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https://www.readbyqxmd.com/read/28812194/amorphous-silica-promoted-lysine-dimerization-a-thermodynamic-prediction
#1
Norio Kitadai, Kumiko Nishiuchi, Akari Nishii, Keisuke Fukushi
It has long been suggested that mineral surfaces played a crucial role in the abiotic polymerization of amino acids that preceded the origin of life. Nevertheless, it remains unclear where the prebiotic process took place on the primitive Earth, because the amino acid-mineral interaction and its dependence on environmental conditions have yet to be understood adequately. Here we examined experimentally the adsorption of L-lysine (Lys) and its dimer (LysLys) on amorphous silica over a wide range of pH, ionic strength, adsorbate concentration, and the solid/water ratio, and determined the reaction stoichiometries and the equilibrium constants based on the extended triple-layer model (ETLM)...
August 15, 2017: Origins of Life and Evolution of the Biosphere
https://www.readbyqxmd.com/read/28805907/evaluation-of-essential-oils-and-prebiotics-for-newborn-dairy-calves
#2
K A Froehlich, K W Abdelsalam, C Chase, J Koppien-Fox, D P Casper
A blend of essential oils (EO; carvacrol, caryophyllene, -cymene, cineole, terpinene, and thymol) and prebiotics (arabinogalactans; Stay Strong; Ralco, Inc., Marshall, MN) was designed to promote immunity and stimulate appetite to diminish health challenges and stresses experienced by newborn calves. It was hypothesized that calves supplemented with the medium dose (2.5 g/feeding) of the commercial EO would demonstrate the optimal response. The study objective was to determine the optimal feeding rate of EO when added to a milk replacer (MR) compared with feeding a control or a yeast cell wall additive (YCW)...
August 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28805460/case-study-of-homeopathic-bowel-nosode-remedies-for-dysbiotic-japanese-patients
#3
Yoko Uchiyama-Tanaka
BACKGROUND: The composition of intestinal microbiota is very important in human health. Gastrointestinal disturbances are among the symptoms commonly reported by individuals diagnosed with chronic diseases, such as inflammatory bowel disease, autism, and chronic fatigue syndrome. The effects of probiotics and prebiotics for dysbiosis have been reported in many studies. Bowel nosodes are homeopathic remedies made from human gut microbiota. OBJECTIVE: Bowel nosodes made from the intestinal bacteria of European patients from the 1900s were administered to Japanese patients suffering from gastrointestinal disturbances, such as constipation and diarrhea, to determine their therapeutic efficacy...
August 14, 2017: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/28802232/the-activity-of-hou-po-da-huang-tang-is-improved-through-intestinal-bacterial-metabolism-and-hou-po-da-huang-tang-selectively-stimulate-the-growth-of-intestinal-bacteria-associated-with-health
#4
Xing-Yan Liu, Huai-You Wang, Xue-Qing Li, Juan-Juan Wu, Bo-Yang Yu, Ji-Hua Liu
Hou-Po-Da-Huang Tang (HPDHT) was used for the treatment of intestinal tract diseases in China. However, the underlying mechanisms via the intestinal bacteria remain largely unclear. Therefore, the aim of this study was to evaluate the metabolism of HPDHT by the human intestinal bacteria and its modulating effect on the intestinal bacteria. As a result, a total of 34 compounds were identified in HPDHT and transformed HPDHT (T-HPDHT). Among them, 12 metabolites were proved to be transformed by human intestinal bacteria...
August 9, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28799777/functional-and-therapeutic-potential-of-inulin-a-comprehensive-review
#5
Waqas Ahmed, Summer Rashid
Inulin as a heterogeneous blend of fructose polymers is diversely found in nature primarily as storage carbohydrates in plants. Besides, inulin is believed to induce certain techno-functional and associated properties in food systems. Inulin owing to its foam forming ability has been successfully used as fat replacer in quite a wide range of products as dairy and baked products. Furthermore, it is known to impart certain nutritional and therapeutic benefits that extend apart to improve health and reduce the risk of many lifestyle related diseases...
August 11, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/28795848/use-of-prebiotic-carbohydrate-as-wall-material-on-lime-essential-oil-microparticles
#6
Pedro Henrique Campelo, Jayne de Abreu Figueiredo, Rosana Zacarias Domingues, Regiane Victória de Barros Fernandes, Diego Alvarenga Botrel, Soraia Vilela Borges
The aim of this work was to study the use of different prebiotic biopolymers in lime essential oil microencapsulation. Whey protein isolate, inulin and oligofructose biopolymers were used. The addition of prebiotic biopolymers reduced emulsion viscosity, althoughit produced larger droplet sizes (0.31-0.32µm). Moisture values (2.94-3.13 g/100 g dry solids) and water activity (0.152-0.185) were satisfactory, being within the appropriate range for powdered food quality.Total oil content, limonene retention values and antioxidant activity of the microparticles containing essential oildecreased in the presence of the carbohydrates...
