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https://www.readbyqxmd.com/read/27928889/synthesis-of-a-molecularly-imprinted-polymer-for-the-selective-recognition-of-carmoisine-azorubin-e122-from-pomegranate-juice
#1
Zahra Ghasempour, Mohammad Alizadeh-Khaledabad, Mohammad-Reza Vardast, Mahmoud Rezazad- Bari
Since natural pigments are lost during the processing of beverages like pomegranate juice, carmoisine, as an adulterant, is often added into the pure juice to improve color characteristics. In this study, molecularly imprinted polymers, as adsorbent of carmoisine, were synthesized using acrylamide, methacrylic acid and 4-vinylpyridine as functional monomers and then they were evaluated in terms of separation and detection of carmoisine. Experiments on batch adsorption of carmoisine 10 ppm stock solution revealed a better binding capacity for 4-vinylpyridine based polymer in comparison to methacrylic acid and acrylamide polymers...
December 8, 2016: Journal of Separation Science
https://www.readbyqxmd.com/read/27927683/pharmacokinetics-and-pharmacodynamics-of-inorganic-nitrate-in-heart-failure-with-preserved-ejection-fraction
#2
Payman Zamani, Victor X Tan, Haideliza Soto-Calderon, Melissa Beraun, Jeffrey Brandimarto, Lien Trieu, Swapna Varakantam, Paschalis-Thomas Doulias, Raymond R Townsend, Jesse Chittams, Kenneth B Margulies, Thomas P Cappola, David C Poole, Harry Ischiropoulos, Julio A Chirinos
RATIONALE: Nitrate-rich beetroot juice has been shown to improve exercise capacity in Heart Failure with Preserved Ejection Fraction (HFpEF), but studies using pharmacologic preparations of inorganic nitrate are lacking. OBJECTIVE: To determine: (1) the dose-response effect of potassium nitrate (KNO3) on exercise capacity; (2) the population-specific pharmacokinetic and safety profile of KNO3 in HFpEF. METHODS AND RESULTS: We randomized 12 subjects with HFpEF to oral KNO3 (n=9) or potassium chloride (KCl, n=3)...
December 7, 2016: Circulation Research
https://www.readbyqxmd.com/read/27925496/in-vitro-digestion-antioxidant-and-antiacetylcholinesterase-activities-of-two-species-of-ruta-ruta-chalepensis-and-ruta-montana
#3
Ayda Khadhri, Intidhar Bouali, Samia Belkhir, Rabhi Mokded, Samira Smiti, Pedro Falé, Maria Eduarda M Araújo, Maria Luisa M Serralheiro
CONTEXT: Ruta genus (Rutaceae) is abundantly used and described in the most ancient systematic records of medical practice of the Mediterranean world. In Tunisia, this genus is represented by two medicinal and aromatic shrubs: Ruta chalepensis L. and Ruta montana L. OBJECTIVE: This study investigates the antioxidant and acetylcholinesterase inhibition (AChE) activities before and after in vitro gastrointestinal metabolism of leaf decoction of R. chalepensis and R...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/27925258/ohmic-heating-of-an-electrically-conductive-food-package
#4
Kanyawee Kanogchaipramot, Kullanart Tongkhao, Tanaboon Sajjaanantakul, Pitiya Kamonpatana
Ohmic heating through an electrically conductive food package is a new approach to heat the food and its package as a whole after packing to avoid post-process contamination and to serve consumer needs for convenience. This process has been successfully completed using polymer film integrated with an electrically conductive film to form a conductive package. Orange juice packed in the conductive package surrounded with a conductive medium was pasteurized in an ohmic heater. A mathematical model was developed to simulate the temperature distribution within the package and its surroundings...
December 2016: Journal of Food Science
https://www.readbyqxmd.com/read/27921450/oral-pharmacokinetic-interaction-of-ester-rich-fruit-juices-and-pharmaceutical-excipients-with-tenofovir-disoproxil-fumarate-in-male-wistar-rats
#5
Joseph Shailender, Punna Rao Ravi, Paramita Saha, Srividya Myneni
The aim of this study was to evaluate the role of intestinal esterases on the absorption process of tenofovir disoproxil fumarate (TDF). The esterase inhibition capacity of fruit juices (FJs) rich in ester linkages and pharmaceutical excipients (having ester) was performed in vitro by incubating TDF with each FJ and excipient in the intestinal washings. The ex vivo everted gut sac model was also used to evaluate the absorption enhancement capacity of these FJs and excipients. Single dose oral pharmacokinetic studies were performed by concomitant administration of TDF with each of the selected FJs and excipients...
