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Selenium Minerals

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https://www.readbyqxmd.com/read/28183061/trace-elements-in-oceanic-pelagic-communities-in-the-western-indian-ocean
#1
Nathalie Bodin, Dora Lesperance, Rona Albert, Stephanie Hollanda, Philippe Michaud, Maxime Degroote, Carine Churlaud, Paco Bustamante
The mineral composition of target and non-target pelagic fish caught by purse-seiners and longliners in the western-central Indian Ocean was determined. From the 10 essential elements analysed, selenium and zinc showed the highest concentrations in swordfish and blue marlin while Indian mackerel appeared as a good source of copper, iron and chrome. All catch had levels of lead and cadmium, two toxic elements, below the maximum sanitary limits. Although some concerns were raised regarding mercury concentrations in the largest species (wahoo, swordfish and blue marlin), molar ratios of mercury and selenium indicate that all oceanic pelagic fish from the western-central Indian Ocean are safe for human consumption...
January 21, 2017: Chemosphere
https://www.readbyqxmd.com/read/28177366/cobalt-supplementation-alone-or-in-combination-with-vitamin-b-and-selenium-effects-on-lamb-performance-and-mineral-status
#2
T W J Keady, J P Hanrahan, S P Fagan
The effects of supplementing lambs with Co, either alone or in combination with vitamin B and Se, were evaluated over the period from weaning to selection for slaughter. Two hundred and five recently weaned (at 14 wk [SD 0.44] of age), spring-born lambs of various crossbred genotypes were stratified, within genotype, by BW and gender and allocated to 3 groups, which were then allocated at random to one of the following treatments: no supplement (Control), a supplement containing Co only (Co-only), or a supplement containing Co, vitamin B, and Se (VitMin)...
January 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28153354/sport-and-sample-specific-features-of-trace-elements-in-adolescent-female-field-hockey-players-and-fencers
#3
Alexey A Nabatov, Natalya A Troegubova, Ruslan R Gilmutdinov, Andrey P Sereda, Alexander S Samoilov, Natalya V Rylova
Active physical exercises and growth are associated with mineral imbalances in young athletes. The purpose of this study was to examine the impact of sport-related factors on tissue mineral status in adolescent female athletes. Saliva and hair samples were used for the analysis of immediate and more permanent tissue mineral status, respectively. Samples taken from a control non-athletic female group and two groups of female athletes (field hockey and fencing) were analyzed for seven essential minerals: calcium, chromium, iron, potassium, magnesium, selenium and zinc...
November 5, 2016: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/28118572/characterization-of-final-action-official-methodsm-2011-19-and-first-action-official-method-2015-06-performance-at-analyte-levels-corresponding-to-codex-stan-72-1981-minimum-levels
#4
Joseph Thompson, Lawrence H Pacquette
A limited single-laboratory validation (SLV) was conducted in the authors' laboratory to investigate the performance ofAOAC Official Methods 2011.19 Determination of Chromium (Cr), Selenium (Se), and Molybdenum (Mo) in Infant Formula and Adult Nutritional Products by Inductively Coupled Plasma/Mass Spectrometry and 2015.06 Determination of Minerals and Trace Elements in Infant Formula and Adult/Pediatric Nutritional Formula by Inductively Coupled Plasma/Mass Spectrometry at analyte levels below the practical LOQs (PLOQs) already published for these Final Action Official Methods...
December 21, 2016: Journal of AOAC International
https://www.readbyqxmd.com/read/28096125/dietary-supplements-and-risk-of-cause-specific-death-cardiovascular-disease-and-cancer-a-systematic-review-and-meta-analysis-of-primary-prevention-trials
#5
REVIEW
Lukas Schwingshackl, Heiner Boeing, Marta Stelmach-Mardas, Marion Gottschald, Stefan Dietrich, Georg Hoffmann, Anna Chaimani
Our aim was to assess the efficacy of dietary supplements in the primary prevention of cause-specific death, cardiovascular disease (CVD), and cancer by using meta-analytical approaches. Electronic and hand searches were performed until August 2016. Inclusion criteria were as follows: 1) minimum intervention period of 12 mo; 2) primary prevention trials; 3) mean age ≥18 y; 4) interventions included vitamins, fatty acids, minerals, supplements containing combinations of vitamins and minerals, protein, fiber, prebiotics, and probiotics; and 5) primary outcome of all-cause mortality and secondary outcomes of mortality or incidence from CVD or cancer...