August 10, 2017: Journal of Microencapsulation
https://www.readbyqxmd.com/read/28793992/short-chain-fatty-acids-prebiotics-synbiotics-and-systemic-inflammation-a-systematic-review-and-meta-analysis
#7
Rebecca F McLoughlin, Bronwyn S Berthon, Megan E Jensen, Katherine J Baines, Lisa G Wood
Background: Prebiotic soluble fibers are fermented by beneficial bacteria in the colon to produce short-chain fatty acids (SCFAs), which are proposed to have systemic anti-inflammatory effects.Objective: This review examines the effect of SCFAs, prebiotics, and pre- and probiotic combinations (synbiotics) on systemic inflammation.Design: Relevant English language studies from 1947 to May 2017 were identified with the use of online databases. Studies were considered eligible if they examined the effects of SCFAs, prebiotics, or synbiotics; were delivered orally, intravenously, or per rectum; were on biomarkers of systemic inflammation in humans; and performed meta-analysis where possible...
August 9, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28793770/assessment-of-in-vitro-digestibility-of-dietary-carbohydrates-using-rat-small-intestinal-extract
#8
Alvaro Ferreira-Lazarte, Agustin Olano, Mar Villamiel, F Javier Moreno
There are few studies on the assessment of digestibility of non-digestible carbohydrates, despite their increasingly important role in human health. In vitro digestibility of a range of dietary carbohydrates classified as digestible (maltose, sucrose and lactose), well-recognized (lactulose, fructooligosaccharides (FOS) and two types of galactooligosaccharides (GOS) differing in the predominant glycosidic linkage) and potential (lactosucrose and GOS from lactulose, OsLu) prebiotics using a rat small intestinal extract (RSIE) under physiological conditions of temperature and pH is described...
August 10, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28791292/the-role-of-supplemental-complex-dietary-carbohydrates-and-gut-microbiota-in-promoting-cardiometabolic-and-immunological-health-in-obesity-lessons-from-healthy-non-obese-individuals
#9
REVIEW
Petra C Vinke, Sahar El Aidy, Gertjan van Dijk
Dietary supplementation with complex carbohydrates is known to alter the composition of gut microbiota, and optimal implementation of the use of these so called "prebiotics" could be of great potential in prevention and possibly treatment of obesity and associated cardiometabolic and inflammatory diseases via changes in the gut microbiota. An alternative to this "microbiocentric view" is the idea that health-promoting effects of certain complex carbohydrates reside in the host, and could secondarily affect the diversity and abundance of gut microbiota...
2017: Frontiers in Nutrition
https://www.readbyqxmd.com/read/28790981/determination-of-resistant-starch-assimilating-bacteria-in-fecal-samples-of-mice-by-in-vitro-rna-based-stable-isotope-probing
#10
Elena Herrmann, Wayne Young, Douglas Rosendale, Ralf Conrad, Christian U Riedel, Markus Egert
The impact of the intestinal microbiota on human health is becoming increasingly appreciated in recent years. In consequence, and fueled by major technological advances, the composition of the intestinal microbiota in health and disease has been intensively studied by high throughput sequencing approaches. Observations linking dysbiosis of the intestinal microbiota with a number of serious medical conditions including chronic inflammatory disorders and allergic diseases suggest that restoration of the composition and activity of the intestinal microbiota may be a treatment option at least for some of these diseases...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28774885/prebiotic-galacto-oligosaccharides-mitigate-the-adverse-effects-of-iron-fortification-on-the-gut-microbiome-a-randomised-controlled-study-in-kenyan-infants
#11
Daniela Paganini, Mary A Uyoga, Guus A M Kortman, Colin I Cercamondi, Diego Moretti, Tanja Barth-Jaeggi, Clarissa Schwab, Jos Boekhorst, Harro M Timmerman, Christophe Lacroix, Simon Karanja, Michael B Zimmermann
OBJECTIVE: Iron-containing micronutrient powders (MNPs) reduce anaemia in African infants, but the current high iron dose (12.5 mg/day) may decrease gut Bifidobacteriaceae and Lactobacillaceae, and increase enteropathogens, diarrhoea and respiratory tract infections (RTIs). We evaluated the efficacy and safety of a new MNP formula with prebiotic galacto-oligosaccharides (GOS) combined with a low dose (5 mg/day) of highly bioavailable iron. DESIGN: In a 4-month, controlled, double-blind trial, we randomised Kenyan infants aged 6...
August 3, 2017: Gut
https://www.readbyqxmd.com/read/28771949/synbiotic-approaches-to-human-health-and-well-being
#12
Thomas Gurry
Synbiotics refer to combinations of probiotics and prebiotics that act synergistically to confer health benefits to the host. As a therapeutic strategy, they provide a gentle yet powerful method for modulating the composition and metabolic output of the human gut microbiota. In the context of achieving the UN Sustainable Development Goals, synbiotics have the potential to act as cost-effective prophylactic measures against a variety of human ailments, ranging from infant diarrhoea to metabolic and inflammatory diseases in adults, by maintaining commensal microbial communities and metabolic networks that are conducive to human health...
