanical performance or injectability, while ignoring their influence on biological cement properties as they are used in low concentrations in the cement pastes and the occurrence of most compounds in human tissues. Here, analyses of both material and biological behavior were carried out on samples with common setting retardants (citric acid, sodium pyrophosphate, sulfuric acid) and novel (phytic acid)...
April 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28372252/quantification-of-inositol-phosphates-in-almond-meal-and-almond-brown-skins-by-hplc-esi-ms
#7
Quynh H Duong, Kevin D Clark, Karen G Lapsley, Ronald B Pegg
The extraction and measurement of all six forms of inositol phosphates (InsPs) in almond meal and brown skins were improved from existing methods by pH adjustment, supplementation of EDTA, and rapid analysis via anion-exchange high-performance liquid chromatography coupled with electrospray ionization mass spectrometry. The quantity of InsPs in six major almond cultivars ranged from 8 to 12μmol/g in the meal and 5 to 14μmol/g in the brown skins. InsP6 was the dominant form, but lower forms still accounted for ∼20% of the total InsPs molar concentration in a majority of the samples...
August 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28352273/biofortification-of-wheat-cultivars-to-combat-zinc-deficiency
#8
Muhammad U Chattha, Muhammad U Hassan, Imran Khan, Muhammad B Chattha, Athar Mahmood, Muhammad U Chattha, Muhammad Nawaz, Muhammad N Subhani, Mina Kharal, Sadia Khan
Zinc (Zn) deficiency caused by inadequate dietary intake is a global nutritional problem, particularly in developing countries. Therefore, zinc biofortification of wheat and other cereal crops is being urgently addressed and highly prioritized as a research topic. A field study was planned to evaluate the influence of zinc application on grain yield, grain zinc content, and grain phytic acid concentrations of wheat cultivars, and the relationships between these parameters. Three wheat cultivars, C1 = Faisalabad-2008, C2 = Punjab-2011, and C3 = Millet-2011 were tested with five different methods of zinc application: T1 = control, T2 = seed priming, T3 = soil application, T4 = foliar application, and T5 = soil + foliar application...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28321825/effect-of-feeding-soy-milk-fermented-by-probiotic-bacteria-on-some-blood-criteria-and-weight-of-experimental-animals
#9
Alaa Kareem Niamah, Ali Ahmed Sahi, Alaa S N Al-Sharifi
The chemical composition of soy milk fermented by probiotic starter (Log.11.1 CFU/ml) which consists of Streptococcus thermophilus, Lactobacillus acidophilus LA-5, and Bifidobacterium bifidum Bb-12 was studied. The percentage of each moisture, protein, fat, ash, carbohydrate and total acidity were 88.8, 4.2, 2.3, 0.82, 4.6, and 0.83, respectively, and the phytic acid rate was 0.075% after fermentation. The experimental animals were fed with 3 mL and 2 mL of soy milk fermented for 40 days. The result showed decreasing the rate of cholesterol and triglyceride in T1 treatment (3 mL of soy milk fermented) which were (114...
March 21, 2017: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/28318254/phosphate-fertilizer-and-growing-environment-change-the-phytochemicals-oil-quality-and-nutritional-composition-of-roundup-ready-genetically-modified-and-conventional-soybean
#10
Tatiane Scilewski da Costa Zanatta, Roberta Manica-Berto, Cristiano Dietrich Ferreira, Michele Maciel Crizel Cardozo, Cesar Valmor Rombaldi, Rui Carlos Zambiazi, Álvaro Renato Guerra Dias
Phosphorus (P) intake, genotype, and growth environment in soybean cultivation can affect the composition of the soybean. This experiment was conducted in two locations (microregions I and II) using a randomized complete block design, including conventional soybean (BRS Sambaíba) and genetically modified (GM) [Msoy 9144 Roundup Ready (RR)] cultivars and varying doses of phosphorus fertilizer (0, 60, 120, and 240 kg/ha P2O5). Soybeans were evaluated for chemical composition, total phenols, phytic acid content, individual isoflavone content, antioxidant activity, oil quality, fatty acid profile, total carotenoid content, and individual tocopherol contents...
