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Nutrition/nutrients

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https://www.readbyqxmd.com/read/28086890/feasibility-and-preliminary-efficacy-of-the-heyman-healthy-lifestyle-program-for-young-men-a-pilot-randomised-controlled-trial
#1
Lee M Ashton, Philip J Morgan, Melinda J Hutchesson, Megan E Rollo, Clare E Collins
BACKGROUND: In young men, unhealthy lifestyle behaviours can be detrimental to their physical and/or mental health and set them on a negative health trajectory into adulthood. Despite this, there is a lack of evidence to guide development of effective health behaviour change interventions for young men. This study assessed the feasibility and preliminary efficacy of the 'HEYMAN' (Harnessing Ehealth to enhance Young men's Mental health, Activity and Nutrition) healthy lifestyle program for young men...
January 13, 2017: Nutrition Journal
https://www.readbyqxmd.com/read/28080325/adequacy-of-parent-packed-lunches-and-preschooler-s-consumption-compared-to-dietary-reference-intake-recommendations
#2
Maria Jose Romo-Palafox, Nalini Ranjit, Sara J Sweitzer, Cindy Roberts-Gray, Courtney E Byrd-Williams, Margaret E Briley, Deanna M Hoelscher
BACKGROUND: U.S. preschool children consume inadequate amounts of key nutrients. Understanding the contents of lunches packed by parents and consumed by their children can help identify areas of opportunity for the development of healthy food preferences. OBJECTIVE: To evaluate the nutrient adequacy of lunches packed by parents and consumed by children attending early care and education (ECE) centers. METHODS: Baseline data from 607 parent-child dyads in the "Lunch Is in the Bag" cluster-randomized controlled trial in Central Texas were examined...
January 12, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28078576/feeding-problems-and-nutrient-intake-in-children-with-and-without-autism-a-comparative-study
#3
Prahbhjot Malhi, Lolam Venkatesh, Bhavneet Bharti, Pratibha Singhi
OBJECTIVE: To compare parent reported feeding difficulties and nutritional adequacy of children with Autism Spectrum Disorders (ASD) to an age and socio-economically matched group of typically developing children. METHODS: The scores on Children's Eating Behavior Inventory (CEBI), three-day food records, anthropometric measures and adequacy of micro- and macro- nutrients were compared for 63 children diagnosed with ASD and 50 typically developing children enrolled from the department of pediatrics of a tertiary care teaching hospital from North India...
January 12, 2017: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/28077872/structural-basis-for-nutrient-acquisition-by-dominant-members-of-the-human-gut-microbiota
#4
Amy J Glenwright, Karunakar R Pothula, Satya P Bhamidimarri, Dror S Chorev, Arnaud Baslé, Susan J Firbank, Hongjun Zheng, Carol V Robinson, Mathias Winterhalter, Ulrich Kleinekathöfer, David N Bolam, Bert van den Berg
The human large intestine is populated by a high density of microorganisms, collectively termed the colonic microbiota, which has an important role in human health and nutrition. The survival of microbiota members from the dominant Gram-negative phylum Bacteroidetes depends on their ability to degrade dietary glycans that cannot be metabolized by the host. The genes encoding proteins involved in the degradation of specific glycans are organized into co-regulated polysaccharide utilization loci, with the archetypal locus sus (for starch utilisation system) encoding seven proteins, SusA-SusG...
January 11, 2017: Nature
https://www.readbyqxmd.com/read/28077192/dietary-probiotic-supplementation-improves-growth-and-the-intestinal-morphology-of-nile-tilapia
#5
M A Ramos, S Batista, M A Pires, A P Silva, L F Pereira, M J Saavedra, R O A Ozório, P Rema
Probiotic administration can be a nutritional strategy to improve the immune response and growth performance of fish. The current study aimed to evaluate the effects of a probiotic blend (Bacillus sp., Pediococcus sp., Enterococcus sp., Lactobacillus sp.) as a dietary supplement on growth performance, feed utilization, innate immune and oxidative stress responses and intestinal morphology in juvenile Nile tilapia (Oreochromis niloticus). The probiotic was incorporated into a basal diet at three concentrations: 0 g/kg (A0: control), 3 g/kg (A1: 1...
