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Frontiers in Nutrition

Patrick C Even, Anne Blais
The components of energy expenditure, total metabolic rate (TMR), resting metabolic rate (RMR), thermogenic response to feeding (TEF), activity, and cost of activity were measured in fed and fasted mice housed at 22 and 30°C. Mice housed at 22°C had more than two times larger TMR and RMR. Mice at 22°C were less active when fasted but more active when fed. Cost of activity was nearly doubled in the fasted and in the fed state. Analysis of the short-term relation between TMR, RMR, and bouts of activity showed that, at 22°C, the bouts of activity induced a decrease in the intensity of RMR that reflected the reduced need for thermal regulation induced by the heat released from muscular contraction...
2016: Frontiers in Nutrition
Austin T Mudd, Jaime Salcedo, Lindsey S Alexander, Stacey K Johnson, Caitlyn M Getty, Maciej Chichlowski, Brian M Berg, Daniela Barile, Ryan N Dilger
BACKGROUND: Milk oligosaccharides (OSs) are bioactive components known to influence neonatal development. These compounds have specific physiological functions acting as prebiotics, immune system modulators, and enhancing intestine and brain development. OBJECTIVES: The pig is a commonly used model for studying human nutrition, and there is interest in quantifying OS composition of porcine milk across lactation compared with human milk. In this study, we hypothesized that OS and sialic acid (SA) composition of porcine milk would be influenced by stage of lactation...
2016: Frontiers in Nutrition
Ingunn Narverud, Mari C W Myhrstad, Karl-Heinz Herzig, Toni Karhu, Tuva B Dahl, Bente Halvorsen, Stine M Ulven, Kirsten B Holven
Peptides released from the small intestine and colon regulate short-term food intake by suppressing appetite and inducing satiety. Intake of marine omega-3 (n-3) fatty acids (FAs) from fish and fish oils is associated with beneficial health effects, whereas the relation between intake of the vegetable n-3 fatty acid α-linolenic acid and diseases is less clear. The aim of the present study was to investigate the postprandial effects of a single high-fat meal enriched with vegetable n-3 or a combination of vegetable and marine n-3 FAs with their different unsaturated fatty acid composition on intestinal peptide release and the adipose tissue...
2016: Frontiers in Nutrition
Lorenzo M Donini, Sandro Dernini, Denis Lairon, Lluis Serra-Majem, Marie-Josèphe Amiot, Valeria Del Balzo, Anna-Maria Giusti, Barbara Burlingame, Rekia Belahsen, Giuseppe Maiani, Angela Polito, Aida Turrini, Federica Intorre, Antonia Trichopoulou, Elliot M Berry
BACKGROUND: There is increasing evidence of the multiple effects of diets on public health nutrition, society, and environment. Sustainability and food security are closely interrelated. The traditional Mediterranean Diet (MD) is recognized as a healthier dietary pattern with a lower environmental impact. As a case study, the MD may guide innovative inter-sectorial efforts to counteract the degradation of ecosystems, loss of biodiversity, and homogeneity of diets due to globalization through the improvement of sustainable healthy dietary patterns...
2016: Frontiers in Nutrition
Geneviève S Metson, Dana Cordell, Brad Ridoutt
Changes in human diets, population increases, farming practices, and globalized food chains have led to dramatic increases in the demand for phosphorus fertilizers. Long-term food security and water quality are, however, threatened by such increased phosphorus consumption, because the world's main source, phosphate rock, is an increasingly scarce resource. At the same time, losses of phosphorus from farms and cities have caused widespread water pollution. As one of the major factors contributing to increased phosphorus demand, dietary choices can play a key role in changing our resource consumption pathway...
2016: Frontiers in Nutrition
Ellen Watkins, Lucy Serpell
OBJECTIVE: The study aimed to investigate affective responses to 18-h fasting in healthy controls. In particular, the study focused on self-reported mood, irritability, sense of achievement, reward, pride, and control. METHOD: Participants were a non-clinical sample of 52 women with a mean age of 25. A repeated-measures design was used, whereby participants provided diary measures of psychological variables throughout both 18-h fasting and non-fasting periods. RESULTS: Fasting led to increased irritability, and also to positive affective experiences of increased sense of achievement, reward, pride, and control...
