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Autumn Oczkowski, Bryan Taplin, Richard Pruell, Adam Pimenta, Roxanne Johnson, Jason Grear
Coastal ecosystems are inherently complex and potentially adaptive as they respond to changes in nutrient loads and climate. We documented the role that carbon stable isotope (δ13 C) measurements could play in understanding that adaptation with a series of three Ecostat (i.e., continuous culture) experiments. We quantified linkages among δ13 C, nutrients, carbonate chemistry, primary, and secondary production in temperate estuarine waters. Experimental culture vessels (9.1 L) containing 33% whole and 67% filtered (0...
February 14, 2018: Frontiers in Marine Science
Peter Greaves
The aim of this study was to examine the impact of regional diets on the health of the poor in mid-Victorian Britain. Contemporary surveys of regional diets and living condition were reviewed. This information was compared with mortality data from Britain over the same period. Although there was an overall improvement in life expectancy during the latter part of the 19th century, there were large regional differences in lifestyle, diet and mortality rates. Dietary surveys showed that the poor labouring population in isolated rural areas of England, in the mainland and islands of Scotland and in the west of Ireland enjoyed the most nutritious diets...
March 2018: JRSM Open
Karen Nørgaard Nielsen, Julia Peics, Tao Ma, Iuliia Karavaeva, Morten Dall, Sabina Chubanava, Astrid L Basse, Oksana Dmytriyeva, Jonas T Treebak, Zachary Gerhart-Hines
OBJECTIVE: The ability of adipose tissue to expand and contract in response to fluctuations in nutrient availability is essential for the maintenance of whole-body metabolic homeostasis. Given the nutrient scarcity that mammals faced for millions of years, programs involved in this adipose plasticity were likely evolved to be highly efficient in promoting lipid storage. Ironically, this previously advantageous feature may now represent a metabolic liability given the caloric excess of modern society...
March 7, 2018: Molecular Metabolism
Helen J Dranse, T M Zaved Waise, Sophie C Hamr, Paige V Bauer, Mona A Abraham, Brittany A Rasmussen, Tony K T Lam
High protein feeding improves glucose homeostasis in rodents and humans with diabetes, but the mechanisms that underlie this improvement remain elusive. Here we show that acute administration of casein hydrolysate directly into the upper small intestine increases glucose tolerance and inhibits glucose production in rats, independently of changes in plasma amino acids, insulin levels, and food intake. Inhibition of upper small intestinal peptide transporter 1 (PepT1), the primary oligopeptide transporter in the small intestine, reverses the preabsorptive ability of upper small intestinal casein infusion to increase glucose tolerance and suppress glucose production...
March 16, 2018: Nature Communications
Carrie J Butts-Wilmsmeyer, Rita H Mumm, Kent Rausch, Gurshagan Kandhola, Nicole Yana, Mary Happ, Alexandra Ostezan, Matthew Wasmund, Martin O Bohn
The notion that many nutrients and beneficial phytochemicals in maize are lost due to food product processing is common, but this has not been studied in detail for the phenolic acids. Information regarding changes in phenolic acid content throughout processing is highly valuable because some phenolic acids are chemopreventive agents of aging-related diseases. It is unknown when and why these changes in phenolic acid content might occur during processing, whether some maize genotypes might be more resistant to processing induced changes in phenolic acid content than other genotypes, or if processing affects the bioavailability of phenolic acids in maize-based food products...
March 16, 2018: Journal of Agricultural and Food Chemistry
Hege Berg Henriksen, Monica Hauger Carlsen, Ingvild Paur, Sveinung Berntsen, Siv Kjølsrud Bøhn, Anne Juul Skjetne, Ane Sørlie Kværner, Christine Henriksen, Lene Frost Andersen, Sigbjørn Smeland, Rune Blomhoff
Background: The Norwegian food-based dietary guidelines (FBDG) aim at reducing the risk of developing chronic diseases and promote overall health. We studied the effect of the Norwegian FBDG in colorectal cancer (CRC) patients. There is a need for a time-efficient dietary assessment tool measuring adherence to these guidelines in patients treated for dietary dependent cancer, such as CRC patients. Objective: To evaluate a new short food frequency questionnaire (NORDIET-FFQ), developed to estimate adherence to the Norwegian FBDG among CRC patients...
2018: Food & Nutrition Research
H F Dale, J G Hatlebakk, N Hovdenak, S O Ystad, G A Lied
BACKGROUND: Non-coeliac gluten-sensitivity (NCGS) has been proposed as a new entity with unknown prevalence and mechanisms, and there is a need for a standardized procedure to confirm the diagnosis. The objective of this study was to characterize the response to an oral gluten-challenge in patients with a symptom-relief when following a gluten free-diet (GFD). METHODS: Twenty patients (14F/6M, age range: 21-62 years) with suspected NCGS, without coeliac disease and wheat-allergy, were included while on a gluten-free diet...
