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Micronutrients

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https://www.readbyqxmd.com/read/28225938/validity-of-a-food-frequency-questionnaire-to-assess-food-intake-in-mexican-adolescent-and-adult-population
#1
Edgar Denova-Gutiérrez, Ivonne Ramírez-Silva, Sonia Rodríguez-Ramírez, Alejandra Jiménez-Aguilar, Teresa Shamah-Levy, Juan A Rivera-Dommarco
Objective: To assess the validity of a 140-item semiquantitative food frequency questionnaire (SFFQ), in Mexican adolescents and adults. Materials and methods: Dietary intakes using a SFFQ and two 24-hour dietary recalls (24DRs), in nonconsecutive days during the same week were measured from 178 adolescents and 230 adults participating in the Mexican National Health and Nutrition Survey-2012.Validity was evaluated using correlation coefficients (CC),deattenuated CC, linear regression models, cross-classification analysis, and the Bland-Altman method...
November 2016: Salud Pública de México
https://www.readbyqxmd.com/read/28225053/genetically-predicted-milk-consumption-and-bone-health-ischemic-heart-disease-and-type-2-diabetes-a-mendelian-randomization-study
#2
Q Yang, S L Lin, S L Au Yeung, M K Kwok, L Xu, G M Leung, C M Schooling
BACKGROUND/OBJECTIVES: Milk provides protein and micronutrients, and is recommended by some dietary guidelines, particularly for bone health. Meta-analysis of small randomized controlled trials suggests that milk may increase bone mineral density, but they are very heterogeneous. No randomized controlled trial has assessed the effects of milk on major chronic diseases. Previous Mendelian randomization studies of milk did not consider bone health, found no effects on ischemic heart disease (IHD) or type 2 diabetes (T2D) but higher body mass index...
February 22, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28224159/rice-bran-constituents-immunomodulatory-and-therapeutic-activities
#3
REVIEW
Ho-Young Park, Kwang-Won Lee, Hee-Don Choi
Rice bran, one of the most abundant and valuable byproducts produced during the rice milling process, is of steadily growing interest in recent years due to its potential health benefits. Evidence is rapidly accumulating for the beneficial effects of nutraceuticals. However, the potential benefits of rice bran are found in several of its bioactive ingredients including oils, polysaccharides, proteins, and micronutrients. In addition, a significant advantage of rice bran is that it contains more than 100 antioxidants and several categories of bioactive phytonutrients, such as polyphenols, phytosterols, tocotrienols, γ-oryzanol, B vitamins, minerals, and trace minerals...
February 22, 2017: Food & Function
https://www.readbyqxmd.com/read/28223994/enhanced-grain-iron-levels-in-rice-expressing-an-iron-regulated-metal-transporter-nicotianamine-synthase-and-ferritin-gene-cassette
#4
Kulaporn Boonyaves, Ting-Ying Wu, Wilhelm Gruissem, Navreet K Bhullar
Micronutrient malnutrition is widespread, especially in poor populations across the globe, and iron deficiency anemia is one of the most prevalent forms of micronutrient deficiencies. Iron deficiency anemia has severe consequences for human health, working ability, and quality of life. Several interventions including iron supplementation and food fortification have been attempted and met with varied degrees of success. Rice, which is a staple food for over half of the world's population, is an important target crop for iron biofortification...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28223487/selenium-deficiency-risk-predicted-to-increase-under-future-climate-change
#5
Gerrad D Jones, Boris Droz, Peter Greve, Pia Gottschalk, Deyan Poffet, Steve P McGrath, Sonia I Seneviratne, Pete Smith, Lenny H E Winkel
Deficiencies of micronutrients, including essential trace elements, affect up to 3 billion people worldwide. The dietary availability of trace elements is determined largely by their soil concentrations. Until now, the mechanisms governing soil concentrations have been evaluated in small-scale studies, which identify soil physicochemical properties as governing variables. However, global concentrations of trace elements and the factors controlling their distributions are virtually unknown. We used 33,241 soil data points to model recent (1980-1999) global distributions of Selenium (Se), an essential trace element that is required for humans...
