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https://www.readbyqxmd.com/read/27909231/influence-of-dietary-nitrate-supplementation-on-physiological-and-muscle-metabolic-adaptations-to-sprint-interval-training
#1
Christopher Thompson, Lee J Wylie, Jamie R Blackwell, Jonathan Fulford, Matthew I Black, James Kelly, Sinead T J McDonagh, James Carter, Stephen J Bailey, Anni Vanhatalo, Andrew M Jones
We hypothesized that 4 weeks of dietary nitrate supplementation would enhance exercise performance and muscle metabolic adaptations to sprint interval training (SIT). Thirty six recreationally-active subjects, matched on key variables at baseline, completed a series of exercise tests before and following a 4 week period in which they were allocated to one of the following groups: 1) SIT and NO3(-)-depleted beetroot juice as a placebo (SIT+PL); 2) SIT and NO3(-)-rich beetroot juice (~13mmol NO3(-)/day; SIT+BR); or 3) no training and NO3(-)-rich beetroot juice (NT+BR)...
December 1, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27907002/chemical-composition-an-antioxidant-cytotoxic-and-microbiological-activity-of-the-essential-oil-from-the-leaves-of-aeollanthus-suaveolens-mart-ex-spreng
#2
Rosany Lopes Martins, Ranggel Carvalho Simões, Érica de Menezes Rabelo, Ana Luzia Ferreira Farias, Alex Bruno Lobato Rodrigues, Ryan da Silva Ramos, João Batista Fernandes, Lourivaldo da Silva Santos, Sheylla Susan Moreira da Silva de Almeida
Aeollanthus suaveolens species popularly known as catinga de mulata belongs to the Lamiaceae family. In the Amazon region, it is used in folk medicine for the treatment of gastritis, convulsions of epileptic origin, stomach pain and diarrhea in the form of tea and juice. Essential oils have analgesic, anti-inflammatory, and antimicrobial activity. This study evaluated the chemical composition of the A. suaveolens essential oil, and its cytotoxic, antimicrobial and antioxidant activity on Artemia salina Leach...
2016: PloS One
https://www.readbyqxmd.com/read/27905883/carbohydrate-metabolism-in-oenococcus-oeni-a-genomic-insight
#3
Alice Cibrario, Claire Peanne, Marine Lailheugue, Hugo Campbell-Sills, Marguerite Dols-Lafargue
BACKGROUND: Oenococcus oeni is the bacterial species that drives malolactic fermentation in most wines. Several studies have described a high intraspecific diversity regarding carbohydrate degradation abilities but the link between the phenotypes and the genes and metabolic pathways has been poorly described. RESULTS: A collection of 41 strains whose genomic sequences were available and representative of the species genomic diversity was analyzed for growth on 18 carbohydrates relevant in wine...
December 1, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27904398/stability-of-rosmarinic-acid-in-aqueous-extracts-from-different-lamiaceae-species-after-in-vitro-digestion-with-human-gastrointestinal-enzymes
#4
Zoran Zorić, Joško Markić, Sandra Pedisić, Viljemka Bučević-Popović, Ivana Generalić-Mekinić, Katarina Grebenar, Tea Kulišić-Bilušić
The present study compares the gastrointestinal stability of rosmarinic acid in aqueous extracts of thyme, winter savory and lemon balm with the stability of pure rosmarinic acid. The stability of rosmarinic acid was detected after two-phase in vitro digestion process (gastric and duodenal) with human gastrointestinal enzymes. The concentration of rosmarinic acid in undigested and digested samples was detected using HPLC-DAD. Results showed that gastrointestinal stability of pure rosmarinic acid was significantly higher than that of rosmarinic acid from plant extracts after both gastric and intestinal phases of digestion...
March 2016: Food Technology and Biotechnology
https://www.readbyqxmd.com/read/27904390/ascorbate-oxidase-based-amperometric-biosensor-for-l-ascorbic-acid-determination-in-beverages
#5
Gábor Csiffáry, Péter Fűtő, Nóra Adányi, Attila Kiss
A novel biosensor for l-ascorbic acid determination in different beverages was elaborated. The ascorbate oxidase enzyme (AAO) from Cucurbita sp., EC 1.10.3.3, was immobilized on a screen-printed carbon electrode with poly(ethylene glycol) (400) diglycidyl ether (PEGDGE) as a crosslinking agent. The standards and samples were measured first with a blank electrode. An inert protein, bovine serum albumin (BSA), was immobilized on the surface of this electrode with PEGDGE. The BSA mass was equivalent to the mass of 10 U of AAO enzyme immobilized on the electrodes (0...
