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ISRN Nutrition

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https://www.readbyqxmd.com/read/24967273/influence-of-vitamin-d-metabolites-on-plasma-cytokine-concentrations-in-endurance-sport-athletes-and-on-multiantigen-stimulated-cytokine-production-by-whole-blood-and-peripheral-blood-mononuclear-cell-cultures
#1
Cheng-Shiun He, William D Fraser, Michael Gleeson
Aim. Our aims were to determine the influence of plasma total 25-hydroxy vitamin D (25(OH)D) status on the plasma cytokine concentrations in athletes and the in vitro effects of different doses of 1, 25 dihydroxyvitamin D3 (1, 25(OH)2D3) on multiantigen stimulated cytokine production by whole blood and peripheral blood mononuclear cell (PBMC) cultures. Methods. Plasma samples from 43 athletes with high and low levels of 25(OH)D were assayed for the concentrations of cytokines. The whole blood samples and PBMCs from healthy subjects were incubated in vitro with a multi-antigen vaccine and different doses of added 1, 25(OH)2D3...
2014: ISRN Nutrition
https://www.readbyqxmd.com/read/24967272/effects-of-commercially-available-dietary-supplements-on-resting-energy-expenditure-a-brief-report
#2
REVIEW
Roger A Vaughan, Carole A Conn, Christine M Mermier
Commercially available dietary products advertised to promote weight loss are an underresearched but heavily purchased commodity in the United States. Despite only limited evidence, interest in dietary supplements continues to increase. This work uniquely summarizes the current evidence evaluating the efficacy of several over-the-counter thermogenic products for their effects on resting energy expenditure. Currently, there is some evidence suggesting dietary products containing select ingredients can increase energy expenditure in healthy young people immediately following consumption (within 6 hours)...
2014: ISRN Nutrition
https://www.readbyqxmd.com/read/24967271/the-influence-of-shc-proteins-on-the-whole-body-energetic-response-to-calorie-restriction-initiated-in-3-month-old-mice
#3
Jennifer H Stern, Kyoungmi Kim, Jon J Ramsey
There is increasing evidence that Shc proteins play a role in energy metabolism, and we have previously reported that knockdown of Shc proteins influences the energetic response to acute (3 days) calorie restriction (CR) in 18-month-old mice. Whether Shc proteins play a role in the metabolic response to CR in younger mice has yet to be elucidated. Hence, we sought to determine the impact of 3 days and longer term (2 months) CR on energy expenditure (EE) and respiratory quotient (RQ) in 3 month-old Shc knockout (ShcKO) and wild-type (WT) mice...
2014: ISRN Nutrition
https://www.readbyqxmd.com/read/24967270/influence-of-hydration-status-on-changes-in-plasma-cortisol-leukocytes-and-antigen-stimulated-cytokine-production-by-whole-blood-culture-following-prolonged-exercise
#4
Ida S Svendsen, Sophie C Killer, Michael Gleeson
Elevated antigen-stimulated anti-inflammatory cytokine production appears to be a risk factor for upper respiratory tract illness in athletes. The purpose of this study was to determine the effects of prolonged exercise and hydration on antigen-stimulated cytokine production. Twelve healthy males cycled for 120 min at 60% [Formula: see text] on two occasions, either euhydrated or moderately hypohydrated (induced by fluid restriction for 24 h). Blood samples were collected before and after exercise and following 2 h recovery for determination of cell counts, plasma cortisol, and in vitro antigen-stimulated cytokine production by whole blood culture...
2014: ISRN Nutrition
https://www.readbyqxmd.com/read/24967269/increasing-prevalence-changes-in-diagnostic-criteria-and-nutritional-risk-factors-for-autism-spectrum-disorders
#5
REVIEW
Yasmin H Neggers
The frequency of autism spectrum disorders (ASD) diagnoses has been increasing for decades, but researchers cannot agree on whether the trend is a result of increased awareness, improved detection, expanding definition, or an actual increase in incidence or a combination of these factors. Though both genetic and multiple environmental risk factors have been studied extensively, many potentially modifiable risk factors including nutritional and immune function related risk factors such as vitamin D, folic acid, and metabolic syndrome have not received sufficient attention...