February 21, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28219145/-strengthen-the-micronutrients-dynamic-surveillance-eliminate-the-malnutrition-entirely
#6
L C Yang, J H Piao, X G Yang
No abstract text is available yet for this article.
February 6, 2017: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/28217860/maternal-dietary-intake-during-pregnancy-and-its-association-to-birth-size-in-rural-malawi-a-cross-sectional-study
#7
Katrine G Hjertholm, Per Ole Iversen, Gerd Holmboe-Ottesen, Ibrahimu Mdala, Alister Munthali, Kenneth Maleta, Zumin Shi, Elaine Ferguson, Penjani Kamudoni
In low-resource settings, such as rural Malawi, pregnant women are prone to energy and micronutrient deficiencies with the consequence of delivering low-birth weight infants with higher risks of morbidity and mortality. This study aimed to examine the association between maternal dietary intakes during pregnancy and infant birth size. Dietary intakes of 203 pregnant women were assessed between 28 and 35 weeks of gestation and their infants' (n = 132) birth size measured. Intakes of energy, macronutrients, and 11 micronutrients were estimated using a 3-day interactive 24-hr diet recall...
February 19, 2017: Maternal & Child Nutrition
https://www.readbyqxmd.com/read/28216963/micronutrient-deficiencies-in-patients-with-chronic-atrophic-autoimmune-gastritis-a-review
#8
EDITORIAL
Federica Cavalcoli, Alessandra Zilli, Dario Conte, Sara Massironi
Chronic atrophic autoimmune gastritis (CAAG) is an organ-specific autoimmune disease characterized by an immune response, which is directed towards the parietal cells and intrinsic factor of the gastric body and fundus and leads to hypochlorhydria, hypergastrinemia and inadequate production of the intrinsic factor. As a result, the stomach's secretion of essential substances, such as hydrochloric acid and intrinsic factor, is reduced, leading to digestive impairments. The most common is vitamin B12 deficiency, which results in a megaloblastic anemia and iron malabsorption, leading to iron deficiency anemia...
January 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28216890/evaluate-the-antigenotoxicity-and-anticancer-role-of-%C3%AE-sitosterol-by-determining-oxidative-dna-damage-and-the-expression-of-phosphorylated-mitogen-activated-protein-kinases-c-fos-c-jun-and-endothelial-growth-factor-receptor
#9
Ramalingam Sharmila, Ganapathy Sindhu
BACKGROUND: Plant sterols are the major source of micronutrients and have not shown any obvious side effects in human. β-sitosterol is one of the most prevalent phytosterols which have been recorded in ancient medicinal history for its use in the treatment of many chronic diseases, especially cancer. The modulations of mitogen-activated protein kinases' (MAPKs') play a crucial role in the development of human renal cell carcinoma. OBJECTIVE: The aim of the current study is to evaluate the antigenotoxic and anticancer role of β-sitosterol against renal carcinogen...
January 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28215301/neurotrophic-factors-and-maternal-nutrition-during-pregnancy
#10
M Dhobale
Maternal nutrition is one of the major determinants of pregnancy outcome. It has been suggested that reduced intakes or lack of specific nutrients during pregnancy influences the length of gestation, proper placental and fetal growth during pregnancy. Maternal nutrition, particularly micronutrients such as folate and vitamin B12, and long-chain polyunsaturated fatty acids (LCPUFA) are the major determinants of the one carbon cycle and are suggested to be at the heart of intrauterine programming of diseases in adult life...
2017: Vitamins and Hormones
https://www.readbyqxmd.com/read/28212284/micronutrient-intakes-in-553-dutch-elite-and-sub-elite-athletes-prevalence-of-low-and-high-intakes-in-users-and-non-users-of-nutritional-supplements
#11
Floris Wardenaar, Naomi Brinkmans, Ingrid Ceelen, Bo Van Rooij, Marco Mensink, Renger Witkamp, Jeanne De Vries
This study investigated whether athletes meet micronutrient recommendations and whether the adequacy of their intake is related to the use of dietary supplements, sport nutrition products or a combination. Micronutrient intakes of 553 Dutch (sub-) elite athletes were assessed using web-based 24-h dietary recalls with accompanying nutritional supplement questionnaires. In the majority of both users and non-users of dietary supplements, vitamin D intake was below the estimated average requirement (AR) if supplements were not included in the analysis...
