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https://www.readbyqxmd.com/read/29777807/identification-of-polysaccharides-extracted-from-pea-pod-by-products-and-evaluation-of-their-biological-and-functional-properties
#1
Lilia Belghith-Fendri, Fatma Chaari, Khawla Ben Jeddou, Fatma Kallel, Fatma Bouaziz, Claire Boisset Helbert, Lobna Abdelkefi-Mesrati, Semia Ellouz-Chaabouni, Dhouha Ghribi-Aydi
A three-variable Box-Behnken design was employed to obtain the best possible combination of extraction time, ratio (raw material/water) and extraction temperature to allow maximum extraction yield of polysaccharides from pea pod (PPP). The preferred extraction conditions were: extraction time 195 min, extraction temperature 70 °C and ratio of raw material/water 1/40. Under these conditions, the experimental yield was 16.21 ± 1.12%, which is in close agreement with the value predicted by response surface methodology model yield (16...
May 16, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29777696/sterilized-bifidobacteria-suppressed-fat-accumulation-and-blood-glucose-level
#2
Keita Kikuchi, Mahmoud Ben Othman, Kazuichi Sakamoto
Probiotics such as Lactobacillus and Bifidobacterium improve the balance of intestinal microflora and have various physiological functions beneficial to human health. It is not always known whether the ingested microbial cells are viable- or killed. However, even sterilized bacterial cells are functional. Bacterial cell functions are strain-specific and their modes of action are still poorly understood. The aim of this study was to elucidate the roles of sterilized bifidobacteria in obesity and lipid metabolism...
May 16, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29776925/unravelling-the-reduction-pathway-as-alternative-metabolic-route-to-hydroxycinnamate-decarboxylation-in-lactobacillus-plantarum
#3
Laura Santamaría, Inés Reverón, Félix López de Felipe, Blanca de Las Rivas, Rosario Muñoz
Lactobacillus plantarum is the lactic acid bacterial species most frequently found in plant-food fermentations where hydroxycinnamic acids are abundant. L. plantarum efficiently decarboxylates these compounds, and also reduces them, yielding substituted phenylpropionic acids. Although the reduction step is known to be induced by a hydroxycinnamic acid, the enzymatic machinery responsible for this reduction pathway has not been yet identified and characterized. A previous study on the transcriptomic response of L...
May 18, 2018: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29776677/myotropic-activity-of-allatostatins-in-tenebrionid-beetles
#4
Jan Lubawy, Paweł Marciniak, Mariola Kuczer, Grzegorz Rosiński
Neuropeptides control the functioning of the nervous system of insects, and they are the most diverse signalling molecules in terms of structure and function. Allatostatins are pleiotropic neuropeptides that are considered potent myoinhibitors of muscle contractions in insects. We investigated the effects caused by three distinct allatostatins, Dippu-AST1 (LYDFGL-NH2 from Diploptera punctata), Grybi-MIP1 (GWQDLNGGW-NH2 from Gryllus bimaculatus) and Trica-ASTC (pESRYRQCYFNPISCF-OH from Tribolium castaneum) on contractile activity of the myocardium, oviduct and hindgut of two tenebrionid beetles, Tenebrio molitor and Zophobas atratus...
May 9, 2018: Neuropeptides
https://www.readbyqxmd.com/read/29776331/genome-wide-detection-of-selection-signatures-in-chinese-indigenous-laiwu-pigs-revealed-candidate-genes-regulating-fat-deposition-in-muscle
#5
Minhui Chen, Jiying Wang, Yanping Wang, Ying Wu, Jinluan Fu, Jian-Feng Liu
BACKGROUND: Currently, genome-wide scans for positive selection signatures in commercial breed have been investigated. However, few studies have focused on selection footprints of indigenous breeds. Laiwu pig is an invaluable Chinese indigenous pig breed with extremely high proportion of intramuscular fat (IMF), and an excellent model to detect footprint as the result of natural and artificial selection for fat deposition in muscle. RESULT: In this study, based on GeneSeek Genomic profiler Porcine HD data, three complementary methods, FST , iHS (integrated haplotype homozygosity score) and CLR (composite likelihood ratio), were implemented to detect selection signatures in the whole genome of Laiwu pigs...
