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Nutrition/nutrients

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https://www.readbyqxmd.com/read/28550339/effect-of-fungal-endophytes-on-biomass-yield-nutritive-value-and-accumulation-of-minerals-in-ornithopus-compressus
#1
Oscar Santamaria, Santiago Lledó, Sara Rodrigo, Maria J Poblaciones
Yellow serradella (Ornithopus compressus), a valuable pasture species in Mediterranean areas, presents a high diversity of endophytic mycoflora. In the present work, the hypothesis of a significant effect of fungal endophytic species on the parameters of forage production, nutritive value and mineral status of herbage was tested. O. compressus plants were inoculated with each of seven endophytes (four in 2012/2013 and three in 2013/2014). After inoculation, two experiments (under greenhouse and field conditions) were established...
May 27, 2017: Microbial Ecology
https://www.readbyqxmd.com/read/28549573/the-dose-makes-the-poison-nutritional-overload-determines-the-life-traits-of-blood-feeding-arthropods
#2
REVIEW
Marcos Sterkel, José Henrique M Oliveira, Vanessa Bottino-Rojas, Gabriela O Paiva-Silva, Pedro L Oliveira
Vertebrate blood composition is heavily biased towards proteins, and hemoglobin, which is a hemeprotein, is by far the most abundant protein. Typically, hematophagous insects ingest blood volumes several times their weight before the blood meal. This barbarian feast offers an abundance of nutrients, but the degradation of blood proteins generates toxic concentrations of amino acids and heme, along with unparalleled microbiota growth. Despite this challenge, hematophagous arthropods have successfully developed mechanisms that bypass the toxicity of these molecules...
May 23, 2017: Trends in Parasitology
https://www.readbyqxmd.com/read/28546536/a-sensitive-mass-spectrometry-platform-identifies-metabolic-changes-of-life-history-traits-in-c-elegans
#3
Arwen W Gao, Iliana A Chatzispyrou, Rashmi Kamble, Yasmine J Liu, Katharina Herzog, Reuben L Smith, Henk van Lenthe, Martin A T Vervaart, Arno van Cruchten, Angela C Luyf, Antoine van Kampen, Mia L Pras-Raves, Frédéric M Vaz, Riekelt H Houtkooper
Abnormal nutrient metabolism is a hallmark of aging, and the underlying genetic and nutritional framework is rapidly being uncovered, particularly using C. elegans as a model. However, the direct metabolic consequences of perturbations in life history of C. elegans remain to be clarified. Based on recent advances in the metabolomics field, we optimized and validated a sensitive mass spectrometry (MS) platform for identification of major metabolite classes in worms and applied it to study age and diet related changes...
May 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28545589/gastrointestinal-tolerance-of-low-fodmap-oral-nutrition-supplements-in-healthy-human-subjects-a-randomized-controlled-trial
#4
Jennifer Erickson, Renee Korczak, Qi Wang, Joanne Slavin
BACKGROUND: There has been increasing interest in utilizing a diet low in fermentable oligosaccharides, disaccharides, monosaccharides and polyols (FODMAPs) for the treatment of irritable bowel syndrome (IBS), a functional gastrointestinal disease. While studies have indicated that this diet can be effective at symptom reduction, it is a restrictive diet and patients may find it challenging to find low FODMAP products to meet their nutrient needs. The primary objective of this study was to assess the gastrointestinal (GI) tolerance of three low FODMAP oral nutrition supplements (ONS) in healthy adults...
May 25, 2017: Nutrition Journal
https://www.readbyqxmd.com/read/28545376/nutrition-as-a-health-determinant-in-elderly-patients
#5
Ignazio Grattagliano, Tecla Mastronuzzi
An adequate caloric intake is a major determinant for the health status especially when degenerative conditions become a predominant risk for difficult-to-treat diseases as in aging. The maintenance of the nutritional status is the best measure to counteract the risk of protein-caloric malnutrition and its complications which often sneakily affects elderly population and in particular frail patients. Both organic and social risk factors [economic hardship, loneliness, institutionalization] are important as determining causes...