January 12, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28076653/recent-advances-in-primate-nutritional-ecology
#6
Nicoletta Righini
Nutritional ecology seeks to explain, in an ecological and evolutionary context, how individuals choose, acquire, and process food to satisfy their nutritional requirements. Historically, studies of primate feeding ecology have focused on characterizing diets in terms of the botanical composition of the plants consumed. Further, dietary studies have demonstrated how patch and food choice in relation to time spent foraging and feeding are influenced by the spatial and temporal distribution of resources and by social factors such as feeding competition, dominance, or partner preferences...
January 11, 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/28076319/impact-of-nutrition-on-pollutant-toxicity-an-update-with-new-insights-into-epigenetic-regulation
#7
Jessie B Hoffman, Michael C Petriello, Bernhard Hennig
Exposure to environmental pollutants is a global health problem and is associated with the development of many chronic diseases, including cardiovascular disease, diabetes and metabolic syndrome. There is a growing body of evidence that nutrition can both positively and negatively modulate the toxic effects of pollutant exposure. Diets high in proinflammatory fats, such as linoleic acid, can exacerbate pollutant toxicity, whereas diets rich in bioactive and anti-inflammatory food components, including omega-3 fatty acids and polyphenols, can attenuate toxicant-associated inflammation...
January 11, 2017: Reviews on Environmental Health
https://www.readbyqxmd.com/read/28075340/bioactive-nutrients-and-nutrigenomics-in-age-related-diseases
#8
REVIEW
Tania Rescigno, Luigina Micolucci, Mario F Tecce, Anna Capasso
The increased life expectancy and the expansion of the elderly population are stimulating research into aging. Aging may be viewed as a multifactorial process that results from the interaction of genetic and environmental factors, which include lifestyle. Human molecular processes are influenced by physiological pathways as well as exogenous factors, which include the diet. Dietary components have substantive effects on metabolic health; for instance, bioactive molecules capable of selectively modulating specific metabolic pathways affect the development/progression of cardiovascular and neoplastic disease...
January 8, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28074892/are-sleep-duration-midpoint-of-sleep-and-sleep-quality-associated-with-dietary-intake-among-bavarian-adults
#9
C Kleiser, N Wawro, M Stelmach-Mardas, H Boeing, K Gedrich, H Himmerich, J Linseisen
BACKGROUND/OBJECTIVES: Only few epidemiologic studies examined sleep characteristics in relation to dietary behaviour. Our aim was to analyse associations of sleep duration, midpoint of sleep and sleep quality with dietary intake among the Bavarian population. SUBJECTS/METHODS: Within the cross-sectional Bavarian Food Consumption Survey II, 1050 subjects aged 13-81 years were recruited. Dietary intake was assessed with three 24-h dietary recalls by telephone (EPIC-Soft)...
January 11, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28074329/dietary-adequacy-of-egyptian-children-with-autism-spectrum-disorder-compared-to-healthy-developing-children
#10
Nagwa A Meguid, Mona Anwar, Geir Bjørklund, Adel Hashish, Salvatore Chirumbolo, Maha Hemimi, Eman Sultan
Although the etiology and pathology of autism spectrum disorder (ASD) is still poorly understood, a number of environmental, anthropological, neurobiological and genetic factors have been related to the pathophysiology of ASD, even the impact of oxidative stress response related to the environment and nutrition intake. Usual recommended dietary habits are based on the combination of behavioral and dietary or nutraceutical interventions together with pharmacotherapy. Investigations about a reliable relationship between diet and ASD are still lacking...
January 10, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28074217/-nutrition-in-dementia
#11
D Volkert
BACKGROUND: In the course of dementia sooner or later nutritional problems appear, and the question arises which interventions are effective in ensuring adequate nutrition and thus may contribute to the maintenance of health, functionality and independence. OBJECTIVE: This overview presents the state of knowledge regarding nutrition in dementia. METHODS: This work is based on the present guidelines of the European Society for Clinical Nutrition and Metabolism (ESPEN) on nutrition in dementia, which systematically investigated relevant available evidence...