January 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28092599/wild-boars-sus-scrofa-as-bioindicators-of-environmental-levels-of-selenium-in-poland
#6
E Nowakowska, B Pilarczyk, R Pilarczyk, A Tomza-Marciniak, M Bąkowska, A Marciniak
The objective of the study was to determine selenium content in selected organs (liver, kidney) of wild boars from different regions of Poland. Materials for the study were obtained from 28 sites located in 16 provinces of Poland. Selenium concentrations in organs were determined using spectrofluorometric methods after wet mineralization in HNO3 and HClO4 mixture. Mean selenium concentrations in the investigated wild boars from Poland were 0.230 μg/g wet weight in the liver and 1.327 μg/g w.w. in the kidneys...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28074329/dietary-adequacy-of-egyptian-children-with-autism-spectrum-disorder-compared-to-healthy-developing-children
#7
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/28070320/effect-of-dietary-selenium-source-organic-vs-mineral-and-muscle-ph-on-meat-quality-characteristics-of-pigs
#8
Luis Calvo, Fidel Toldrá, Ana I Rodríguez, Clemente López-Bote, Ana I Rey
This study evaluates the effect of organic (Se-enriched yeast; SeY) versus inorganic selenium (sodium selenite; SeS) supplementation and the different response of selenium source according to muscle pH on pork meat quality characteristics. Pigs (n = 30) were fed the Se-supplemented diets (0.3 mg/kg) for 65 days. Neither electric conductivity (EC) nor drip loss were affected by the selenium source. The SeY group had lower TBARS in muscle samples after day 7 of refrigerated storage and higher a* values on days 1 and 7 than the SeS group...
January 2017: Food Science & Nutrition
https://www.readbyqxmd.com/read/28070312/investigation-of-nutritional-properties-of-three-species-of-marine-turban-snails-for-human-consumption
#9
Roslizawati Ab Lah, Joshua Smith, Dale Savins, Ashley Dowell, Daniel Bucher, Kirsten Benkendorff
Turban snails (family Turbinidae) are gastropod molluscs that are harvested for human consumption yet little is known about the nutritional properties of these snails, particularly from Australian waters. This study compares the proximate composition (ash, moisture, protein, and lipid content), fatty acid profiles, mineral, and trace element content of three species of turbinid snails; Turbo militaris, Lunella undulata, and Lunella torquata from northern New South Wales, Australia. They were all found to have relatively high protein in their flesh (16...
January 2017: Food Science & Nutrition
https://www.readbyqxmd.com/read/28008954/sodium-selenate-regulates-the-brain-ionome-in-a-transgenic-mouse-model-of-alzheimer-s-disease
#10
Lin Zheng, Hua-Zhang Zhu, Bing-Tao Wang, Qiong-Hui Zhao, Xiu-Bo Du, Yi Zheng, Liang Jiang, Jia-Zuan Ni, Yan Zhang, Qiong Liu
Many studies have shown that imbalance of mineral metabolism may play an important role in Alzheimer's disease (AD) progression. It was recently reported that selenium could reverse memory deficits in AD mouse model. We carried out multi-time-point ionome analysis to investigate the interactions among 15 elements in the brain by using a triple-transgenic mouse model of AD with/without high-dose sodium selenate supplementation. Except selenium, the majority of significantly changed elements showed a reduced level after 6-month selenate supplementation, especially iron whose levels were completely reversed to normal state at almost all examined time points...
December 23, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27974309/analytical-ingredient-content-and-variability-of-adult-multivitamin-mineral-products-national-estimates-for-the-dietary-supplement-ingredient-database
#11
Karen W Andrews, Janet M Roseland, Pavel A Gusev, Joel Palachuvattil, Phuong T Dang, Sushma Savarala, Fei Han, Pamela R Pehrsson, Larry W Douglass, Johanna T Dwyer, Joseph M Betz, Leila G Saldanha, Regan L Bailey
BACKGROUND: Multivitamin/mineral products (MVMs) are the dietary supplements most commonly used by US adults. During manufacturing, some ingredients are added in amounts exceeding the label claims to compensate for expected losses during the shelf life. Establishing the health benefits and harms of MVMs requires accurate estimates of nutrient intake from MVMs based on measures of actual rather than labeled ingredient amounts. OBJECTIVES: Our goals were to determine relations between analytically measured and labeled ingredient content and to compare adult MVM composition with Recommended Dietary Allowances (RDAs) and Tolerable Upper Intake Levels...