2016: Frontiers in Nutrition
Tonja R Nansel, Leah M Lipsky, Miriam H Eisenberg, Denise L Haynie, Danping Liu, Bruce Simons-Morton
Food reward sensitivity may influence individual susceptibility to an environment replete with highly palatable foods of minimal nutritional value. These foods contain combinations of added sugar, fat, and/or salt that may enhance their motivational salience. This study examined associations of food reward sensitivity with eating behaviors in the NEXT Generation Health Study, a nationally representative sample of U.S. young adults. Participants (n = 2202) completed self-report measures including the Power of Food Scale, assessing food reward sensitivity, and intake frequency of 14 food groups...
2016: Frontiers in Nutrition
Francisco J Barba, Nooshin Nikmaram, Shahin Roohinejad, Anissa Khelfa, Zhenzhou Zhu, Mohamed Koubaa
Glucosinolates are a large group of plant secondary metabolites with nutritional effects, and are mainly found in cruciferous plants. After ingestion, glucosinolates could be partially absorbed in their intact form through the gastrointestinal mucosa. However, the largest fraction is metabolized in the gut lumen. When cruciferous are consumed without processing, myrosinase enzyme present in these plants hydrolyzes the glucosinolates in the proximal part of the gastrointestinal tract to various metabolites, such as isothiocyanates, nitriles, oxazolidine-2-thiones, and indole-3-carbinols...
2016: Frontiers in Nutrition
Motuma Adimasu Abeshu, Abdulaziz Adish, Gulelat D Haki, Azeb Lelisa, Bekesho Geleta
Complementary feeding should fill the gap in energy and nutrients between estimated daily needs and amount obtained from breastfeeding from 6-month onward. However, homemade complementary foods are often reported for inadequacy in key nutrients despite reports of adequacy for energy and proteins. The aim of this study was to assess caregiver's complementary feeding knowledge, feeding practices, and to evaluate adequacy daily intakes from homemade complementary foods for children of 6-23 months in food insecure woredas of Wolayita zone, Ethiopia...
2016: Frontiers in Nutrition
Michael V Stanton, Justin Matsuura, Jennifer Kaci Fairchild, Jessica A Lohnberg, Peter J Bayley
Despite substantial evidence for their effectiveness in treating disordered eating and obesity, mindfulness-based treatments have not been broadly implemented among Veterans. A number of reviews have reported mindfulness to be beneficial in promoting healthy eating behaviors and weight loss among non-Veteran samples. We discuss this approach in the context of the Veterans Affairs system, the largest integrated healthcare provider in the U.S. and in the context of Veterans, among whom obesity is at epidemic proportions...
2016: Frontiers in Nutrition
Mario Caruana, Ruben Cauchi, Neville Vassallo
Alzheimer's disease (AD) and Parkinson's disease (PD) are the most common age-related neurodegenerative disorders and hence pose remarkable socio-economical burdens to both families and state. Although AD and PD have different clinical and neuropathological features, they share common molecular mechanisms that appear to be triggered by multi-factorial events, such as protein aggregation, mitochondrial dysfunction, oxidative stress (OS), and neuroinflammation, ultimately leading to neuronal cell death. Currently, there are no established and validated disease-modifying strategies for either AD or PD...
2016: Frontiers in Nutrition
Anja C Baur, Corinna Brandsch, Bettina König, Frank Hirche, Gabriele I Stangl
To combat vitamin D insufficiency in a population, reliable diet sources of vitamin D are required. The recommendations to consume more oily fish and the use of UVB-treated yeast are already applied strategies to address vitamin D insufficiency. This study aimed to elucidate the suitability of plant oils as an alternative vitamin D source. Therefore, plant oils that are commonly used in human nutrition were first analyzed for their content of vitamin D precursors and metabolites. Second, selected oils were exposed to a short-term UVB irradiation to stimulate the synthesis of vitamin D...
2016: Frontiers in Nutrition
Melanie S Adams, Robert B Adams, Carol A Wessman, Barbara Demmig-Adams
We connect modern, intensive agriculture's role in environmental degradation to its role in producing nutritionally unbalanced foods, and delineate specific approaches to reduce agriculture's environmental impact, while producing healthful foods. We call attention to recently discovered genetic programs used by all living organisms to respond to their environment, and present a model of how these programs change body composition and function (of humans and their crop plants and livestock alike) in response to environmental cues...
2016: Frontiers in Nutrition
Jacobo de la Cuesta-Zuluaga, Juan S Escobar
Next-generation sequencing technologies have found a widespread use in the study of host-microbe interactions due to the increase in their throughput and their ever-decreasing costs. The analysis of human-associated microbial communities using a marker gene, particularly the 16S rRNA, has been greatly benefited from these technologies - the human gut microbiome research being a remarkable example of such analysis that has greatly expanded our understanding of microbe-mediated human health and disease, metabolism, and food absorption...