March 2016: Food Technology and Biotechnology
https://www.readbyqxmd.com/read/27902728/a-smart-capsule-system-for-automated-detection-of-intestinal-bleeding-using-hsl-color-recognition
#6
Panpan Qiao, Hongying Liu, Xueping Yan, Ziru Jia, Xitian Pi
There are no ideal means for the diagnosis of intestinal bleeding diseases as of now, particularly in the small intestine. This study investigated an intelligent intestinal bleeding detection capsule system based on color recognition. After the capsule is swallowed, the bleeding detection module (containing a color-sensitive adsorptive film that changes color when absorbing intestinal juice,) is used to identify intestinal bleeding features. A hue-saturation-light color space method can be applied to detect bleeding according to the range of H and S values of the film color...
2016: PloS One
https://www.readbyqxmd.com/read/27902246/allodekkera-sacchari-gen-nov-sp-nov-a-novel-yeast-species-in-the-saccharomycetales-isolated-from-a-sugar-factory-in-thailand
#7
Rumpa Jutakanoke, Rikiya Endoh, Masako Takashima, Moriya Ohkuma, Somboon Tanasupawat, Ancharida Akaracharanya
Three yeast isolates, G5-5(5), G5-9(3) and G5-9(4), were obtained from the sugarcane juice and waste from sugar production plant (Korach Industry Co., Ltd.) in Korach province, Thailand. They were found to be the same species based on DNA sequence identity of the small subunit ribosomal RNA gene (SSU) and the D1/D2 region of the large subunit rRNA gene (LSU D1/D2). A BLASTn search of the GenBank database revealed they had 93% nucleotide sequence identity to D. bruxellensis for the SSU (1742 bp), but their LSU D1/D2 sequence (572 bp) showed less than 90% identity to all available sequences in the database...
October 25, 2016: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/27901205/six-month-color-change-and-water-sorption-of-9-new-generation-flowable-composites-in-6-staining-solutions
#8
Maria Arregui, Luis Giner, Marco Ferrari, Marta Vallés, Montserrat Mercadé
Color match and water sorption are two factors that affect restorative materials. Discoloration is essential in the lifespan of restorations. The aim of this study was to evaluate color change and water sorption of nine flowable composites at multiple time points over 6 months. 60 samples of each composite were divided into two groups (Color Change and Water Sorption/Solubility). Each Color Change group was divided into six subgroups, which were immersed in distilled water (DW), coffee (CF), Coca-Cola (CC), red wine (RW), tea (TE) and orange juice (OJ)...
November 28, 2016: Brazilian Oral Research
https://www.readbyqxmd.com/read/27901186/orange-juice-with-a-high-fat-meal-prolongs-postprandial-lipemia-in-apparently-healthy-overweight-obese-women
#9
Raquel Cristina L A Coelho, Helen Hermana M Hermsdorff, Renata S Gomide, Raquel Duarte M Alves, Josefina Bressan
Objective: We investigated the postprandial response of lipid markers to a high-fat meal (HFM) with two different beverages in apparently healthy normal-weight and overweight/obese women. Subjects and methods: This crossover, randomized study enrolled 36 women, of whom 21 had normal weight (body mass index [BMI] 22 ± 1.8 kg/m2) and 15 had overweight/obesity (BMI 31 ± 3.7 kg/m2). In two different test days, the participants ingested a HFM (37% of energy as saturated fat) with 500 mL of water (HFM-W) or 500 mL of orange juice (HFM-OJ)...
November 24, 2016: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27899294/impact-of-food-choice-on-sodium-intake-patterns-from-multiple-nhanes-surveys
#10
Zefeng Dong, Zhifeng Gao, Brandon McFadden
To examine how the food consumption from various food groups would impact American adults' sodium intake and whether this impact structurally changes over time, data were obtained from six-cycle National Health and Nutrition Examination Survey (NHANES) 1999-2010. Foods were categorized by the first two digits of the USDA food code. Regression models were employed to investigate the associations between the consumption of each food group and sodium intake, and whether there were changes in the associations in consecutive six cycles...
