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https://www.readbyqxmd.com/read/28749932/corrigendum-pentose-sugars-inhibit-metabolism-and-increase-expression-of-an-agrd-type-cyclic-pentapeptide-in-clostridium-thermocellum
#1
Tobin J Verbeke, Richard J Giannone, Dawn M Klingeman, Nancy L Engle, Thomas Rydzak, Adam M Guss, Timothy J Tschaplinski, Steven D Brown, Robert L Hettich, James G Elkins
This corrects the article DOI: 10.1038/srep43355.
July 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28749436/disparities-in-snacking-trends-in-us-adults-over-a-35-year-period-from-1977-to-2012
#2
Elizabeth K Dunford, Barry M Popkin
BACKGROUND: Previous studies have indicated that snacking is contributing to increased calories in the American diet, and that the contribution of snacks to energy intake has increased in recent decades. OBJECTIVE: The objective was to examine trends in the energy intake deriving from snacks and food sources of snacks for US adults over 35 years from 1977 to 2012, and whether these trends differ across sociodemographic groups. METHODS: Participants included 74,291 US adults aged ≥19 years who participated in the 1977-1978 Nationwide Food Consumption Survey (NFCS); the 1989-1991 Continuing Survey of Food Intake by Individuals (CSFII), the 1994-1996 CSFII, the 1997-1998 CSFII, National Health and Nutrition Examination Survey (NHANES) 2003-2004, NHANES 2005-2006, NHANES 2009-2010 and NHANES 2011-2012; all surveys are a stratified random sample of the total civilian, non-institutionalized US population...
July 27, 2017: Nutrients
https://www.readbyqxmd.com/read/28749430/evaluation-of-the-nutritional-quality-of-chinese-kale-brassica-alboglabra-bailey-using-uhplc-quadrupole-orbitrap-ms-ms-based-metabolomics
#3
Ya-Qin Wang, Li-Ping Hu, Guang-Min Liu, De-Shuang Zhang, Hong-Ju He
Chinese kale (Brassica alboglabra Bailey) is a widely consumed vegetable which is rich in antioxidants and anticarcinogenic compounds. Herein, we used an untargeted ultra-high-performance liquid chromatography (UHPLC)-Quadrupole-Orbitrap MS/MS-based metabolomics strategy to study the nutrient profiles of Chinese kale. Seven Chinese kale cultivars and three different edible parts were evaluated, and amino acids, sugars, organic acids, glucosinolates and phenolic compounds were analysed simultaneously. We found that two cultivars, a purple-stem cultivar W1 and a yellow-flower cultivar Y1, had more health-promoting compounds than others...
July 27, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28749420/physicochemical-and-sensorial-characterization-of-honey-spirits
#4
Ofélia Anjos, David Frazão, Ilda Caldeira
Distilled spirits are usually made from fermented sugar-based materials, such as wines or fermented fruits, but other products can be used, namely berries or honey. In this work, an evaluation of honey spirits is done based on its physicochemical and sensory characteristics. Fourteen honey spirit samples of different brands of honey spirit were purchased at the market and from artisan Portuguese producers. Several analytical determinations, namely alcoholic strength, dry matter, density, total acidity, chromatic characteristics, methanol, acetaldehyde, ethyl acetate and higher alcohols were done to characterize all samples...
July 27, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28749143/self-assembly-of-escin-molecules-at-the-air-water-interface-studied-by-molecular-dynamics
#5
Sonya Rusiyanova Tsibranska, Anela Ivanova, Slavka Tcholakova, Nikolai D Denkov
Escin belongs to a large class of natural bio-surfactants, called saponins, which are present in more than 500 plant species. Saponins are applied in pharmaceutical, cosmetic, food and beverage industries, due to their variously expressed bioactivity and surface activity. In particular, Escin adsorption layers at the air-water interface exhibit unusually high surface elastic modulus (> 1100 mN/m) and high surface viscosity (ca. 130 N.s/m). The molecular origin of these unusual surface rheological properties is still unclear...
July 27, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28748528/parenting-practices-and-children-s-dental-caries-experience-a-structural-equation-modelling-approach
#6
S Kumar, J Tadakamadla, M J Zimmer-Gembeck, J Kroon, R Lalloo, N W Johnson
AIM: To evaluate the direct and mediated associations between parenting practices and dental caries experience in Indian school children. METHODS: The target population consisted of school children and their parents (N=1539) of Medak district in the state of Telangana, India. Parents completed a questionnaire that consisted of questions related to socioeconomic status (SES), family structure, the number of children, their own oral hygiene behaviour and parenting practices...