2016: Frontiers in Nutrition
Thomas A Lutz, Marco Bueter
Animal models have been proven to be a crucial tool for investigating the physiological mechanisms underlying bariatric surgery in general and individual techniques in particular. By using a translational approach, most of these studies have been performed in rodents and have helped to understand how bariatric surgery may or may not work. However, data from studies using animal models should always be critically evaluated for their transferability to the human physiology. It is, therefore, the aim of this review to summarize both advantages and limitations of data generated by animal based experiments designed to investigate and understand the physiological mechanisms at the root of bariatric surgery...
2016: Frontiers in Nutrition
Sheng Bi, Timothy H Moran
Understanding the neural systems underlying the controls of energy balance has been greatly advanced by identifying the deficits and underlying mechanisms in rodent obesity models. The current review focuses on the Otsuka Long Evans Tokushima Fatty (OLETF) rat obesity model. Since its recognition in the 1990s, significant progress has been made in identifying the causes and consequences of obesity in this model. Fundamental is a deficit in the cholecystokinin (CCK)-1 receptor gene resulting in the absence of CCK-1 receptors in both the gastrointestinal track and the brain...
2016: Frontiers in Nutrition
Marie François, Kuniko Takagi, Romain Legrand, Nicolas Lucas, Stephanie Beutheu, Christine Bôle-Feysot, Aurore Cravezic, Naouel Tennoune, Jean-Claude do Rego, Moïse Coëffier, Akio Inui, Pierre Déchelotte, Sergueï O Fetissov
BACKGROUND AND AIMS: Cancer chemotherapy is commonly accompanied by mucositis, anorexia, weight loss, and anxiety independently from cancer-induced anorexia-cachexia, further aggravating clinical outcome. Ghrelin is a peptide hormone produced in gastric mucosa that reaches the brain to stimulate appetite. In plasma, ghrelin is protected from degradation by ghrelin-reactive immunoglobulins (Ig). To analyze possible involvement of ghrelin in the chemotherapy-induced anorexia and anxiety, gastric ghrelin expression, plasma levels of ghrelin, and ghrelin-reactive IgG were studied in rats treated with methotrexate (MTX)...
2016: Frontiers in Nutrition
Roy J Hardman, Greg Kennedy, Helen Macpherson, Andrew B Scholey, Andrew Pipingas
The Mediterranean-style diet (MedDiet) involves substantial intake of fruits, vegetables, and fish, and a lower consumption of dairy, red meat, and sugars. Over the past 15 years, much empirical evidence supports the suggestion that a MedDiet may be beneficial with respect to reducing the incidence of cardiovascular disease, cancer, metabolic syndrome, and dementia. A number of cross-sectional studies that have examined the impact of MedDiet on cognition have yielded largely positive results. The objective of this review is to evaluate longitudinal and prospective trials to gain an understanding of how a MedDiet may impact cognitive processes over time...
2016: Frontiers in Nutrition
Lumei Liu, Aria Byrd, Justin Plummer, Keith M Erikson, Scott H Harrison, Jian Han
Adequate brain iron levels are essential for enzyme activities, myelination, and neurotransmitter synthesis in the brain. Although systemic iron deficiency has been found in genetically or dietary-induced obese subjects, the effects of obesity-associated iron dysregulation in brain regions have not been examined. The objective of this study was to examine the effect of dietary fat and iron interaction on brain regional iron contents and regional-associated behavior patterns in a mouse model. Thirty C57BL/6J male weanling mice were randomly assigned to six dietary treatment groups (n = 5) with varying fat (control/high) and iron (control/high/low) contents...
2016: Frontiers in Nutrition
Andry Andriamananjara, Lilia Rabeharisoa, Loïc Prud'homme, Christian Morel
Urban sewage sludge is a potential source of phosphorus (P) for agriculture and represents an alternative way to recycle P as fertilizer. However, the use of thermally conditioned sewage sludge (TCSS) required an accurate assessment of its value as P-fertilizer. This work aimed at assessing the plant-availability of P from TCSS. Uptake of P by a mixture of ryegrass and fescue from TCSS and triple super phosphate (TSP) fertilizers was studied using (32)P-labeling technique in a greenhouse experiment. Phosphorus was applied at the rate of 50 mg P kg(-1)...
2016: Frontiers in Nutrition
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