May 23, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28544664/to-reproduce-or-work-insect-castes-emerge-from-socially-induced-changes-in-nutrition-related-genes
#6
Amy L Toth
In social species, there is a fundamental trade-off between 'me' and 'we'; that is, should I reproduce, or should I work to help others to reproduce? In this issue of Molecular Ecology, Okada et al. () delve into the evolution and genetic mechanisms of this core question, focusing on social caste formation in insects. The authors take advantage of a unique ant in the genus Diacamma, which has secondarily lost the classic, highly different queens and workers found in many other ants, bees and wasps. Instead, Diacamma ant castes are decided via aggressive dominance interactions among adult females, similar to dominance hierarchies seen in primitively social insects and many social vertebrates...
June 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28542547/determination-of-diagnostic-standards-on-saturated-soil-extracts-for-cut-roses-grown-in-greenhouses
#7
John Jairo Franco-Hermida, María Fernanda Quintero, Raúl Iskander Cabrera, José Miguel Guzman
This work comprises the theoretical determination and validation of diagnostic standards for the analysis of saturated soil extracts for cut rose flower crops (Rosa spp.) growing in the Bogota Plateau, Colombia. The data included 684 plant tissue analyses and 684 corresponding analyses of saturated soil extracts, all collected between January 2009 and June 2013. The tissue and soil samples were selected from 13 rose farms, and from cultivars grafted on the 'Natal Briar' rootstock. These concurrent samples of soil and plant tissues represented 251 production units (locations) of approximately 10,000 m2 distributed across the study area...
2017: PloS One
https://www.readbyqxmd.com/read/28542353/identification-of-cow-and-buffalo-milk-based-on-beta-carotene-and-vitamin-a-concentration-using-fluorescence-spectroscopy
#8
Rahat Ullah, Saranjam Khan, Hina Ali, Muhammad Bilal, Muhammad Saleem
The current study presents the application of fluorescence spectroscopy for the identification of cow and buffalo milk based on β-carotene and vitamin-A which is of prime importance from the nutritional point of view. All samples were collected from healthy animals of different breeds at the time of lactation in the vicinity of Islamabad, Pakistan. Cow and buffalo milk shows differences at fluorescence emission appeared at band position 382 nm, 440 nm, 505 nm and 525 nm both in classical geometry (right angle) setup as well as front face fluorescence setup...
2017: PloS One
https://www.readbyqxmd.com/read/28542098/comparison-of-oxygen-consumption-rates-of-nondegenerate-and-degenerate-human-ivd-cells
#9
Sarah E Cisewski, Yongren Wu, Brooke J Damon, Barton L Sachs, Michael J Kern, Hai Yao
STUDY DESIGN: In vitro measurements of the oxygen consumption rates (OCR) of human intervertebral disc (IVD) cells. OBJECTIVE: To determine the differences in the OCR of nondegenerate and degenerate human annulus fibrosus (AF), nucleus pulposus (NP), and cartilage endplate (CEP) cells at different glucose concentrations. SUMMARY OF BACKGROUND DATA: The avascular nature of the IVD creates a delicate balance between rate of nutrient transport through the matrix and rate of disc cell consumption necessary to maintain tissue health...
May 24, 2017: Spine
https://www.readbyqxmd.com/read/28541261/nutrient-enriched-infant-formula-is-associated-with-higher-weight-gain-for-low-birth-weight-infants
#10
Michelle Ngan, Ramon Durazo-Arvizu, Marc G Weiss, Holly Kramer
OBJECTIVE: Nutrient-enriched formulas were developed to provide extra nutrients and facilitate optimal growth for low birth weight infants. This study examined the association between use of nutrient-enriched formulas and weight gain among low birth weight infants (birth weight 1500-2500 g). METHODS: This retrospective cohort study used data from infants enrolled in the Illinois Special Supplemental Nutrition Program for Women, Infants, and Children. Analyses were limited to infants born in 2010 with low birth weight (1500-2500 g, n = 3130)...
