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Folate nutrition

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https://www.readbyqxmd.com/read/28820585/chemo-enzymatic-assembly-of-isotopically-labeled-folates
#1
Antonio Angelastro, William Michael Dawson, Louis Y P Luk, E Joel Loveridge, Rudolf K Allemann
Pterin-containing natural products have diverse functions in life but an efficient and easy scheme for their in vitro synthesis is not available. Here, we report a chemo-enzymatic 14-step, one-pot synthesis that can be used to generate 13C- and 15N-labeled dihydrofolates (H2F) from glucose, guanine and p-aminobenzoyl-L-glutamic acid. This synthesis stands out from previous approaches to produce H2F in that the average yield of each step is >91% and it requires only one single purification step. The use of a one-pot reaction allowed us to overcome potential problems with individual steps during the synthesis...
August 18, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28814349/breakfast-consumption-and-nutrient-intakes-in-4-18-year-olds-uk-national-diet-and-nutrition-survey-rolling-programme-2008-2012
#2
Janine D Coulthard, Luigi Palla, Gerda K Pot
Although breakfast consumption is widely considered to be an important component of a healthy lifestyle, few UK studies have examined differences in nutrient intakes between breakfast consumers and breakfast skippers among children and adolescents. We investigated associations between breakfast skipping in 4-18-year-olds and their nutrient intakes using data from the UK's National Diet and Nutrition Survey Rolling Programme. Dietary data were derived from 4-d estimated food diaries of 802 children aged 4-10 years and 884 children aged 11-18 years (1686 in total)...
August 17, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28805734/grain-foods-are-contributors-of-nutrient-density-for-american-adults-and-help-close-nutrient-recommendation-gaps-data-from-the-national-health-and-nutrition-examination-survey-2009-2012
#3
Yanni Papanikolaou, Victor L Fulgoni
The 2015-2020 Dietary Guidelines for Americans (2015-2020 DGA) maintains recommendations for increased consumption of whole grains while limiting intake of enriched/refined grains. A variety of enriched grains are sources of several shortfall nutrients identified by 2015-2020 DGA, including dietary fiber, folate, iron, and magnesium. The purpose of this study was to determine food sources of energy and nutrients for free-living U.S. adults using data from the National Health and Nutrition Examination Survey, 2009-2012...
August 14, 2017: Nutrients
https://www.readbyqxmd.com/read/28799141/trace-element-and-vitamin-concentrations-in-paediatric-dialysis-patients
#4
Triona Joyce, Frances Court Brown, Dean Wallace, Christopher J D Reid, Manish D Sinha
BACKGROUND: There are few recent data regarding blood micronutrient concentrations and supplementation in children on maintenance dialysis. We investigated micronutrient concentrations following dialysis commencement. METHODS: Retrospective review, including all children on maintenance dialysis (peritoneal dialysis, PD; intermittent haemodialysis, IHD), for nutritional blood concentrations measured over the first 12 months. Patients received pyridoxine and Dialyvit® daily with planned 3-monthly micronutrient concentration monitoring including selenium, manganese, copper, zinc, folate and vitamins A, D, B12 and E...
August 10, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28779878/adult-classical-homocystinuria-requiring-parenteral-nutrition-pitfalls-and-management
#5
REVIEW
Christel Tran, Luisa Bonafé, Jean-Marc Nuoffer, Julie Rieger, Mette M Berger
BACKGROUND: Homocystinuria due to cystathionine beta synthase (CBS) deficiency presents with a wide clinical spectrum. Treatment by the enteral route aims at reducing homocysteine levels by using vitamin B6, possibly methionine-restricted diet, betaine and/or folate and vitamin B12 supplementation. Currently no nutritional guidelines exist regarding parenteral nutrition (PN) under acute conditions. METHODS: Exhaustive literature search was performed, in order to identify the relevant studies describing the pathogenesis and nutritional intervention of adult classical homocystinuria requiring PN...
July 25, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28777954/association-between-blood-folate-concentrations-and-depression-in-reproductive-aged-u-s-women-nhanes-2011-2012
#6
Brenda Nguyen, Paul Weiss, Hind Beydoun, Vijaya Kancherla
BACKGROUND: Blood folate concentrations have been linked to an increased risk of depression in adults. Depression is particularly pronounced among women; however, the association between folate concentration and depression is not well-examined among women of reproductive age. The purpose of our study was to assess the association between low serum and red blood cell folate concentration and the risk of moderate to severe depression among non-pregnant women of reproductive age in the United States (U...
July 17, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28776604/the-role-of-diet-physical-activity-body-fatness-and-breastfeeding-in-breast-cancer-in-young-women-epidemiological-evidence
#7
I Isabelle Romieu, A Amadou, V Chajes
The incidence of breast cancer (BC) is rising worldwide, with an increase in aggressive neoplasias in young women. Traditionally, BC in young women has been thought to be etiologically driven, primarily by genetic/hereditary factors. However, these factors explain only a small proportion of BCs, pointing to a role of the environment. Suspected factors responsible for this increase include lifestyle changes, notably alcohol consumption, diet with high intake of refined carbohydrates and saturated fat and low intake of polyunsaturated fatty acids (PUFA), fiber and vitamins (such as folate, vitamin D, and carotenoids), low physical activity, and body fatness, all of which may act from childhood and adolescent years through adulthood...