March 15, 2018: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
Sean C Lucan, Andrew R Maroko, Jason L Seitchik, Don Yoon, Luisa E Sperry, Clyde B Schechter
Local businesses that offer foods may create different 'grazing environments' (characterized by sources of ready-to-consume foods) and 'grocery environments' (characterized by source of foods for later preparation). Such environments may be relevant to different populations at different times and may vary by neighborhood. In neighborhoods within two demographically distinct areas of the Bronx, NY [Area A (higher-poverty, greater minority representation, lesser vehicle ownership) vs. Area B], researchers assessed all storefront businesses for food offerings...
March 14, 2018: Journal of Community Health
Fabíola Aliaga de Lima, Isabela Mateus Martins, Ana Faria, Conceição Calhau, Joana Azevedo, Iva Fernandes, Nuno Mateus, Gabriela Alves Macedo
Phenolic acids have been reported to play a role on the antioxidant activity and other important biological activities. However, as most polyphenolics in food products are either bound to cellular matrices or present as free polymeric forms, the way they are absorbed has not been totally clear until now. Hydrolytic enzymes may act to increase functionalities in polyphenolic-rich foods, enhancing the bioaccessibility of phenolic compounds and minerals from whole grains. The aim of this study was to evaluate the action of tannin acyl hydrolase (tannase) on the total phenols, phenolic acid profile, antioxidant capacity and in vitro bioaccessibility of phenolic acids found in whole rye flour (RF)...
March 14, 2018: Food & Function
Cristiana Maurella, Silvia Gallina, Giuseppe Ru, Daniela Adriano, Alberto Bellio, Daniela Manila Bianchi, Laura Chiavacci, Maria Ines Crescio, Margherita Croce, Valeria D'Errico, Maria Franca Dupont, Alessandro Marra, Ubaldo Natangelo, Francesco Pomilio, Angelo Romano, Stefano Stanzione, Teresa Zaccaria, Fabio Zuccon, Maria Caramelli, Lucia Decastelli
In May 2016, two separate clusters of febrile gastroenteritis caused by Listeria monocytogenes were detected by the local health authority in Piedmont, in northern Italy. We carried out epidemiological, microbiological and traceback investigations to identify the source. The people affected were students and staff members from two different schools in two different villages located in the Province of Turin; five of them were hospitalised. The epidemiological investigation identified a cooked beef ham served at the school canteens as the source of the food-borne outbreak...
March 2018: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
Barbara Albiger, Joana Revez, Katrin Claire Leitmeyer, Marc J Struelens
In an era of global health threats caused by epidemics of infectious diseases and rising multidrug resistance, microbiology laboratories provide essential scientific evidence for risk assessment, prevention, and control. Microbiology has been at the core of European infectious disease surveillance networks for decades. Since 2010, these networks have been coordinated by the European Centre for Disease Prevention and Control (ECDC). Activities delivered in these networks include harmonization of laboratory diagnostic, antimicrobial susceptibility and molecular typing methods, multicentre method validation, technical capacity mapping, training of laboratory staff, and continuing quality assessment of laboratory testing...
2018: Frontiers in Public Health
Tianlu Wang, Celine R Gillebert
Visuospatial attention and short-term memory allow us to prioritize, select, and briefly maintain part of the visual information that reaches our senses. These cognitive abilities are quantitatively accounted for by Bundesen's theory of visual attention (TVA; Bundesen, 1990). Previous studies have suggested that TVA-based assessments are sensitive to inter-individual differences in spatial bias, visual short-term memory capacity, top-down control, and processing speed in healthy volunteers as well as in patients with various neurological and psychiatric conditions...
2018: Frontiers in Psychology
Marco Alexander Fraatz, Michael Goldmann, Torsten Geissler, Egon Gross, Michael Backes, Jens-Michael Hilmer, Jakob Ley, Johanna Rost, Alexander Francke, Holger Zorn
A number of methyl-branched aldehydes impart interesting flavor impressions, and especially 12-methyltridecanal is a highly sought after flavoring compound for savory foods. Its smell is reminiscent of cooked meat and tallow. For the biotechnological production of 12-methyltridecanal, the literature was screened for fungi forming iso-fatty acids. Suitable organisms were identified and successfully grown in submerged cultures. The culture medium was optimized to increase the yields of branched fatty acids. A recombinant carboxylic acid reductase was used to reduce 12-methyltridecanoic acid to 12-methyltridecanal...