June 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28540669/tropical-enteropathies
#11
REVIEW
John Louis-Auguste, Paul Kelly
PURPOSE OF REVIEW: The term 'tropical enteropathy' originated in observations in the 1960s that small intestinal morphology and function differed in the tropics from the norms found in temperate climates. It was subsequently shown that this enteropathy is more closely related to environmental conditions than latitude, and it was re-labelled 'environmental enteropathy'. It is now recognised that environmental enteropathy (also now called environmental enteric dysfunction) has implications for the health and linear growth of children in low- and middle-income countries, and it may underlie poor responses to oral vaccination in these countries...
July 2017: Current Gastroenterology Reports
https://www.readbyqxmd.com/read/28539263/nutrients-neurogenesis-and-brain-ageing-from-disease-mechanisms-to-therapeutic-opportunities
#12
REVIEW
Marco Fidaleo, Virve Cavallucci, Giovambattista Pani
Appreciation of the physiological relevance of mammalian adult neurogenesis has in recent years rapidly expanded from a phenomenon of homeostatic cell replacement and brain repair to the current view of a complex process involved in high order cognitive functions. In parallel, an array of endogenous or exogenous triggers of neurogenesis have also been identified, among which metabolic and nutritional cues have drawn significant attention. Converging evidence from animal and in vitro studies point to nutrient sensing and energy metabolism as major physiological determinants of neural stem cell fate, and modulators of the whole neurogenic process...
May 21, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28539258/dietary-approaches-to-stop-hypertension-diet-weight-status-and-blood-pressure-among-children-and-adolescents-national-health-and-nutrition-examination-surveys-2003-2012
#13
Juliana F W Cohen, Megan E Lehnerd, Robert F Houser, Eric B Rimm
BACKGROUND: The Dietary Approaches to Stop Hypertension (DASH) diet is associated with lower blood pressure and reduced risk of cardiovascular disease among adults, but little is known about accordance with this dietary pattern or health benefits among children and adolescents. OBJECTIVE: The objectives were to evaluate accordance with the DASH diet, differences over time, and the association with health attributes among a nationally representative sample of US children and adolescents...
May 20, 2017: Journal of the Academy of Nutrition and Dietetics
https://www.readbyqxmd.com/read/28539198/total-usual-intake-of-shortfall-nutrients-varies-with-poverty-among-us-adults
#14
Regan L Bailey, Sharon R Akabas, Erin E Paxson, Sowmyanarayanan V Thuppal, Shilpa Saklani, Katherine L Tucker
OBJECTIVE: To examine shortfall nutrient intakes (ie, calcium, folate, potassium, magnesium, and vitamins A, C, D, and E) by poverty-to-income ratio (PIR). DESIGN: National Health and Nutrition Examination Survey 2011-2012, a nationally representative, cross-sectional survey. PARTICIPANTS: US adults with complete data on poverty status and diet were included (n = 4,524). ANALYSIS: The National Cancer Institute method was used to estimate total usual micronutrient intakes from foods, beverages, medications, and dietary supplements reported on 2 24-hour dietary recalls using measurement error correction...
May 20, 2017: Journal of Nutrition Education and Behavior
https://www.readbyqxmd.com/read/28537849/efficacy-safety-and-preparation-of-standardized-parenteral-nutrition-regimens-three-chamber-bags-vs-compounded-monobags-a-prospective-multicenter-randomized-single-blind-clinical-trial
#15
Yu Jianchun, Wu Guohao, Tang Yun, Ye Yingjiang, Zhang Zhongtao
BACKGROUND: Parenteral nutrition (PN) covering the need for carbohydrates, amino acids, and lipids can either be compounded from single nutrients or purchased as an industrially manufactured ready-to-use regimen. This study compares a commercially available 3-chamber bag (study group) with a conventionally compounded monobag regarding nutrition efficacy, safety, and regimen preparation time. MATERIALS AND METHODS: This prospective, randomized, single-blind study was conducted at 5 Chinese hospitals from October 2010-October 2011...