February 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/27940270/zinc-and-selenium-accumulation-and-their-effect-on-iron-bioavailability-in-common-bean-seeds
#12
Marislaine A de Figueiredo, Paulo F Boldrin, Jonathan J Hart, Messias J B de Andrade, Luiz R G Guilherme, Raymond P Glahn, Li Li
Common beans (Phaseolus vulgaris) are the most important legume crops. They represent a major source of micronutrients and a target for essential trace mineral enhancement (i.e. biofortification). To investigate mineral accumulation during seed maturation and to examine whether it is possible to biofortify seeds with multi-micronutrients without affecting mineral bioavailability, three common bean cultivars were treated independently with zinc (Zn) and selenium (Se), the two critical micronutrients that can be effectively enhanced via fertilization...
November 28, 2016: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/27917847/poultry-products-enriched-with-nutricines-have-beneficial-effects-on-human-health
#13
Gordana Kralik, Zlata Kralik
The paper presents nutritive value of broiler meat and table eggs, as these animal products are used for human nutrition on a daily basis. In the Republic of Croatia, average consumption of poultry meat amounts to 18.3 kg and to 160 eggs per capita.The most quality parts of broiler carcass are breasts and drumsticks with thighs. Breast muscles contain 21-23% protein, 1.90-1.97% fat, 75.28-76.01% water and 0.74-0.77% collagen. Thigh muscles contain 4.70-6.05% fat, 19.03-19.93% protein and 0.91-1.13% collagen...
February 1, 2017: Medicinski Glasnik
https://www.readbyqxmd.com/read/27916926/ulcerative-colitis-and-crohn-s-disease-are-associated-with-decreased-serum-selenium-concentrations-and-increased-cardiovascular-risk
#14
Teresa Castro Aguilar-Tablada, Miguel Navarro-Alarcón, Javier Quesada Granados, Cristina Samaniego Sánchez, José Ángel Rufián-Henares, Flor Nogueras-Lopez
The incidence of inflammatory bowel disease (IBD) and associated oxidative stress is increasing. The antioxidant mineral selenium (Se) was measured in serum samples from 106 IBD patients (53 with ulcerative colitis (UC) and 53 with Crohn's disease (CD)) and from 30 healthy controls. Serum Se concentrations were significantly lower in UC and CD patients than in healthy controls (p < 0.001) and significantly lower in CD patients than in UC patients (p = 0.006). Se concentrations in patients were significantly influenced by sex, body mass index (BMI), the inflammatory biomarker α-1-antitrypsin, surgery, medical treatment, the severity, extent, and form of the disease and the length of time since onset (p < 0...
December 1, 2016: Nutrients
https://www.readbyqxmd.com/read/27908410/elevated-serum-mda-and-depleted-non-enzymatic-antioxidants-macro-minerals-and-trace-elements-are-associated-with-bipolar-disorder
#15
Manjurul Islam Chowdhury, Maimuna Hasan, Mohammad Safiqul Islam, Md Shahid Sarwar, Mohammad Nurul Amin, S M Naim Uddin, Md Zahedur Rahaman, Sujan Banik, Md Saddam Hussain, Kazushige Yokota, Abul Hasnat
Genetic and neurobiological factors are considered to be the major causes of mood and mental disorders. However, over the past few years, increased levels of serum malondialdehyde and altered levels of various non-enzymatic antioxidants and essential minerals involved in abnormal functional activity have been identified as major contributing factors to the pathogenesis of several neurological disorders. The aim of this study was to determine the levels of the serum lipid peroxidation product malondialdehyde (MDA), antioxidants (vitamin A, E and C), macro-minerals (calcium, potassium and sodium) and trace elements (zinc, iron and selenium) in patients with bipolar disorder and to explore their role in disease progression...