March 14, 2018: Journal of Agricultural and Food Chemistry
Mathieu Santonja, Laura Pellan, Christophe Piscart
Plant litter decomposition is an essential ecosystem function that contributes to carbon and nutrient cycling in streams. Aquatic shredders, mainly macroinvertebrates, can affect this process in various ways; they consume leaf litter, breaking it down into fragments and creating suitable habitats or resources for other organisms through the production of fine particulate organic matter (FPOM). However, measures of litter-feeding traits across a wide range of aquatic macroinvertebrates are still rare. Here, we assessed the contributions of 11 species of freshwater macroinvertebrates to litter decomposition, by measuring consumption rate, FPOM production, and assimilation rate of highly decomposable ( Alnus glutinosa ) or poorly decomposable ( Quercus robur ) leaf litter types...
March 2018: Ecology and Evolution
Jonas Reinholz, Christopher Diesler, Susanne Schöttler, Maria Kokkinopoulou, Sandra Ritz, Katharina Landfester, Volker Mailänder
The transport of nanocarriers through barriers like the gut in a living organism involves the transcytosis of these nanocarriers through the cell layer dividing two compartments. Understanding how this process works is not only essential to further developing strategies for a more effective nanocarrier transport system but also for providing fundamental insights into the barrier function as a means of protection against micro- and nanoplastics in the food chain. We therefore set out to investigate the different uptake mechanisms, intracellular trafficking and the routes for exocytosis for small polystyrene nanoparticles (PS-NPs ca...
March 9, 2018: Acta Biomaterialia
Sara J White, Emma L Carran, Andrew N Reynolds, Jillian J Haszard, Bernard J Venn
Background: The consumption of large amounts of fructose from added sugars results in the hepatic production and export of uric acid into the circulation. Objective: Our aim was to test whether fructose present in fruit is of sufficient quantity or in a form that will increase uric acid concentration. Design: Seventy-three participants were randomly assigned to 1 of 3 groups to ingest small (205 g) and large (410 g) servings of apple segments, small (170 mL) and large (340 mL) servings of apple juice, or a glucose and a fructose control beverage...
February 1, 2018: American Journal of Clinical Nutrition
Sedigheh Asgary, Ali Rastqar, Mahtab Keshvari
Cardiovascular disease (CVD) is now the leading cause of death globally and is a growing health concern. Lifestyle factors, including nutrition, play an important role in the etiology and treatment of CVD. Functional foods based on their basic nutritional functions can decrease the risk of many chronic diseases and have some physiological benefits. They contain physiologically active components either from plant or animal sources, marketed with the claim of their ability to reduce heart disease risk, focusing primarily on established risk factors, which are hyperlipidemia, diabetes, metabolic syndrome, obesity/overweight, elevated lipoprotein A level, small dense low-density lipoprotein cholesterol (LDL-C), and elevated inflammatory marker levels...
March 12, 2018: Journal of the American College of Nutrition
Zuzana Tulpová, Ming-Cheng Luo, Helena Toegelová, Paul Visendi, Satomi Hayashi, Petr Vojta, Etienne Paux, Andrzej Kilian, Michaël Abrouk, Jan Bartoš, Marián Hajdúch, Jacqueline Batley, David Edwards, Jaroslav Doležel, Hana Šimková
Bread wheat (Triticum aestivum L.) is a staple food for a significant part of the world's population. The growing demand on its production can be satisfied by improving yield and resistance to biotic and abiotic stress. Knowledge of the genome sequence would aid in discovering genes and QTLs underlying these traits and provide a basis for genomics-assisted breeding. Physical maps and BAC clones associated with them have been valuable resources from which to generate a reference genome of bread wheat and to assist map-based gene cloning...
March 8, 2018: New Biotechnology
S Mykolenko, V Liedienov, M Kharytonov, N Makieieva, T Kuliush, I Queralt, E Marguí, M Hidalgo, G Pardini, M Gispert
The work was conducted to establish contamination from improper disposal of hazardous wastes containing lead (Pb) and antimony (Sb) into nearby soils. Besides other elements in the affected area, the biological role of Sb, its behaviour in the pedosphere and uptake by plants and the food chain was considered. Wastes contained 139532 ± 9601 mg kg-1 (≈14%) Pb and 3645 ± 194 mg kg-1 (≈0.4%) Sb respectively and variability was extremely high at a decimetre scale. Dramatically high concentrations were also found for As, Cd, Cu, Mn, Ni, Sn and Zn...
March 7, 2018: Environmental Pollution
Lingxiao Gong, Wenyan Cao, Jie Gao, Jing Wang, Huijuan Zhang, Baoguo Sun, Meng Yin
The gut microbiota has recently become a new route for research at the intersection of diet and human health. The aim of this study was to investigate whether whole Tibetan hull-less barley (WHB) and refined Tibetan hull-less barley (RHB) caused differentiation of the fecal microbiota in vitro. The microbiota-accessible ingredients in the 2 barley samples were studied using an in vitro enzymatic digestion procedure. After in vitro digestion, insoluble dietary fiber, phenolic compounds, proteins, and β-glucans were 93...
March 10, 2018: Journal of Food Science
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