February 15, 2017: Nutrients
https://www.readbyqxmd.com/read/28208814/adequacy-of-usual-vitamin-and-mineral-intake-in-spanish-children-and-adolescents-enalia-study
#12
Ana M López-Sobaler, Aránzazu Aparicio, Liliana G González-Rodríguez, Esther Cuadrado-Soto, Josefa Rubio, Victoria Marcos, Rosa Sanchidrián, Sara Santos, Napoleón Pérez-Farinós, Marian Ángeles Dal Re, Carmen Villar, Teresa Robledo, J Javier Castrodeza, Rosa M Ortega
Background: The National Dietary Survey on the Child and Adolescent Population in Spain (ENALIA) provides data to assess the usual micronutrient intake among Spanish infants, children, and adolescents. Methods: Cross-sectional survey (November 2012-July 2014) of a representative sample of Spanish children and adolescents (six months-17 years) (n = 1862). Dietary information was collected using two non-consecutive one-day food diaries (six months-10 years old) or two 24 h dietary recalls (11 years and older) separated by at least 14 days...
February 13, 2017: Nutrients
https://www.readbyqxmd.com/read/28208632/cross-talk-between-dnmt2-dependent-trna-methylation-and-queuosine-modification
#13
REVIEW
Ann E Ehrenhofer-Murray
Enzymes of the Dnmt2 family of methyltransferases have yielded a number of unexpected discoveries. The first surprise came more than ten years ago when it was realized that, rather than being DNA methyltransferases, Dnmt2 enzymes actually are transfer RNA (tRNA) methyltransferases for cytosine-5 methylation, foremost C38 (m5C38) of tRNAAsp. The second unanticipated finding was our recent discovery of a nutritional regulation of Dnmt2 in the fission yeast Schizosaccharomyces pombe. Significantly, the presence of the nucleotide queuosine in tRNAAsp strongly stimulates Dnmt2 activity both in vivo and in vitro in S...
February 10, 2017: Biomolecules
https://www.readbyqxmd.com/read/28208007/risk-factors-for-vitamin-d-zinc-and-selenium-deficiencies-in-korean-patients-with-inflammatory-bowel-disease
#14
Yoo Min Han, Hyuk Yoon, Soo Lim, Mi-Kyung Sung, Cheol Min Shin, Young Soo Park, Nayoung Kim, Dong Ho Lee, Joo Sung Kim
Background/Aims: Studies on the micronutrient status of Asian patients with inflammatory bowel disease (IBD) are scarce. We evaluated the prevalence of micronutrient deficiency and verified the risk factors for micronutrient deficiency in Korean patients with IBD. Methods: We measured the serum levels of 25-hydroxyvitamin D3 [25-(OH)D], zinc, and selenium to analyze the clinical risk factors for micronutrient levels below the reference values. In addition, we compared the 25-(OH)D levels of patients with IBD to those of age- and sex-matched healthy controls...
February 17, 2017: Gut and Liver
https://www.readbyqxmd.com/read/28207425/evidence-based-interventions-for-improvement-of-maternal-and-child-nutrition-in-low-income-settings-what-s-new
#15
Tyler Vaivada, Michelle F Gaffey, Jai K Das, Zulfiqar A Bhutta
PURPOSE OF REVIEW: Maternal and child malnutrition continues to disproportionately affect low and middle-income countries, contributing to high rates of morbidity, mortality, and suboptimal development. This article reviews evidence from recent systematic reviews and studies on the effectiveness of interventions to improve nutritional status in these especially vulnerable populations. RECENT FINDINGS: Macronutrients provided to expectant mothers in the form of balanced protein energy supplements can improve fetal growth and birth outcomes, and new research suggests that lipid nutrient supplements can reduce both stunting and wasting in newborns...