March 24, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28317483/a-critical-review-of-bioactive-food-components-and-of-their-functional-mechanisms-biological-effects-and-health-outcomes
#11
Rosa Pérez-Gregorio, Jesús Simal-Gándara
BACKGROUND: Eating behaviours are closely related to some medical conditions potentially leading to death such as cancer, cardiovascular disease and diabetes. Healthy eating practices, maintaining a normal weight, and regular physical activity could prevent up to 80% of coronary heart disease, 90% of type-2 diabetes and one-third of all cancers[1]. METHOD: Over the last two decades, the food industry has invested much effort in research and development of healthier, more nutritious foods...
March 17, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28303054/genetic-variability-for-iron-and-zinc-as-well-as-antinutrients-affecting-bioavailability-in-black-gram-vigna-mungo-l-hepper
#12
Jagdish Singh, Rajani Kanaujia, A K Srivastava, G P Dixit, N P Singh
The mineral content of pulses is generally high, but the bioavailability is poor due to the presence of phytate and polyphenols which inhibits Fe absorption. In the present study, the genetic variability and heritability for seed Fe and Zn content was studied. The effect of genotypes was significant for all the quality traits indicating presence of enough variability among the blackgram genotypes for the traits. The Fe content in 26 blackgram genotypes ranged from 71.02 to 100.20 ppm, whereas Zn content ranged from 18...
March 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28303053/comparison-of-color-anti-nutritional-factors-minerals-phenolic-profile-and-protein-digestibility-between-hard-to-cook-and-easy-to-cook-grains-from-different-kidney-bean-phaseolus-vulgaris-accessions
#13
Naincy Parmar, Narpinder Singh, Amritpal Kaur, Sheetal Thakur
The present study was aimed to evaluate the differences among anti-nutritional factors in relation to mineral absorption and protein digestibility of Easy-to-cook (ETC) and Hard-to-cook (HTC) grains from different kidney bean (KB) accessions.HTC grains showed lower a* (redness to yellowness) and b* (greenness to blueness) values and L* value than ETC grains. HTC grains had significantly higher Ca and Zn and lower Cu, Mn and Fe than ETC grains. ETC and HTC grains showed significant variation in mineral, total phenolic content (TPC), tannin and phytic acid content...
March 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28303048/studies-on-physico-chemical-and-cooking-characteristics-of-rice-bean-varieties-grown-in-ne-region-of-india
#14
Rejaul Hoque Bepary, D D Wadikar, Seuji Borah Neog, P E Patki
Rice bean (Vigna umbellata) is grown in South and Southeast Asia, and the bean has gained importance due to its nutritional strength in terms of dietary fiber, quality protein and minerals. In current study, the nutritional and functional components, cooking and thermo-gravimetric properties of eleven rice bean varieties from NE India were investigated. Results revealed that the major nutrients among the varieties ranged as follows: 54.21-60.49% carbohydrates, 15.64-21.60% protein, 1.22-2.3% fat, 5.53-6.56% crude fibre, 3...
March 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28303042/effect-of-dehulling-germination-and-cooking-on-nutrients-anti-nutrients-fatty-acid-composition-and-antioxidant-properties-in-lentil-lens-culinaris
#15
R S Pal, Anuradha Bhartiya, Pradhuman Yadav, Lakshmi Kant, K K Mishra, J P Aditya, A Pattanayak
The changes in chemical composition, antioxidant activity and fatty acid composition of lentil flour after dehulling, germination and cooking of seeds were investigated. Dehulling showed no significant effect on protein content, however, protein content decreased in most of the varieties after germination and cooking. Total soluble sugars (TSS) content increased significantly after dehulling (2.0-41.64 %) and cooking (2.08-31.07 %) whereas, germination had no significant effect on TSS content. Total lipids increased significantly after dehulling (21...