November 26, 2016: Appetite
https://www.readbyqxmd.com/read/27899060/determination-of-patulin-in-apple-juice-using-magnetic-solid-phase-extraction-coupled-with-high-performance-liquid-chromatography
#11
Youwei Yu, Zhefeng Fan
An efficient magnetic sorbent consisting of benzofuran-2-carboxylic acid-loaded magnetic nanocomposite was successfully synthesized for preconcentration of patulin from apple juice. The prepared magnetic nanocomposite was characterized by scanning electron microscopy, transmission electron microscopy, and Fourier transform-infrared spectroscopy. Determination of enriched patulin was performed by HPLC. The best adsorption conditions were 40 mg of sorbent, 50 mL of apple juice sample, pH 5, ambient temperature and 25 min; the elution conditions were 500 μL methanol, pH 5, ambient temperature, and 4 min...
November 30, 2016: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/27897608/modulating-oxidative-stress-and-inflammation-in-elders-the-moxie-study
#12
Amy Cameron Ellis, Tanja Dudenbostel, Julie L Locher, Kristi Crowe-White
Cardiovascular disease (CVD) is the leading cause of death among women in the United States. Endothelial dysfunction and arterial stiffness increase with advancing age and are early predictors of future CVD outcomes. We designed the Modulating Oxidative Stress and Inflammation in Elders (MOXIE) study to examine the effects of 100% watermelon juice as a "food-first" intervention to reduce CVD risk among African American (AA) and European American (EA) women aged 55-69 years. Vascular dysfunction is more pronounced in AA compared to EA women due in part to lower nitric oxide bioavailability caused by higher oxidative stress...
October 2016: Journal of Nutrition in Gerontology and Geriatrics
https://www.readbyqxmd.com/read/27896913/nausea-and-vomiting-in-early-pregnancy-effects-on-food-intake-and-diet-quality
#13
Sarah R Crozier, Hazel M Inskip, Keith M Godfrey, Cyrus Cooper, Sian M Robinson
Experiences of nausea and/or vomiting in pregnancy (NVP) vary greatly, but the paucity of studies with pre-pregnancy dietary data mean that little is known about the effects of NVP on diet. Using an administered food frequency questionnaire, diet was assessed before pregnancy and at 11 and 34 weeks' gestation in 2270 participants in a UK birth cohort study (Southampton Women's Survey). Experience of NVP in early pregnancy was graded as none, mild, moderate, or severe. Participants reported their level of food consumption as more, the same, or less than before pregnancy...
November 29, 2016: Maternal & Child Nutrition
https://www.readbyqxmd.com/read/27895542/effect-of-tart-cherry-juice-on-recovery-and-next-day-performance-in-well-trained-water-polo-players
#14
Rachel McCormick, Peter Peeling, Martyn Binnie, Brian Dawson, Marc Sim
BACKGROUND: Tart Montmorency cherries contain high concentrations of phytochemicals and anthocyanins, which have recently been linked to improved athletic recovery and subsequent performance. To date however, previous work reporting promising results has focused on land-based endurance sports, with any potential benefits to team sports remaining unknown. As such, this investigation set-out to examine the effect of supplemental tart cherry juice (CJ) on recovery and next day athletic performance in highly-trained water-based team sport athletes over seven days...
2016: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/27894512/probabilistic-approach-for-assessing-infants-health-risks-due-to-ingestion-of-nanoscale-silver-released-from-consumer-products
#15
Chengfang Pang, Danail Hristozov, Alex Zabeo, Lisa Pizzol, Michael P Tsang, Phil Sayre, Antonio Marcomini
Silver nanoparticles (n-Ag) are widely used in consumer products and many medical applications because of their unique antibacterial properties. Their use is raising concern about potential human exposures and health effects. Therefore, it is informative to assess the potential human health risks of n-Ag in order to ensure that nanotechnology-based consumer products are deployed in a safe and sustainable way. Even though toxicity studies clearly show the potential hazard of n-Ag, there have been few attempts to integrate hazard and exposure assessments to evaluate risks...