July 27, 2017: Community Dentistry and Oral Epidemiology
https://www.readbyqxmd.com/read/28748432/resin-glycosides-from-convolvulaceae-plants
#7
REVIEW
Masateru Ono
Resin glycosides are well known as purgative ingredients, which are characteristic of certain crude drugs such as Mexican Scammony Radix, Orizabae Tuber, and Jalapae Tuber, all of which originate from Convolvulaceae plants. Depending on their solubility in ether, these are roughly classified into two groups-jalapin (soluble) and convolvulin (insoluble). Almost all jalapins hitherto isolated and characterized had common intramolecular macrocyclic ester structures. These are composed of 1 mol of oligoglycoside of hydroxyl fatty acid (glycosidic acid) partially acylated by some organic acids at the sugar moiety, some examples of which are ester-type dimers...
July 26, 2017: Journal of Natural Medicines
https://www.readbyqxmd.com/read/28748321/aqueous-ammonia-pretreatment-of-sugar-beet-pulp-for-enhanced-enzymatic-hydrolysis
#8
Guanhua Li, Wei He, Lin Yuan
Aqueous ammonia pretreatment under various temperatures was applied to enhance enzymatic hydrolysis of sugar beet pulp (SBP), and the mechanism of pretreatment was evaluated in terms of the enzymatic hydrolysis, chemical composition, pore size distribution, crystallinity index, and microstructure. The results showed that aqueous ammonia played a vital role in degrading of neutral detergent soluble fraction as well as softening and partly exposing of cellulose under moderate temperatures. Apertures of various sizes in the SBP tissues were formed, specific surface area was increased, and the fiber became rougher after pretreatment...
July 26, 2017: Bioprocess and Biosystems Engineering
https://www.readbyqxmd.com/read/28748277/kribbella-sindirgiensis-sp-nov-isolated-from-soil
#9
Fadime Ozdemir-Kocak, Kamil Isik, Salih Saricaoglu, Hayrettin Saygin, Kadriye Inan-Bektas, Demet Cetin, Kiymet Guven, Nevzat Sahin
A Kribbella strain FSN23(T) was isolated from soil sample which was collected from Caygoren Dam lakeside located in Sındırgı, Turkey. The isolate was investigated using a polyphasic approach consisting of numeric, chemotaxonomic and molecular analysis. The isolate indicated chemotaxonomic, morphological and phylogenetic properties associated with members of the genus Kribbella. Phylogenetic analysis based on the 16S rRNA sequence of the strain demonstrated that the strain forms a subclade with K. aluminosa HKI 0478(T) and K...
July 26, 2017: Archives of Microbiology
https://www.readbyqxmd.com/read/28748131/an-in-vitro-investigation-of-immunomodulatory-properties-of-lactobacillus-plantarum-and-l-delbrueckii-cells-and-their-extracellular-polysaccharides
#10
Mana Kishimoto, Ryohei Nomoto, Masashi Mizuno, Ro Osawa
Many probiotic lactobacilli and their extracellular polysaccharides (EPS) have beneficial immunological properties. However, it is unclear how they elicit the host immune response. We thus investigated the immunological properties of UV-killed Lactobacillus delbrueckii TU-1 and L. plantarum KM-9 cells as well as their extracellular polysaccharides (EPSs). High-performance liquid chromatography and ion exchange chromatography analyses showed that their EPSs differ in sugar composition and sugar fractionation...
2017: Bioscience of Microbiota, Food and Health
https://www.readbyqxmd.com/read/28748072/the-evaluation-of-saccharose-replacing-by-adding-stevioside-maltodextrin-mixture-on-the-physicochemical-and-sensory-properties-of-naanberenji-an-iranian-confectionary
#11
Amirpouya Ghandehari Yazdi, Mohammad Hojjatoleslamy, Javad Keramat, Mahshid Jahadi, Elahe Amani
Stevia is a natural, non-nutritive sweetener can replace sugar in your diet to control diabetes and aid in weight loss. Naanberenji, an Iranian traditional cookie, is a well-reputed confectionary containing high sucrose and calorie value, for this reason its consumption in healthy diet has been restricted. In this study, the effect of sucrose replacement by stevioside-maltodextrin mixture on physicochemical properties of Naanberenji was evaluated in four replacing levels including 25%, 50%, 75%, and 100%. Results of texture evaluation revealed that hardness increases due to adding stevioside-maltodextrin (p < ...