August 3, 2017: Microbial Biotechnology
https://www.readbyqxmd.com/read/28770233/airway-epithelial-repair-by-a-prebiotic-mannan-derived-from-saccharomyces-cerevisiae
#13
Christie F Michael, Christopher M Waters, Kim S LeMessurier, Amali E Samarasinghe, Chi Y Song, Kafait U Malik, D Betty Lew
In asthmatic airways, repeated epithelial damage and repair occur. No current therapy directly targets this process. We aimed to determine the effects of mannan derived from S. cerevisiae (SC-MN) on airway epithelial wound repair, in vitro. The presence of functional mannose receptors in bronchial epithelial cells was shown by endocytosis of colloidal gold-Man BSA via clathrin-coated pits in 16HBE cells. In primary normal human bronchial epithelial cells (NHBEC), SC-MN significantly facilitated wound closure...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28770186/corrigendum-to-prebiotics-a-novel-approach-to-treat-hepatocellular-carcinoma
#14
Naz Fatima, Tasleem Akhtar, Nadeem Sheikh
[This corrects the article DOI: 10.1155/2017/6238106.].
2017: Canadian Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28769028/erratum-catalyzed-synthesis-of-zinc-clays-by-prebiotic-central-metabolites
#15
Ruixin Zhou, Kaustuv Basu, Hyman Hartman, Christopher J Matocha, S Kelly Sears, Hojatollah Vali, Marcelo I Guzman
A correction to this article has been published and is linked from the HTML version of this paper. The error has been fixed in the paper.
August 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28768369/recent-developments-in-understanding-the-role-of-the-gut-microbiota-in-brain-health-and-disease
#16
REVIEW
Eoin Sherwin, Timothy G Dinan, John F Cryan
There is a growing appreciation of the role of the gut microbiota in all aspects of health and disease, including brain health. Indeed, roles for the bacterial commensals in various psychiatric and neurological conditions, such as depression, autism, stroke, Parkinson's disease, and Alzheimer's disease, are emerging. Microbiota dysregulation has been documented in all of these conditions or in animal models thereof. Moreover, depletion or modulation of the gut microbiota can affect the severity of the central pathology or behavioral deficits observed in a variety of brain disorders...
August 2, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28766345/prebiotics-intestinal-microorganisms-and-atherosclerosis-in-memory-emil-ginter-dsc-1931-2017
#17
V Simko
No abstract text is available yet for this article.
2017: Bratislavské Lekárske Listy
https://www.readbyqxmd.com/read/28762780/applications-of-prebiotics-in-food-industry-a-review
#18
Vinti Singla, S Chakkaravarthi
Benefits of prebiotics for stimulating a healthy intestinal tract are well known. From suppression of pathogens to proliferation of indigenous bacteria of intestines, prebiotics have it all. Since the research on the scope of prebiotics is expanding, new applications are coming up every day thus upgrading the choices consumer has for a healthy living. Incorporation of prebiotics in a wide range of products that food industry offers on shelf is an innovative way to replace fat and sugars along with enhancing the mouthfeel by providing better tongue lubrication...
January 1, 2017: Food Science and Technology International, Ciencia y Tecnología de Los Alimentos Internacional
https://www.readbyqxmd.com/read/28758921/nitrogenous-derivatives-of-phosphorus-and-the-origins-of-life-plausible-prebiotic-phosphorylating-agents-in-water
#19
REVIEW
Megha Karki, Clémentine Gibard, Subhendu Bhowmik, Ramanarayanan Krishnamurthy
Phosphorylation under plausible prebiotic conditions continues to be one of the defining issues for the role of phosphorus in the origins of life processes. In this review, we cover the reactions of alternative forms of phosphate, specifically the nitrogenous versions of phosphate (and other forms of reduced phosphorus species) from a prebiotic, synthetic organic and biochemistry perspective. The ease with which such amidophosphates or phosphoramidate derivatives phosphorylate a wide variety of substrates suggests that alternative forms of phosphate could have played a role in overcoming the "phosphorylation in water problem"...
July 29, 2017: Life
https://www.readbyqxmd.com/read/28754020/in-situ-%C3%AE-glucan-fortification-of-cereal-based-matrices-by-pediococcus-parvulus-2-6-technological-aspects-and-prebiotic-potential
#20
Adrián Pérez-Ramos, María Luz Mohedano, Paloma López, Giuseppe Spano, Daniela Fiocco, Pasquale Russo, Vittorio Capozzi
Bacterial exopolysaccharides produced by lactic acid bacteria are of increasing interest in the food industry, since they might enhance the technological and functional properties of some edible matrices. In this work, Pediococcus parvulus 2.6, which produces an O2-substituted (1,3)-β-d-glucan exopolysaccharide only synthesised by bacteria, was proposed as a starter culture for the production of three cereal-based fermented foods. The obtained fermented matrices were naturally bio-fortified in microbial β-glucans, and used to investigate the prebiotic potential of the bacterial exopolysaccharide by analysing the impact on the survival of a probiotic Lactobacillus plantarum strain under starvation and gastrointestinal simulated conditions...
July 21, 2017: International Journal of Molecular Sciences
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