January 10, 2017: Der Internist
https://www.readbyqxmd.com/read/28073538/margalef-revisited-a-new-phytoplankton-mandala-incorporating-twelve-dimensions-including-nutritional-physiology
#12
Patricia M Glibert
Building on the classic depiction of the progression from a diatom to a dinoflagellate bloom as a function of nutrients and turbulence, known as the "Margalef mandala", a new conceptual model or mandala is presented here. The new mandala maps twelve response or effects traits, or environmental characteristics, related to different phytoplankton functional types: (1) relative preference for chemically reduced vs chemically oxidized forms of nitrogen; (2) relative availability of inorganic nitrogen and phosphorus; (3) adaptation to high vs low light and the tendency to be autotrophic vs mixotrophic; (4) cell motility; (5) environmental turbulence; (6) pigmentation quality; (7) temperature; (8) cell size; (9) relative growth rate; (10) relative production of bioactive compounds such as toxins or reactive oxygen species (ROS); (11) r vs K strategy; and (12) fate of the production in terms of grazing...
May 2016: Harmful Algae
https://www.readbyqxmd.com/read/28073533/effects-of-n-and-p-availability-on-carbon-allocation-in-the-toxic-dinoflagellate-ostreopsis-cf-ovata
#13
Laura Pezzolesi, Silvana Vanucci, Carmela Dell'Aversano, Emma Dello Iacovo, Luciana Tartaglione, Rossella Pistocchi
Blooms of the toxic dinoflagellate Ostreopsis cf. ovata are usually associated with shallow and calm coastal waters, characterized by low nutrient concentrations. The algal cells typically cover the benthic substrates, such as the macroalgal and invertebrate communities and rocks, forming a mucilaginous film. Data reported on O. cf. ovata toxin production observed under both field and culture conditions show high variability in terms of toxic profile and cellular content; little is known about the environmental and physiological aspects which regulate the toxin dynamics...
May 2016: Harmful Algae
https://www.readbyqxmd.com/read/28073523/metabolic-and-physiological-changes-in-prymnesium-parvum-when-grown-under-and-grazing-on-prey-of-variable-nitrogen-phosphorus-stoichiometry
#14
Veronica M Lundgren, Patricia M Glibert, Edna Granéli, Nayani K Vidyarathna, Emanuela Fiori, Linjian Ou, Kevin J Flynn, Aditee Mitra, Diane K Stoecker, Per J Hansen
Mixotrophy is found in almost all classes of phytoplankton in a wide range of aquatic habitats ranging from oligotrophic to eutrophic marine and freshwater systems. Few studies have addressed how the nutritional status of the predator and/or the prey affects mixotrophic metabolism despite the realization that mixotrophy is important ecologically. Laboratory experiments were conducted to examine changes in growth rates and physiological states of the toxic haptophyte Prymnesium parvum when fed Rhodomonas salina of varying nutritional status...
May 2016: Harmful Algae
https://www.readbyqxmd.com/read/28072422/the-fitness-costs-and-trade-off-shapes-associated-with-the-exclusion-of-nine-antibiotics-by-ompf-porin-channels
#15
Katherine Phan, Thomas Ferenci
The trade-off relationship between antibiotic exclusion and nutrient access across the Gram-negative outer membrane is determined by structural constraints in porin channels. The precise nutritional cost of exclusion is unknown for different antibiotics, as are the shapes of the nutrition-susceptibility trade-off. Using a library of 10 engineered isogenic Escherichia coli strains with structural modifications of OmpF porin expressed at a constant level, susceptibilities were measured for nine antibiotics and the nutritional fitness costs estimated by competitions in chemostats...