2014: ISRN Nutrition
https://www.readbyqxmd.com/read/24967268/effect-of-intergenerational-chronic-undernutrition-on-ponderal-and-linear-growth
#6
María Florencia Cesani, Evelia Edith Oyhenart, Héctor Mario Pucciarelli
The aim of this paper was to analyze if intergenerational undernutrition causes growth retardation in weight and body length in two generations of rats and, if so, to assess whether the delay is cumulative. Male and female rats were assigned to one of the following groups: (1) control: they were fed ad libitum and constituted the parental generation (P), and (2) undernourished generations (F1 and F2): they were fed on 75% of the control diet. Animals were weighed and X-rayed every ten days from 20 to 100 days old in order to measure total body length...
2014: ISRN Nutrition
https://www.readbyqxmd.com/read/24967267/effect-of-fresh-orange-juice-intake-on-physiological-characteristics-in-healthy-volunteers
#7
Sedigheh Asgary, Mahtab Keshvari, Mohammad Reza Afshani, Masoud Amiri, Ismail Laher, Shaghayegh Haghjooy Javanmard
Background. Impaired endothelial function is a predictor of cardiovascular events. Orange juice (OJ) is rich in dietary flavonoids and could inhibit oxidative stress and inflammatory responses. We examined the effects of commercial (COJ) and fresh orange juice (FOJ) on endothelial function and physiological characteristics in healthy humans. Materials and Methods. Twenty-two healthy volunteers years were enrolled in a single blind randomized crossover controlled trial. The two groups consumed either COJ for the first 4 weeks and then FOJ (CFOJ, 4 weeks), or FOJ for the first 4 weeks and then COJ (FCOJ, 4 weeks)...
2014: ISRN Nutrition
https://www.readbyqxmd.com/read/24967266/bioactive-micronutrients-in-coffee-recent-analytical-approaches-for-characterization-and-quantification
#8
REVIEW
Abdulmumin A Nuhu
Production of coffee beans is an important lifeline for the economy of several countries in Latin America, Africa, and Asia. The brew from this well sought for cash crop is readily consumed due to its good sensory qualities owing to the presence of many micronutrients. Some of these chemical compounds possess biological activities, including antiproliferative, antioxidant, and antimicrobial effects. Four representative groups of these micronutrients, namely, caffeine, chlorogenic acid, diterpenes, and trigonelline, play key roles in these bioactive effects of coffee...
2014: ISRN Nutrition
https://www.readbyqxmd.com/read/24967265/proximate-antinutrients-and-mineral-composition-of-raw-and-processed-boiled-and-roasted-sphenostylis-stenocarpa-seeds-from-southern-kaduna-northwest-nigeria
#9
Uche Samuel Ndidi, Charity Unekwuojo Ndidi, Abbas Olagunju, Aliyu Muhammad, Francis Graham Billy, Oche Okpe
This research was aimed at evaluating the proximate composition, level of anti-nutrients, and the mineral composition of raw and processed Sphenostylis stenocarpa seeds and at examining the effect of processing on the parameters. From the proximate composition analysis, the ash content showed no significant difference (P > 0.05) between the processed and unprocessed (raw) samples. However, there was significant difference (P < 0.05) in the levels of moisture, crude lipid, nitrogen-free extract, gross energy, true protein, and crude fiber between the processed and unprocessed S...
2014: ISRN Nutrition
https://www.readbyqxmd.com/read/24967264/efficacy-of-a-botanical-supplement-with-concentrated-echinacea-purpurea-for-increasing-aerobic-capacity
#10
David Bellar, Kaitlyn M Moody, Nicholas S Richard, Lawrence W Judge
The present investigation evaluated the efficacy of a botanical supplement that delivered a concentrated dose of Echinacea purpurea (8 grams day(-1)). The participants were 13 apparently healthy, recreationally active college students (VO2 max: 51 mL O2/kg∗min). The participants were provided with a 30-day supplementation regime. Data regarding maximum aerobic capacity was collected through pre- and posttesting surrounding the 30-day supplementation regime. The participants were instructed to maintain normal levels of physical activity and exercise during the experimental period...