May 18, 2018: BMC Genetics
https://www.readbyqxmd.com/read/29776185/master-stability-functions-reveal-diffusion-driven-pattern-formation-in-networks
#6
Andreas Brechtel, Philipp Gramlich, Daniel Ritterskamp, Barbara Drossel, Thilo Gross
We study diffusion-driven pattern formation in networks of networks, a class of multilayer systems, where different layers have the same topology, but different internal dynamics. Agents are assumed to disperse within a layer by undergoing random walks, while they can be created or destroyed by reactions between or within a layer. We show that the stability of homogeneous steady states can be analyzed with a master stability function approach that reveals a deep analogy between pattern formation in networks and pattern formation in continuous space...
March 2018: Physical Review. E
https://www.readbyqxmd.com/read/29775719/the-characteristics-and-antioxidation-of-oudemansiella-radicata-selenium-polysaccharides-on-lipopolysaccharide-induced-endo-toxemic-mice
#7
Zheng Gao, Chen Zhang, Hui Liu, Yongfa Zhu, Zhenzhen Ren, Huijuan Jing, Shangshang Li, Jianjun Zhang, Xingtian Liu, Le Jia
The selenium polysaccharides (SPS) by Oudemansiella radicata were isolated, and two hydrolysates (enzymatic-SPS (ESPS) and acidic-SPS (ASPS)) were obtained by enzymolysis and acidolysis. The endo-toxemic-induced lung and kidney damages were successfully established by the lipopolysaccharides (LPS) injection (5 mg/kg/d). The in vivo mice experiments indicated that the ESPS showed superior antioxidant and protective effects against the LPS-toxicities by increasing the antioxidant activities, reducing lipid peroxidation, improving the inflammatory response and elevating the kidney and lung functions than SPS and ASPS...
May 15, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29775716/ovalbumin-as-a-carrier-to-significantly-enhance-the-aqueous-solubility-and-photostability-of-curcumin-interaction-and-binding-mechanism-study
#8
Yujia Liu, Yanxue Cai, Danyang Ying, Yinlian Fu, Yahong Xiong, Xueyi Le
Egg ovalbumin (OVA) as a macromolecular carrier has the potential to improve the solubility and stability of insolubility bioactive molecules, however, their binding behavior and the mechanism is still ambiguous. In this work, the curcumin was selected as the target to study the interaction and binding mechanism between curcumin and OVA by thermodynamic titration technique in combination with molecular dynamic simulation. The results suggested that the binding included two steps: first, curcumin molecule entered into the hydrophobic pocket of OVA by hydrophobic interaction; and second the interaction was enhanced via hydrogen bonds, resulting in static fluorescence quenching and secondary structural change of OVA...
May 15, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29775545/effect-of-bamboo-vinegar-powder-as-an-antibiotic-alternative-on-the-digesta-bacteria-communities-of-finishing-pigs
#9
Huan Qu, Yanjie Huang, Yinghao Shi, Ying Liu, Shenglong Wu, Wenbin Bao
This study investigated the use for bamboo vinegar powder as an antibiotic alternative in the diet of growing-finishing pigs by examining their digestive bacterial communities. Forty-five Duroc × Landrace × Yorkshire growing-finishing pigs were randomly allocated to five diet groups: 0%,0.5%, 1.0%, or 1.5% bamboo vinegar levels and antibiotics. After 37 days, the digesta in duodenum of four pigs from each treatment were analyzed for their bacterial community compositions using 16S rRNA gene sequencing. Addition of 1...