March 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28303039/nutritional-properties-of-green-gram-germinated-in-mineral-fortified-soak-water-ii-effect-of-cooking-on-total-and-bioaccessible-nutrients-and-bioactive-components
#16
Morteza Oghbaei, Jamuna Prakash
The effect of pressure and microwave cooking on total and bioaccessible nutrients and bioactive components in whole and dehulled green gram (GG) germinated in mineral fortified soak water was studied. Whole GG was soaked in water fortified with iron (100 or 200 mg/100 ml) or zinc (50 or 100 mg/100 ml), germinated, cooked by two methods and analyzed. Results showed that method of cooking did not affect the nutrient composition of whole or dehulled grains, however, phytic acid and dietary fiber were higher in microwave cooked samples...
March 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28299301/solution-of-azelaic-acid-20-resorcinol-10-and-phytic-acid-6-versus-glycolic-acid-50-peeling-agent-in-the-treatment-of-female-patients-with-facial-melasma
#17
Gita Faghihi, Azam Taheri, Zabihollah Shahmoradi, Mohammad Ali Nilforoushzadeh
BACKGROUND: Melasma, a common acquired disorder of hyperpigmentation, especially in women, is often resistant to therapy. This study was aimed to evaluate the efficacy and safety of azelaic acid, resorcinol and phytic acid solution in chemical peeling of melasma in comparison to 50% glycolic acid. MATERIALS AND METHODS: This clinical trial was performed, on 42 female patients with bilateral melasma. Severity of melasma was assessed by melasma area and severity index (MASI)...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28257043/minerals-and-trace-elements-intakes-and-food-consumption-patterns-of-young-children-living-in-rural-areas-of-tibet-autonomous-region-p-r-china-a-cross-sectional-survey
#18
Michael Dermience, Françoise Mathieu, Xiao Wei Li, Stefanie Vandevijvere, William Claus, Viviane De Maertelaer, Ghislaine Dufourny, Li Bin, Dechen Yangzom, Georges Lognay
BACKGROUND AND OBJECTIVES: Several studies revealed clinical signs of stunting and rickets among rural populations of Tibet Autonomous Region (T.A.R.), and especially amid children. Further, these populations are affected by a bone disease named Kashin-Beck disease (KBD). However, little is known about the dietary status of this population. This survey aimed to assess the usual intakes of young Tibetan children living in rural areas around Lhasa for energy, water, and ten minerals and trace elements (Na, K, Ca, P, Mg, Fe, Zn, Cu, Mn, and Se) involved in bone metabolism...
March 1, 2017: Healthcare (Basel, Switzerland)
https://www.readbyqxmd.com/read/28256821/low-cost-and-novel-si-based-gel-for-li-ion-batteries
#19
Fucong Lyu, Zhifang Sun, Bo Nan, Sicen Yu, Lujie Cao, Mingyang Yang, Minchan Li, Wenxi Wang, Shaofei Wu, Shanshan Zeng, Hongtao Liu, Zhouguang Lu
Si-based nanostructure composites have been intensively investigated as anode materials for next-generation lithium-ion batteries because of their ultra-high-energy storage capacity. However, it is still a great challenge to fabricate a perfect structure satisfying all the requirements of good electrical conductivity, robust matrix for buffering large volume expansion, and intact linkage of Si particles upon long-term cycling. Here, we report a novel design of Si-based multicomponent three-dimensional (3D) networks in which the Si core is capped with phytic acid shell layers through a facile high-energy ball-milling method...
March 29, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28244521/phytic-acid-derivative-transition-metal-phosphides-encapsulated-in-n-p-codoped-carbon-an-efficient-and-durable-hydrogen-evolution-electrocatalyst-in-a-wide-ph-range
#20
Zonghua Pu, Ibrahim Saana Amiinu, Chengtian Zhang, Min Wang, Zongkui Kou, Shichun Mu
Applications of highly-efficient and durable non-precious metal electrocatalysts for hydrogen evolution reaction (HER) have great potential to relieve the energy crisis. Here, we demonstrate a green method for fabrication of a number of transition metal phosphides (TMPs) by pyrolyzing melamine and self-assembled phytic acid (PA) cross-linked metal complexes. The obtained materials consisting of TMP nanoparticles (NPs) are encapsulated in N,P-codoped carbon (NPC). Among TMPs, the resultant FeP NPs encapsulated in the NPC matrix (FeP NPs@NPC) show the highest HER activity at all pH values...
February 28, 2017: Nanoscale
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