January 10, 2017: ISME Journal
https://www.readbyqxmd.com/read/28071033/an-analysis-of-the-meal-pattern-at-the-nutrient-level-in-polish-women
#16
Marta Stelmach-Mardas, Marcin Mardas, Wojciech Warchoł, Paweł Bogdański
BACKGROUND: Before the 1990's, access to a variety of foods in Eastern Europe was limited, which could have influenced the currently analyzed dietary behaviors pertaining to overweight and obesity development. The aim of this study was to describe the daily profile of meal patterns in Polish women aged 50-70 at the nutrient level. METHODS: The anthropometrical parameters of four-hundred and fifty Polish women aged 50-70 were assessed. Three 24-hour dietary recalls and validated questionnaires regarding socio-demographic-economic status and meal frequency were applied...
July 2016: Acta Scientiarum Polonorum. Technologia Alimentaria
https://www.readbyqxmd.com/read/28070321/nutritional-composition-quality-and-shelf-stability-of-processed-ruspolia-nitidula-edible-grasshoppers
#17
Geoffrey Ssepuuya, Ivan Muzira Mukisa, Dorothy Nakimbugwe
The nutritional and commercial potential of the edible grasshopper (Ruspolia nitidula, nsenene in Luganda), a delicacy in Uganda and many East African tribes, is limited by a short shelf life and unverified nutritional value. This research established that R. nitidula is nutritious with 36-40% protein, 41-43% fat, 2.5-3.2% carbohydrate, 2.6-3.9% ash, 11.0-14.5% dietary fiber, and 900-2300 μg/100 g total carotenoids on a dry matter basis. Sautéing was the most preferred processing method resulting in grasshoppers with a notably better aroma and flavor...
January 2017: Food Science & Nutrition
https://www.readbyqxmd.com/read/28070319/development-of-a-nutrient-dense-complementary-food-using-amaranth-sorghum-grains
#18
Judith Kanensi Okoth, Sophie Atieno Ochola, Nicholas K Gikonyo, Anselimo Makokha
Thin porridge from cereals and starchy tubers is a common complementary food in Sub Saharan Africa. It may be high in antinutrients, low in energy, and nutrient density hence inadequate in providing infants' high energy and nutrients requirements per unit body weight. Consequently, undernourishment levels among children under 5 years are high. Therefore, there is need to avail nutrient-dense complementary foods especially for children in low-resource settings. The study was aimed at developing a nutrient-dense complementary food from amaranth and sorghum grains...
January 2017: Food Science & Nutrition
https://www.readbyqxmd.com/read/28070301/blood-serum-retinol-levels-in-asinara-white-donkeys-reflect-albinism-induced-metabolic-adaptation-to-photoperiod-at-mediterranean-latitudes
#19
Maria Grazia Cappai, Maria Grazia Antonietta Lunesu, Francesca Accioni, Massimo Liscia, Mauro Pusceddu, Lucia Burrai, Maria Nieddu, Corrado Dimauro, Gianpiero Boatto, Walter Pinna
Previous works on albinism form of Asinara white donkeys (Equus asinus) identified the mutation leading to the peculiar phenotype spread to all specimens of the breed. Inbreeding naturally occurred under geographic isolation, on Asinara Island, in the Mediterranean Sea. Albino individuals can be more susceptible to develop health problems when exposed to natural sun radiation. Alternative metabolic pathways involved in photoprotection were explored in this trial. Nutrition-related metabolites are believed to contribute to the conservation of Asinara donkeys, in which melanin, guaranteeing photoprotection, is lacking...
January 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28069900/impact-of-donor-and-recipient-adiposity-on-feto-placental-growth-in-adolescent-sheep
#20
Jacqueline M Wallace, John S Milne, Clare L Adam, Raymond P Aitken
The influence of maternal obesity during oocyte development and its putative interaction with nutrient reserves at conception on pregnancy outcome were examined in an adolescent sheep model. Donor ewes were nutritionally managed to achieve contrasting adiposity (control [CD]/obese [ObD]) for 6 weeks prior to superovulation, and inseminated by a non-obese sire. Morulae from 6 CD and 7 ObD were transferred in singleton into adolescent recipients of identical age but differing adiposity, classified as relatively fat or thin, respectively...
January 9, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
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