2014: ISRN Nutrition
https://www.readbyqxmd.com/read/24967263/amino-acid-carbohydrate-intake-combined-with-multiple-bouts-of-resistance-exercise-increases-resting-energy-expenditure
#11
Kyle J Hackney, Andrew R Kelleher, Lori L Ploutz-Snyder
Increasing the rate of muscle protein synthesis is an energy consuming process that explains the acute elevations in resting energy expenditure (REE) observed 12 to 72 hours after a resistance exercise session. We hypothesized that multiple sessions of resistance exercise combined with the intake of amino acids would increase REE and alter the nonprotein respiratory exchange ratio (RER). Ten male participants completed two separate seven-day trials where REE and RER were measured on each morning via indirect calorimetry...
2013: ISRN Nutrition
https://www.readbyqxmd.com/read/24967262/acceptability-of-an-alimentary-supplement-of-whey-protein-concentrate-and-tgf-%C3%AE-in-patients-with-crohn-s-disease
#12
Taciana Davanço, Luciano Bruno de Carvalho Silva, Karina de Lemos Sampaio, Cláudio Saddy Rodrigues Coy, Maria Marluce Dos Santos Vilela, Elizete Aparecida Lomazi da Costa Pinto
The objective of this study was to evaluate the acceptability of an alimentary supplement of bovine whey-protein concentrate (WPC) and TGF- β , unavailable commercially, by patients with Crohn's disease (CD) and determine the chemical composition, solubility, and total amino acids content. The supplement was diluted in water, and an acceptance test was done to evaluate the aroma, flavour, and viscosity of the product using facial hedonic scale (nine-point scale), applied on 54 CD patients. The supplement composition indicated 73...
2013: ISRN Nutrition
https://www.readbyqxmd.com/read/24967261/branched-chain-amino-acid-plus-glucose-supplement-reduces-exercise-induced-delayed-onset-muscle-soreness-in-college-age-females
#13
Danielle T Leahy, Stephen J Pintauro
Supplementation with branched-chain amino acids (BCAAs) has been used to stimulate muscle protein synthesis following exercise. The purpose of this study was to determine if supplementation with BCAAs in combination with glucose would reduce exercise-induced delayed onset muscle soreness (DOMS). Using a double-blind crossover design, 20 subjects (11 females, 9 males) were randomly assigned to either BCAA (n = 10) or placebo (n = 10) groups. Subjects performed a squatting exercise to elicit DOMS and rated their muscle soreness every 24 hours for four days following exercise while continuing to consume the BCAA or placebo...
2013: ISRN Nutrition
https://www.readbyqxmd.com/read/24967260/sex-differences-in-the-effects-of-mental-work-and-moderate-intensity-physical-activity-on-energy-intake-in-young-adults
#14
Emilie Pérusse-Lachance, Patrice Brassard, Jean-Philippe Chaput, Vicky Drapeau, Normand Teasdale, Caroline Sénécal, Angelo Tremblay
The aim of this study was to examine the acute effects of mental work and moderate-intensity physical activity on various components of energy balance in young and healthy adults. With the use of a randomized crossover design, 35 participants aged 24 ± 3 years completed three 45-min conditions, namely, (i) resting in a sitting position (control), (ii) reading and writing (mental work (MW)), and (iii) exercising on a treadmill at 40% of peak oxygen uptake (exercise), followed by an ad libitum lunch. The endpoints were spontaneous energy intake (EI), energy expenditure (EE), appetite sensations, and EI for the remainder of the day...
2013: ISRN Nutrition
https://www.readbyqxmd.com/read/24967259/measurement-of-circulating-25-hydroxy-vitamin-d-using-three-commercial-enzyme-linked-immunosorbent-assay-kits-with-comparison-to-liquid-chromatography-tandem-mass-spectrometry-method
#15
Cheng-Shiun He, Michael Gleeson, William D Fraser
Aim. The purpose of this study was to compare the accuracy and clinical implications of three commercial enzyme-linked immunosorbent assay (ELISA) kits (Eagle Biosciences, Immundiagnostik, and MicroVue) with a validated liquid chromatography-tandem mass spectrometry (LC-MS/MS) method for the measurement of serum 25(OH)D concentration. Methods. Blood samples were obtained from 225 healthy individuals who were recruited as subjects from Loughborough University, UK. Plasma samples were measured for 25(OH)D concentration by means of LC-MS/MS and ELISA kits from Eagle Biosciences, Immundiagnostik, and MicroVue...