November 25, 2016: Environment International
https://www.readbyqxmd.com/read/27891082/reward-and-behavioral-factors-contributing-to-the-tonic-activity-of-monkey-pedunculopontine-tegmental-nucleus-neurons-during-saccade-tasks
#16
Ken-Ichi Okada, Yasushi Kobayashi
The pedunculopontine tegmental nucleus (PPTg) in the brainstem plays a role in controlling reinforcement learning and executing conditioned behavior. We previously examined the activity of PPTg neurons in monkeys during a reward-conditioned, visually guided saccade task, and reported that a population of these neurons exhibited tonic responses throughout the task period. These tonic responses might depend on prediction of the upcoming reward, successful execution of the task, or both. Here, we sought to further distinguish these factors and to investigate how each contributes to the tonic neuronal activity of the PPTg...
2016: Frontiers in Systems Neuroscience
https://www.readbyqxmd.com/read/27890698/clementine-juice-has-the-potential-for-drug-interactions-in-vitro-comparison-with-grapefruit-and-mandarin-juice
#17
Dirk Theile, Nicolas Hohmann, Dominik Kiemel, Giuseppe Gattuso, Davide Barreca, Gerd Mikus, Walter Emil Haefeli, Vedat Schwenger, Johanna Weiss
Adverse drug interactions due to grapefruit juice are well known prompting warnings even in drug labels. Similar issues have not been reported for clementines and available data is scarce, despite of genetic descent. We observed substantially increased tacrolimus trough concentrations in a renal transplant patient consuming high clementine amounts and, thus, scrutinised the effects of clementine juice on drug metabolism and drug transporters in vitro and compared it to the effects of mandarin and grapefruit juice...
November 24, 2016: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27890482/dietary-nitrate-does-not-affect-physical-activity-outcomes-in-health-older-adults-in-a-randomized-crossover-trial
#18
Mario Siervo, Clio Oggioni, Djordje G Jakovljevic, Michael Trenell, John C Mathers, David Houghton, Carlos Celis-Morales, Ammar W Ashor, Alan Ruddock, Mayur Ranchordas, Markos Klonizakis, Elizabeth A Williams
Although dietary nitrate (NO3(-)) ingestion appears to enhance exercise capacity and performance in young individuals, inconclusive findings have been reported in older people. Therefore, we conducted a double-blind, crossover randomized clinical trial using beetroot juice in older healthy participants, who were classified as normal weight and overweight. We tested whether consumption of beetroot juice (a rich source of NO3(-)) for 1 week would increase nitric oxide bioavailability via the nonenzymatic pathway and enhance (1) exercise capacity during an incremental exercise test, (2) physical capability, and (3) free-living physical activity...
November 14, 2016: Nutrition Research
https://www.readbyqxmd.com/read/27889422/symptomatic-pancreatic-duct-stones-in-the-disconnected-bile-duct-a-case-series
#19
Alexander R Ende, Shayan Irani, Richard A Kozarek
BACKGROUND: Pancreaticobiliary maljunction (PBM) refers to the union of the pancreatic and biliary ducts outside of the duodenal wall. Patients are at increased risk of bile duct and gallbladder cancer, likely secondary to pancreatic juice refluxing into the biliary tree, and it is recommended that they undergo biliary diversion. METHODS: This is a case series of all patients in our institution with PBM and bilioenteric anastomosis who presented with symptomatic pancreatic duct stones in a disconnected bile duct...
November 14, 2016: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/27889158/fat-and-fibre-interfere-with-the-dramatic-effect-that-nanoemulsified-d-limonene-has-on-the-heat-resistance-of-listeria-monocytogenes
#20
Javier Maté, Paula M Periago, María Ros-Chumillas, Coralin Grullón, Juan Pablo Huertas, Alfredo Palop
The application of d-limonene in form of nanoemulsion has been proved to reduce dramatically the thermal resistance of Listeria monocytogenes in culture media. The present research shows very promising results on the application in food products. The thermal resistance of L. monocytogenes was reduced 90 times when 0.5 mM nanoemulsified d-limonene was added to apple juice. This is the biggest reduction in the heat resistance of a microorganism caused by an antimicrobial described ever. However, no effect was found in carrot juice...
April 2017: Food Microbiology
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