July 2017: Food Science & Nutrition
https://www.readbyqxmd.com/read/28748040/effect-of-erythritol-on-microbial-ecology-of-in-vitro-gingivitis-biofilms
#12
Marleen Marga Janus, Catherine Minke Charlotte Volgenant, Bernd Willem Brandt, Mark Johannes Buijs, Bart Jan Frederik Keijser, Wim Crielaard, Egija Zaura, Bastiaan Philip Krom
Gingivitis is one of the most common oral infections in humans. While sugar alcohols such as erythritol are suggested to have caries-preventive properties, it may also have beneficial effects in prevention of gingivitis by preventing maturation of oral biofilms. The aim of this study was to assess the effect of erythritol on the microbial ecology and the gingivitis phenotype of oral microcosms. Biofilms were inoculated with stimulated saliva from 20 healthy donors and grown in a gingivitis model in the continuous presence of 0 (control group), 5, and 10% erythritol...
2017: Journal of Oral Microbiology
https://www.readbyqxmd.com/read/28747924/endocytosis-of-atrgs1-is-regulated-by-the-autophagy-pathway-after-d-glucose-stimulation
#13
Quanquan Yan, Jingchun Wang, Zheng Qing Fu, Wenli Chen
Sugar, as a signal molecule, has significant functions in signal transduction in which the seven-transmembrane regulator of G-protein signaling (RGS1) protein participates. D-Glucose causes endocytosis of the AtRGS1, leading to the physical uncoupling of AtRGS1 from AtGPA1 and thus a release of the GAP activity and concomitant sustained activation of G-protein signaling. Autophagy involves in massive degradation and recycling of cytoplasmic components to survive environmental stresses. The function of autophagy in AtRGS1 endocytosis during D-glucose stimulation has not been elucidated...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28747831/optimization-of-sugar-replacement-with-date-syrup-in-prebiotic-chocolate-milk-using-response-surface-methodology
#14
Sahar Kazemalilou, Ainaz Alizadeh
Chocolate milk is one of the most commonly used non-fermentative dairy products, which, due to high level of sucrose, could lead to diabetes and tooth decay among children. Therefore, it is important to replace sucrose with other types of sweeteners, especially, natural ones. In this research, response surface methodology (RSM) was used to optimize the ingredients formulation of prebiotic chocolate milk, date syrup as sweetener (4-10%w/w), inulin as prebiotic texturizer (0-0.5%w/w) and carrageenan as thickening agent (0-0...
2017: Korean Journal for Food Science of Animal Resources
https://www.readbyqxmd.com/read/28747653/amino-group-in-leptothrix-sheath-skeleton-is-responsible-for-direct-deposition-of-fe-iii-minerals-onto-the-sheaths
#15
Tatsuki Kunoh, Syuji Matsumoto, Noriyuki Nagaoka, Shoko Kanashima, Katsuhiko Hino, Tetsuya Uchida, Katsunori Tamura, Hitoshi Kunoh, Jun Takada
Leptothrix species produce microtubular organic-inorganic materials that encase the bacterial cells. The skeleton of an immature sheath, consisting of organic exopolymer fibrils of bacterial origin, is formed first, then the sheath becomes encrusted with inorganic material. Functional carboxyl groups of polysaccharides in these fibrils are considered to attract and bind metal cations, including Fe(III) and Fe(III)-mineral phases onto the fibrils, but the detailed mechanism remains elusive. Here we show that NH2 of the amino-sugar-enriched exopolymer fibrils is involved in interactions with abiotically generated Fe(III) minerals...
July 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28746554/phenological-characterization-and-temperature-requirements-of-annona-squamosa-l-in-the-brazilian-semiarid-region
#16
Débora S Mendes, Marlon C T Pereira, Silvia Nietsche, Joseilton F Silva, Josiele S Rocha, Athos H Mendes, Helisson R A Xavier, Rayane C Dos Santos
The phenological growth stages of various species of monocotyledonous and dicotyledonous plants can be uniformly coded using the Biologische Bundesanstalt, Bundessortenamt, und Chemische Industrie (BBCH) scale. The aim of the present study was to determine the duration of different phenological stages and the temperature requirements of the sugar-apple, Annona squamosa, during two crop cycles in the semiarid region of Brazil. Phenological stages were divided into eight of ten possible principal stages: (0) bud development, (1) leaf development, (3) shoot/branch development, (5) inflorescence emergence, (6) flowering, (7) fruit development, (8) fruit maturity and (9) senescence and the beginning of dormancy...