May 1, 2017: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/28537798/neonatal-morbidity-count-is-associated-with-a-reduced-likelihood-of-achieving-recommendations-for-protein-lipid-and-energy-in-very-low-birth-weight-infants-a-prospective-cohort-study
#16
Dawn V Y Ng, Sharon Unger, Michelle Asbury, Alex Kiss, Rosine Bishara, Nicole Bando, Chris Tomlinson, Sharyn Gibbins, Deborah L O'Connor
BACKGROUND: Serious morbidity may elevate nutrient requirements and affect adherence to feeding guidelines for very low birth weight (VLBW) infants. An understanding of factors affecting nutrient intakes of VLBW infants will facilitate development of strategies to improve nutrient provision. Our aim was to examine the impact of neonatal morbidity count on achieving recommended nutrient intakes in VLBW infants. METHODS: VLBW infants enrolled in the Donor Milk for Improved Neurodevelopmental Outcomes trial (ISRCTN35317141, n = 363) were included...
May 1, 2017: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28535956/highly-unsaturated-fatty-acids-hufa-mediate-and-monitor-food-s-impact-on-health
#17
REVIEW
Bill Lands
A hyperbolic, saturable, competitive dynamic of ligand binding to metabolic enzymes and lipid mediator receptors gives non-linear dose-response interactions that need careful management when planning or interpreting nutrient-based interventions. Relatively indiscriminate metabolism during accumulation of HUFA from n-3 and n-6 nutrients allows the amounts of n-3 and n-6 nutrients to determine the HUFA balance accumulated in tissue phospholipids. However, when HUFA-based eicosanoid actions are more intense with n-6 than n-3 mediators, they cause healthy physiology to shift toward pathophysiology...
May 20, 2017: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/28532520/are-more-environmentally-sustainable-diets-with-less-meat-and-dairy-nutritionally-adequate
#18
S Marije Seves, Janneke Verkaik-Kloosterman, Sander Biesbroek, Elisabeth Hm Temme
OBJECTIVE: Our current food consumption patterns, and in particular our meat and dairy intakes, cause high environmental pressure. The present modelling study investigates the impact of diets with less or no meat and dairy foods on nutrient intakes and assesses nutritional adequacy by comparing these diets with dietary reference intakes. DESIGN: Environmental impact and nutrient intakes were assessed for the observed consumption pattern (reference) and two replacement scenarios...
May 23, 2017: Public Health Nutrition
https://www.readbyqxmd.com/read/28532472/an-audit-of-food-and-beverage-advertising-on-the-sydney-metropolitan-train-network-regulation-and-policy-implications
#19
Emma Sainsbury, Stephen Colagiuri, Roger Magnusson
BACKGROUND: Increased marketing of energy-dense, nutrient-poor foods has been identified as a driver of the global obesity epidemic and a priority area for preventative efforts. Local and international research has focused on the unhealthiness of television advertising, with limited research into the growing outdoor advertising industry. This study aimed to examine the extent of food and beverage advertising on the Sydney metropolitan train network, and to assess the nutritional quality of advertised products against the Australian Guide to Healthy Eating...
May 22, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28531643/lipid-based-nutrient-supplements-containing-vitamins-and-minerals-attenuate-renal-electrolyte-loss-in-hiv-aids-patients-starting-antiretroviral-therapy-a-randomized-controlled-trial-in-zambia
#20
D Munkombwe, T L Muungo, C Michelo, P Kelly, S Chirwa, S Filteau
BACKGROUND & AIMS: Advanced HIV infection combined with undernutrition and antiretroviral therapy (ART) places HIV/AIDS patients at high risk of electrolyte abnormalities and increased morbidity and mortality. Here, in a sub-study of a large published randomized trial, we evaluated if nutritional supplements will help curtail renal electrolyte loss in HIV/AIDS patients starting ART. METHODS: 130 malnourished HIV-positive patients referred for ART received lipid-based nutrient supplements alone (LNS, n = 63) or together with vitamins and minerals (LNS-VM, n = 67)...
June 2016: Clinical Nutrition ESPEN
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