January 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27908408/protective-effect-of-magnesium-acetyltaurate-against-nmda-induced-retinal-damage-involves-restoration-of-minerals-and-trace-elements-homeostasis
#16
Azliana Jusnida Ahmad Jafri, Natasha Najwa Nor Arfuzir, Lidawani Lambuk, Igor Iezhitsa, Renu Agarwal, Puneet Agarwal, Norhafiza Razali, Anna Krasilnikova, Maria Kharitonova, Vasily Demidov, Evgeny Serebryansky, Anatoly Skalny, Alexander Spasov, Ahmad Pauzi Md Yusof, Nafeeza Mohd Ismail
Glutamate-mediated excitotoxicity involving N-methyl-d-aspartate (NMDA) receptors has been recognized as a final common outcome in pathological conditions involving death of retinal ganglion cells (RGCs). Overstimulation of NMDA receptors results in influx of calcium (Ca) and sodium (Na) ions and efflux of potassium (K). NMDA receptors are blocked by magnesium (Mg). Such changes due to NMDA overstimulation are also associated with not only the altered levels of minerals but also that of trace elements and redox status...
January 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27887813/migration-of-75-se-iv-in-crushed-beishan-granite-effects-of-the-iron-content
#17
Jiangang He, Bin Ma, Mingliang Kang, Chunli Wang, Zhe Nie, Chunli Liu
The diffusion of selenite (labeled with (75)Se) in compacted Beishan granite (BsG) was investigated using the in-diffusion capillary method at pH values from ∼2.0 to ∼11.0 under oxic and anoxic conditions. The results indicate that the apparent diffusion coefficient (Da) values of selenite in BsG always reached the minimum at approximately pH 5. Unexpectedly, the Da values under oxic conditions are nearly one order of magnitude lower than those under the anoxic conditions. Further characterization reveals the existence of redox-sensitive Fe(II)-containing components, which can be responsible for the great difference in Da values...
February 15, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/27843721/antioxidant-nutrition-in-atlantic-salmon-salmo-salar-parr-and-post-smolt-fed-diets-with-high-inclusion-of-plant-ingredients-and-graded-levels-of-micronutrients-and-selected-amino-acids
#18
Kristin Hamre, Nini H Sissener, Erik-Jan Lock, Pål A Olsvik, Marit Espe, Bente E Torstensen, Joana Silva, Johan Johansen, Rune Waagbø, Gro-Ingunn Hemre
The shift from marine to plant-based ingredients in fish feeds affects the dietary concentrations and bioavailability of micronutrients, amino acids and lipids and consequently warrants a re-evaluation of dietary nutrient recommendations. In the present study, an Atlantic salmon diet high in plant ingredients was supplemented with graded levels of nutrient premix (NP), containing selected amino acids, taurine, cholesterol, vitamins and minerals. This article presents the results on the antioxidant nutrients vitamin C, E and selenium (Se), and effects on tissue redox status...
2016: PeerJ
https://www.readbyqxmd.com/read/27837118/effects-of-dietary-organic-zinc-and-%C3%AE-tocopheryl-acetate-supplements-on-growth-performance-meat-quality-tissues-minerals-and-%C3%AE-tocopherol-deposition-in-broiler-chickens
#19
R Akbari Moghaddam Kakhki, R Bakhshalinejad, A Hassanabadi, P Ferket
The aim of this study was to evaluate the effects of different dietary levels of zinc (Zn) and α-tocopheryl acetate (α-TOA) on broilers performance, meat quality, Zn, selenium (Se), and α-tocopherol (α-TO) tissue depositions. A total of 1,080 one-day-old Ross 308 broiler chickens (mixed-sex) were allocated to nine dietary treatments. Three levels of supplemental Zn (0, 60, and 120 mg/kg of diet) and three levels of α-TOA (0, 150, and 300 mg/kg of diet) were combined as a completely randomized design with 3 × 3 factorial arrangement...
November 11, 2016: Poultry Science
https://www.readbyqxmd.com/read/27835051/comparison-of-serum-selenium-levels-among-hypertensive-and-normotensive-pregnant-women
#20
Alíssia Cardoso da Silva, Sérgio Hofmeister Martins-Costa, Edimárlei Gonsales Valério, José Geraldo Lopes Ramos
OBJECTIVE: To correlate serum selenium levels with hypertensive disorders of pregnancy (HDP) in a selected population and evaluate this mineral as a possible protective factor. METHODS: This case-control study included 32 normotensive, 20 hypertensive (chronic and gestational hypertension), and 38 preeclamptic pregnant women. All patients were recruited from antenatal or obstetric admissions of a tertiary hospital in Brazil. Serum selenium was measured at the time of inclusion...
November 11, 2016: Hypertension in Pregnancy
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