December 6, 2016: Xenobiotica; the Fate of Foreign Compounds in Biological Systems
https://www.readbyqxmd.com/read/27921366/masked-trichothecene-and-zearalenone-mycotoxins-withstand-digestion-and-absorption-in-the-upper-gi-tract-but-are-efficiently-hydrolyzed-by-human-gut-microbiota-in-vitro
#6
Silvia W Gratz, Reshma Dinesh, Tomoya Yoshinari, Grietje Holtrop, Anthony J Richardson, Gary Duncan, Susan MacDonald, Antony Lloyd, Jonathan Tarbin
SCOPE: Cereal grains are commonly contaminated with Fusarium mycotoxins and their plant-derived masked metabolites. The fate of masked mycotoxins in the human gut is poorly understood. Here we assess the metabolism and transport of glucoside metabolites of common trichothecenes (deoxynivalenol, nivalenol, T-2 toxin) and zearalenone compounds (zearalenone, α- and β-zearalenol) in the human gut in vitro. METHODS AND RESULTS: Masked mycotoxins were incubated with artificial digestive juices and absorption was assessed in differentiated Caco-2/TC7 cells...
December 6, 2016: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/27919669/manothermosonication-mts-treatment-of-apple-carrot-juice-blend-for-inactivation-of-escherichia-coli-0157-h7
#7
Ozan Kahraman, Hyoungill Lee, Wei Zhang, Hao Feng
This study was performed to evaluate the responses of Escherichia coli 0157:H7 inoculated in an apple-carrot blended juice to manothermosonication (MTS) treatments. The MTS treatments were conducted in a continuous-flow MTS system. The juice samples were exposed to ultrasound treatment at combinations of three temperatures (60, 50 and 40°C) and three pressure levels (100, 200, and 300kPa) for five residence times (15, 30, 45, 60, and 75s). The results showed that higher treatment temperature (i.e. 60°C) and hydrostatic pressure in the MTS system significantly enhanced the microbial reduction...
November 24, 2016: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/27918614/effects-of-juice-matrix-and-pasteurization-on-stability-of-black-currant-anthocyanins-during-storage
#8
Gary Dobson, Gordon J McDougall, Derek Stewart, Miguel Ángel Cubero, Reijo O Karjalainen
The effects of juice matrix and pasteurization on the stability of total phenols and especially total and individual anthocyanins were examined in black currant (BC) juice and mixtures with apple, persimmon, and peach juices at 4 °C and 20 °C. Total phenol content decreased in all juices at both temperatures but there was a trend to lower levels in unpasteurized over pasteurized juices. Differences in the decline of total anthocyanins between pasteurized and unpasteurized juices varied according to the juice type and the storage temperature...
December 5, 2016: Journal of Food Science
https://www.readbyqxmd.com/read/27918350/a-case-of-idiopathic-pulmonary-hemosiderosis-presenting-with-signs-and-symptoms-mimicking-hemolytic-anemia
#9
Dilek Doğruel, Ayşe Erbay, Nalan Yazici, Alev Arslan, Bermal Hasbay Biçen
Idiopathic pulmonary hemosiderosis is primarily a disorder of childhood, which is characterized by hemoptysis, iron deficiency anemia, and diffuse parenchymal infiltrates on chest x-ray secondary to recurrent attacks of alveolar hemorrhage. It can be diagnosed by showing hemosiderin laden macrophages in bronchoalveolar lavage fluid after other specific causes of diffuse alveolar hemorrhage are definitely excluded. A 5-year-old male patient was admitted to our clinic with sudden-onset pallor during iron therapy given for anemia...
December 1, 2016: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/27916844/effect-of-thermoultrasound-on-the-antioxidant-compounds-and-fatty-acid-profile-of-blackberry-rubus-fruticosus-spp-juice
#10
José de Jesús Manríquez-Torres, José Antonio Sánchez-Franco, Esther Ramírez-Moreno, Nelly Del Socorro Cruz-Cansino, José Alberto Ariza-Ortega, Jesús Martín Torres-Valencia
Blackberry (Rubus fruticosus spp.) fruit has high antioxidant activity due to its significant content of anthocyanins and antioxidant compounds. Among emerging technologies for food preservation, thermoultrasound is a technique that reduces microbial loads and releases compounds with antioxidant properties. The objective of this study was to determine the antioxidant content and fatty acid profile of blackberry juice subjected to thermoultrasound treatment in comparison to pasteurized juice. Blackberry juice and n-hexane extracts from a control (untreated juice), pasteurized, and thermoultrasonicated samples were evaluated for antioxidant activity, fatty acid profile, and antioxidant content...
November 29, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27916819/the-nutritional-value-and-health-benefits-of-chickpeas-and-hummus
#11
REVIEW
Taylor C Wallace, Robert Murray, Kathleen M Zelman
The 2015-2020 Dietary Guidelines for Americans advocate for increasing vegetable intake and replacing energy-dense foods with those that are nutrient-dense. Most Americans do not eat enough vegetables, and particularly legumes, each day, despite their well-established benefits for health. Traditional hummus is a nutrient-dense dip or spread made from cooked, mashed chickpeas, blended with tahini, olive oil, lemon juice, and spices. Consumers of chickpeas and/or hummus have been shown to have higher nutrient intakes of dietary fiber, polyunsaturated fatty acids, vitamin A, vitamin E, vitamin C, folate, magnesium, potassium, and iron as compared to non-consumers...
November 29, 2016: Nutrients
https://www.readbyqxmd.com/read/27909231/influence-of-dietary-nitrate-supplementation-on-physiological-and-muscle-metabolic-adaptations-to-sprint-interval-training
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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