February 15, 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/28202638/vitamin-concentrations-in-human-milk-vary-with-time-within-feed-circadian-rhythm-and-single-dose-supplementation
#16
Daniela Hampel, Setareh Shahab-Ferdows, M Munirul Islam, Janet M Peerson, Lindsay H Allen
Background: Human milk is the subject of many studies, but procedures for representative sample collection have not been established. Our improved methods for milk micronutrient analysis now enable systematic study of factors that affect its concentrations.Objective: We evaluated the effects of sample collection protocols, variations in circadian rhythms, subject variability, and acute maternal micronutrient supplementation on milk vitamin concentrations.Methods: In the BMQ (Breast-Milk-Quality) study, we recruited 18 healthy women (aged 18-26 y) in Dhaka, Bangladesh, at 2-4 mo of lactation for a 3-d supplementation study...
February 15, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28197835/selenium-vanadium-and-chromium-as-micronutrients-to-improve-metabolic-syndrome
#17
REVIEW
Sunil K Panchal, Stephen Wanyonyi, Lindsay Brown
Trace metals play an important role in the proper functioning of carbohydrate and lipid metabolism. Some of the trace metals are thus essential for maintaining homeostasis, while deficiency of these trace metals can cause disorders with metabolic and physiological imbalances. This article concentrates on three trace metals (selenium, vanadium, and chromium) that may play crucial roles in controlling blood glucose concentrations possibly through their insulin-mimetic effects. For these trace metals, the level of evidence available for their health effects as supplements is weak...
March 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28194309/trace-elements-during-primordial-plexiform-network-formation-in-human-cerebral-organoids
#18
Rafaela C Sartore, Simone C Cardoso, Yury V M Lages, Julia M Paraguassu, Mariana P Stelling, Rodrigo F Madeiro da Costa, Marilia Z Guimaraes, Carlos A Pérez, Stevens K Rehen
Systematic studies of micronutrients during brain formation are hindered by restrictions to animal models and adult post-mortem tissues. Recently, advances in stem cell biology have enabled recapitulation of the early stages of human telencephalon development in vitro. In the present work, we analyzed cerebral organoids derived from human pluripotent stem cells by synchrotron radiation X-ray fluorescence in order to measure biologically valuable micronutrients incorporated and distributed into the exogenously developing brain...
2017: PeerJ
https://www.readbyqxmd.com/read/28194267/retinol-%C3%AE-tocopherol-and-selected-minerals-in-breast-milk-of-lactating-women-with-full-term-infants-in-south-korea
#19
Hyesook Kim, Byung-Mun Jung, Bum-Noh Lee, Yun-Je Kim, Ji A Jung, Namsoo Chang
BACKGROUND/OBJECTIVES: This study was performed to measure fat-soluble vitamins and minerals in breast milk of Korean lactating mothers who exclusively breastfed their babies. SUBJECTS/METHODS: Breast milk samples were collected from 334 mothers. Concentrations of retinol and α-tocopherol were analyzed by high performance liquid chromatography ultraviolet spectrometry while concentrations of minerals were measured by inductively coupled plasma optical emission spectrometry...
February 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28194237/the-impact-of-micronutrient-status-on-health-correlation-network-analysis-to-understand-the-role-of-micronutrients-in-metabolic-inflammatory-processes-regulating-homeostasis-and-phenotypic-flexibility
#20
Tim J van den Broek, Bas H A Kremer, Marisa Marcondes Rezende, Femke P M Hoevenaars, Peter Weber, Ulrich Hoeller, Ben van Ommen, Suzan Wopereis
BACKGROUND: Vitamins and carotenoids are key micronutrients facilitating the maintenance of health, as evidenced by the increased risk of disease with low intake. Optimal phenotypic flexibility, i.e., the ability to respond to a physiological challenge, is an essential indicator of health status. Therefore, health can be measured by applying a challenge test and monitoring the response of relevant phenotypic processes. In this study, we assessed the correlation of three fat-soluble vitamins, (i...
2017: Genes & Nutrition
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