2013: ISRN Nutrition
https://www.readbyqxmd.com/read/24967258/the-use-of-transcriptomics-to-unveil-the-role-of-nutrients-in-mammalian-liver
#16
REVIEW
Jesús Osada
Liver is the organ primarily responding to diet, and it is crucial in determining plasma carbohydrate, protein, and lipid levels. In addition, it is mainly responsible for transformation of xenobiotics. For these reasons, it has been a target of transcriptomic analyses. In this review, we have covered the works dealing with the response of mammalian liver to different nutritional stimuli such as fasting/feeding, caloric restriction, dietary carbohydrate, cholesterol, fat, protein, bile acid, salt, vitamin, and oligoelement contents...
2013: ISRN Nutrition
https://www.readbyqxmd.com/read/24967257/likely-additive-ergogenic-effects-of-combined-preexercise-dietary-nitrate-and-caffeine-ingestion-in-trained-cyclists
#17
Michal K Handzlik, Michael Gleeson
Aims. To evaluate the possible additive effects of beetroot juice plus caffeine on exercise performance. Methods. In a randomized, double-blinded study design, fourteen healthy well-trained men aged 22 ± 3 years performed four trials on different occasions following preexercise ingestion of placebo (PLA), PLA plus 5 mg/kg caffeine (PLA+C), beetroot juice providing 8 mmol of nitrate (BR), and beetroot juice plus caffeine (BR+C). Participants cycled at 60% maximal oxygen uptake ([Formula: see text]max) for 30 min followed by a time to exhaustion (TTE) trial at 80% [Formula: see text]max...
2013: ISRN Nutrition
https://www.readbyqxmd.com/read/24967256/body-weight-perception-and-weight-control-practices-among-teenagers
#18
Darshini Devi Bhurtun, Rajesh Jeewon
Background. Weight-loss behaviours are highly prevalent among adolescents, and body weight perception motivates weight control practices. However, little is known about the association of body weight perception, and weight control practices among teenagers in Mauritius. The aim of this study is to investigate the relationships between actual body weight, body weight perception, and weight control practices among teenagers. Methods. A questionnaire-based survey was used to collect data on anthropometric measurements, weight perception and weight control practices from a sample of 180 male and female students (90 boys and 90 girls) aged between 13 and 18 years old...
2013: ISRN Nutrition
https://www.readbyqxmd.com/read/24967255/food-value-of-two-varieties-of-ginger-zingiber-officinale-commonly-consumed-in-nigeria
#19
Olubunmi B Ajayi, Seun F Akomolafe, Funmilayo T Akinyemi
Ginger (Zingiber officinale) is a well-known and widely used herb, which contains several interesting bioactive constituents and possesses health-promoting properties. The proximate, mineral, antinutrient, amino acid, and phytochemical components of two varieties of ginger (Zingiber officinale) were investigated. Amino acid composition was determined using standard analytical techniques. The results obtained in percentages in the two varieties of ginger (white and yellow types) were crude fibre (21.90, 8.30), fat (17...
2013: ISRN Nutrition
https://www.readbyqxmd.com/read/24967254/bioavailability-of-oil-based-and-%C3%AE-lactoglobulin-complexed-vitamin-a-in-a-rat-model
#20
Ying Liu, Ju-Jean Shaw, Harold E Swaisgood, Jonathan C Allen
β -Lactoglobulin is capable of binding fat-soluble compounds including vitamin A palmitate and is suggested to specifically enhance intestinal uptake of retinol. In this study, bioavailability of a vitamin-A-retinyl palmitate complex in skim milk and in water-based liquids was investigated in vitamin-A-depleted rats. First, rats were fed a vitamin-A-free pellet diet for 6 wk and were thereafter gavage-fed with vitamin A in oil, vitamin-A- β -lactoglobulin complex, vitamin A in oil + skim milk, and vitamin-A- β -lactoglobulin + skim milk for 2 wk and 42 wk...
2013: ISRN Nutrition
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