July 20, 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/28746532/effects-of-emissions-from-sugar-cane-burning-on-the-trachea-and-lungs-of-wistar-rats
#17
Verena Sampaio Barbosa Matos, Felipe da Silva Gomes, Tarcio Macena Oliveira, Renata da Silva Schulz, Lídia Cristina Villela Ribeiro, Astria Dias Ferrão Gonzales, Januário Mourão Lima, Marcos Lázaro da Silva Guerreiro
Objective: To evaluate the effects of exposure to emissions from sugar cane burning on inflammatory mechanisms in tissues of the trachea and lung parenchyma in Wistar rats after different periods of exposure. Methods: This was an experimental open randomized study. The animals were divided into four groups: a control group (CG) underwent standard laboratory conditions, and three experimental groups were exposed to emissions from sugar cane burning over different periods of time, in days-1 (EG1), 7 (EG7), and 21 (EG21)...
May 2017: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/28746366/synthesis-fungicidal-evaluation-and-3d-qsar-studies-of-novel-1-3-4-thiadiazole-xylofuranose-derivatives
#18
Guanghui Zong, Xiaojing Yan, Jiawei Bi, Rui Jiang, Yinan Qin, Huizhu Yuan, Huizhe Lu, Yanhong Dong, Shuhui Jin, Jianjun Zhang
1,3,4-Thiadiazole and sugar-derived molecules have proven to be promising agrochemicals with growth promoting, insecticidal and fungicidal activities. In the research field of agricultural fungicide, applying union of active group we synthesized a new set of 1,3,4-thiadiazole xylofuranose derivatives and all of the compounds were characterized by 1H NMR and HRMS. In precise toxicity measurement, some of compounds exhibited more potent fungicidal activities than the most widely used commercial fungicide Chlorothalonil, promoting further research and development...
2017: PloS One
https://www.readbyqxmd.com/read/28745885/chemical-synthesis-demonstrates-dynamic-o-glycosylation-regulates-folding-and-functional-conformation-of-a-pivotal-egf12-domain-of-human-notch1-receptor
#19
Shun Hayakawa, Yasuhiro Yokoi, Hiroshi Hinou, Shin-Ichiro Nishimura
The interaction of human NOTCH1 receptor and its ligands is a crucial step to initiate the intracellular signal transductions, in which O-glycosylation of the extracellular EGF-like domain is known to modify this pathway that strongly affects multiple aspects of cell differentiation, development, and cancer biology. In spite of the emerging importance of O-glycosylation in the NOTCH signaling pathway, consequences of this dynamic O-glycosylation processes in ER/Golgi on the folding of functional EGF-like domains re-main unclear...
July 26, 2017: Biochemistry
https://www.readbyqxmd.com/read/28745876/ionic-liquids-as-tool-to-improve-enzymatic-organic-synthesis
#20
Toshiyuki Itoh
Ionic liquids (ILs) have now been acknowledged as reaction media for biotransformations. The first three examples were reported in this field in 2000, and since then, numerous applications have been reported for biocatalytic reactions using ILs. Two topics using ILs for enzymatic reactions have been reviewed from the standpoint of biocatalyst mediating organic synthesis; the first is "Biocatalysis in Ionic Liquids" which includes various types of biocatalytic reactions in ILs (section 2): (1) recent examples of lipase-mediated reactions using ILs as reaction media for biodiesel oil production and for sugar ester production, (2) oxidase-catalyzed reactions in ILs, (3) laccase-catalyzed reactions, (4) peroxidase-catalyzed reactions, (4) cytochrome-mediated reactions, (5) microbe-mediated hydrations, (6) protease-catalyzed reactions, (8) whole cell mediated asymmetric reduction of ketones, (10) acylase-catalyzed reactions, (11) glycosylation or cellulase-mediated hydrolysis of polysaccharides, (12) hydroxynitrile lyase-catalyzed reaction, (13) fluorinase or haloalkane dehydrogenase-catalyzed reaction, (14) luciferase-catalyzed reactions, and (15) biocatalytic promiscuity of enzymatic reactions for organic synthesis using ILs...
July 26, 2017: Chemical Reviews
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