May 18, 2018: Canadian Journal of Microbiology
https://www.readbyqxmd.com/read/29775189/investigating-mixing-and-emptying-for-aqueous-liquid-content-from-the-stomach-using-a-coupled-biomechanical-sph-model
#10
Simon M Harrison, Paul W Cleary, Matthew D Sinnott
The stomach is a critical organ for food digestion but it is not well understood how it operates, either when healthy or when dysfunction occurs. Stomach function depends on the timing and amplitude of wall contractions, the fill level and the type of gastric content. Using a coupled biomechanical-Smoothed Particle Hydrodynamics (B-SPH) model, we investigate how gastric discharge is affected by the contraction behaviour of the stomach wall and the viscosity of the content. The results of the model provide new insights into how the content viscosity and the number of compression waves down the length of the stomach affect the mixing within and the discharge rate of the content exiting from the stomach to the duodenum...
May 18, 2018: Food & Function
https://www.readbyqxmd.com/read/29775057/analysis-of-improved-nutritional-composition-of-potential-functional-food-okara-after-probiotic-solid-state-fermentation
#11
Sulagna Gupta, Jaslyn J L Lee, Wei Ning Chen
Okara is a major agro-waste, generated as a byproduct from the soymilk and tofu industry. Since okara has a high nutritive value, reusing it as a substrate for solid state biofermentation is an economical and environmental friendly option. Rhizopus oligosporus and Lactobacillus plantarum were the probiotic FDA-approved food-grade cultures used in this study. The study revealed that biofermenting okara improves its nutritional composition. It was found that the metabolomic composition (by GC-MS analysis) and antioxidant activity (by DPPH test) improved after the microbial fermentations...
May 18, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29774938/-analysis-of-risk-factors-of-prolonged-postoperative-ileus-after-gastric-cancer-surgery
#12
Ning Wang, Lin Chen, Mingsen Li, Naizhong Jin, Bo Wei
OBJECTIVE: To investigate the risk factors of prolonged postoperative ileus (PPOI) after gastric cancer surgery. METHODS: Definition of PPOI was that gastrointestinal function did not return to normal within 96 hours after operation. Diagnostic criteria of PPOI were as follows: according with over 2 below conditions at postoperative 97-hour: (1) moderate to severe sick (mild: 1-3 points, moderate: 4-7 points, severe: 8-10 points) or vomiting occurred in past 12 hours...
May 25, 2018: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/29774015/comparative-proteomic-and-morphological-change-analyses-of-staphylococcus-aureus-during-resuscitation-from-prolonged-freezing
#13
Biao Suo, Hua Yang, Yuexia Wang, Haipeng Lv, Zhen Li, Chao Xu, Zhilu Ai
When frozen, Staphylococcus aureus survives in a sublethally injured state. However, S. aureus can recover at a suitable temperature, which poses a threat to food safety. To elucidate the resuscitation mechanism of freezing survived S. aureus , we used cells stored at -18°C for 90 days as controls. After resuscitating the survived cells at 37°C, the viable cell numbers were determined on tryptic soy agar with 0.6% yeast extract (TSAYE), and the non-injured-cell numbers were determined on TSAYE supplemented with 10% NaCl...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29773924/mercury-in-the-diatoms-of-various-ecological-formations
#14
Magdalena Bełdowska, Aleksandra Zgrundo, Justyna Kobos
Mercury is a neurotoxin, its main source in the human organism being fish and seafood. The first level in the marine food web is formed of planktonic and benthic photosynthetic microorganisms, which form a biofilm on the surface of the hard bottom (epilithon) or plants (epiphyton). They are carriers of nutritional as well as toxic substances and pass these on to subsequent levels of the trophic web. Their biomass is often dominated by diatoms. This was the basis for the presented study into Hg accumulation in epilithic, epiphytic and planktonic diatoms, which was carried out in 2012-2013 in the coastal zone of the Puck Lagoon and the Gulf of Gdańsk (southern Baltic)...
2018: Water, Air, and Soil Pollution
https://www.readbyqxmd.com/read/29773315/impact-of-dredged-material-disposal-on-soft-bottom-communities-in-a-recurrent-marine-dumping-area-near-to-guadalquivir-estuary-spain
#15
I Donázar-Aramendía, J E Sánchez-Moyano, I García-Asencio, J M Miró, C Megina, J C García-Gómez
This study assesses the effects of dredged material disposal in a recurrent marine dump near the Guadalquivir Estuary (south-western Spain). We compared the changes observed with two reference areas combining a classical ecological approach with new stable isotope techniques to analyse trophic structure. We detected permanent changes in the macrofaunal community structure as well as in the diversity and biotic indices applied, which showed higher values in the disposal area. The community in the marine dump had lost the natural temporal variations observed in the reference areas...
May 7, 2018: Marine Environmental Research
https://www.readbyqxmd.com/read/29772811/phenolic-compositions-and-antioxidant-activities-differ-significantly-among-sorghum-grains-with-different-applications
#16
Shuyu Shen, Rui Huang, Charlie Li, Wenyan Wu, Honglin Chen, John Shi, Shiguo Chen, Xingqian Ye
Sorghum grains with different applications had different phenolic profiles, which were corresponded to various antioxidant capacities. In this study, total phenolic, proanthocyanidins and flavonoids contents, as well as contents of individual phenolic compounds from sorghum grains with various applications were determined, and their antioxidant capacities were evaluated. Total phenolic contents (TPC) and total proanthocyanidins contents (TPAC) showed strong correlation with antioxidant activities ( r > 0...
May 17, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29772734/high-pressure-treatment-of-non-hydrated-flour-affects-structural-characteristics-and-hydration
#17
Sabina Jakobi, Mario Jekle, Thomas Becker
In recent years, high-pressure treatment (HPT) has become an established process concerning the preservation of food. However, studies dealing with the structural, and consequently functional modification of non-hydrated starchy matrices (moisture content ≤ 15%) by HPT are missing. To close this knowledge gap, pressure (0⁻600 MPa, 10 min) and pressurization time depending (0⁻20 min, 450 MPa) alterations of wheat flour were investigated. Pressure rise from 0 to 600 MPa or pressurization time rise from 0 to 20 min resulted in a decline of amylopectin content from 68...
May 16, 2018: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/29772531/effects-of-oxidized-lipids-and-lipoproteins-on-cardiac-function
#18
Tahar Hajri
Oxidative modifications of lipids and lipoproteins have long been linked to the pathogenesis of cardiovascular diseases including atherosclerosis and coronary disease. Furthermore, overwhelming evidence indicate that oxidized lipids are also associated with myocardial dysfunction and cardiomyopathy. Oxidized lipid derivatives are generated by enzymatic and non-enzymatic reactions with unsaturated lipids in the cell and foods. In addition, blood LDL particles are prone to oxidation leading to the formation of oxidized LDL (oxLDL), which is often associated with obesity, diabetes and metabolic disease...
June 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/29772513/a-transition-to-white-led-increases-ecological-impacts-of-nocturnal-illumination-on-aquatic-primary-producers-in-a-lowland-agricultural-drainage-ditch
#19
Maja Grubisic, Roy H A van Grunsven, Alessandro Manfrin, Michael T Monaghan, Franz Hölker
The increasing use of artificial light at night (ALAN) has led to exposure of freshwater ecosystems to light pollution worldwide. Simultaneously, the spectral composition of nocturnal illumination is changing, following the current shift in outdoor lighting technologies from traditional light sources to light emitting diodes (LED). LEDs emit broad-spectrum white light, with a significant amount of photosynthetically active radiation, and typically a high content of blue light that regulates circadian rhythms in many organisms...
May 14, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29772185/therapies-for-mobility-disability-in-persons-with-multiple-sclerosis
#20
Jessica F Baird, Brian M Sandroff, Robert W Motl
Mobility disability is one of the most widespread and impactful consequences of multiple sclerosis (MS). Disease modifying drugs (DMDs) may delay the progression of disability over time; however, there is minimal evidence supporting the efficacy of DMDs for reversing mobility disability or restoring ambulatory function in persons with MS. Areas covered: This review outlines symptomatic pharmacologic and non-pharmacologic therapeutic approaches that target mobility disability with the goal of restoring and improving walking function...
May 17, 2018: Expert Review of Neurotherapeutics
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