July 2017: Revista de Investigación Clínica; Organo del Hospital de Enfermedades de la Nutrición
https://www.readbyqxmd.com/read/28754003/estimated-nutritive-value-of-low-price-model-lunch-sets-provided-to-garment-workers-in-cambodia
#8
Jan Makurat, Aarati Pillai, Frank T Wieringa, Chhoun Chamnan, Michael B Krawinkel
BACKGROUND: The establishment of staff canteens is expected to improve the nutritional situation of Cambodian garment workers. The objective of this study is to assess the nutritive value of low-price model lunch sets provided at a garment factory in Phnom Penh, Cambodia. METHODS: Exemplary lunch sets were served to female workers through a temporary canteen at a garment factory in Phnom Penh. Dish samples were collected repeatedly to examine mean serving sizes of individual ingredients...
July 21, 2017: Nutrients
https://www.readbyqxmd.com/read/28746059/nutrition-micronutrients-in-child-growth-and-development-a-systematic-review-on-current-evidence-recommendations-and-opportunities-for-further-research
#9
Mohammad Yawar Yakoob, Clifford W Lo
OBJECTIVE: An important aspect of malnutrition is deficiency of different micronutrients during pregnancy or early childhood. We systematically reviewed the role of nutrition in child growth (weight or height gain) and development. METHODS: A comprehensive literature search was done on PubMed/Cochrane Library browsing through 38,795 abstracts until December 31, 2016 to select systematic reviews/meta-analyses and individual randomized controlled trials (RCTs) of micronutrient supplementation...
July 25, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28727945/micronutrient-alterations-during-continuous-renal-replacement-therapy-in-critically-ill-adults-a-retrospective-study
#10
Amir Y Kamel, Nisha J Dave, Vivian M Zhao, Daniel P Griffith, Michael J Connor, Thomas R Ziegler
BACKGROUND: Continuous renal replacement therapy (CRRT) is commonly used to provide renal replacement therapy in the intensive care unit. Limited published data suggest that CRRT may lead to depletion of water-soluble vitamins and trace elements. The goal of this study was to identify the incidence of trace element and vitamin deficiencies in critically ill patients during CRRT. MATERIALS AND METHODS: This study is based on a retrospective chart review of patients who were referred to Emory University Hospital's nutrition support services and had at least 1 serum micronutrient level measured during CRRT (thiamin, pyridoxine, ascorbic acid, folate, zinc, and copper) between April 1, 2009, and June 1, 2012...
July 1, 2017: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/28718091/nutritional-and-micronutrient-care-of-bariatric-surgery-patients-current-evidence-update
#11
REVIEW
Michael A Via, Jeffrey I Mechanick
PURPOSE OF REVIEW: The continued success of bariatric surgery to treat obesity and obesity-associated metabolic conditions creates a need for a strong understanding of clinical nutrition both before and after these procedures. RECENT FINDINGS: Surgically induced alteration of gastrointestinal physiology can affect the nutrition of individuals, especially among those who have undergone malabsorptive procedures. While uncommon, a subset of patients may develop protein-calorie malnutrition...
July 17, 2017: Current Obesity Reports
https://www.readbyqxmd.com/read/28707418/comparison-of-nutrient-intake-in-adolescents-and-adults-with-and-without-food-allergies
#12
K Maslin, C Venter, H MacKenzie, B Vlieg-Boerstra, T Dean, I Sommer
BACKGROUND: Exclusion diets for the management of food allergy pose a risk of nutritional deficiencies and inadequate growth in children, yet less is known about their effect in adolescents and adults. The present study aimed to compare the dietary intake of adolescents and adults with food allergies with that of a control group. METHODS: A food allergic and a control group were recruited from Portsmouth and the Isle of Wight in the UK. Participants were recruited from a food allergy charity, allergy clinics, a local school and university, and previous research studies...
July 13, 2017: Journal of Human Nutrition and Dietetics: the Official Journal of the British Dietetic Association
https://www.readbyqxmd.com/read/28697391/nutrients-in-one-carbon-metabolism-and-urinary-arsenic-methylation-in-the-national-health-and-nutrition-examination-survey-nhanes-2003-2004
#13
Margaret Kurzius-Spencer, Vanessa da Silva, Cynthia A Thomson, Vern Hartz, Chiu-Hsieh Hsu, Jefferey L Burgess, Mary Kay O'Rourke, Robin B Harris
Exposure to inorganic arsenic (inAs), a potent toxicant, occurs primarily through ingestion of food and water. The efficiency with which it is methylated to mono and dimethyl arsenicals (MMA and DMA) affects toxicity. Folate, vitamins B12 and B6 are required for 1C metabolism, and studies have found that higher levels of these nutrients increase methylation capacity and are associated with protection against adverse health effects from inAs, especially in undernourished populations. Our aim was to determine whether 1C-related nutrients are associated with greater inAs methylation capacity in a general population sample with overall adequate nutrition and low levels of As exposure...
July 8, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28682891/influence-of-phenylketonuria-s-diet-on-dimethylated-arginines-and-methylation-cycle
#14
Fernando Andrade, Olalla López-Suárez, Marta Llarena, María L Couce, Luis Aldámiz-Echevarría
Phenylketonuria's (PKU) treatment based on low natural protein diet may affect homocysteine (Hcys) metabolic pathway. Hcys alteration may be related to the methylation of arginine to asymmetric dimethylarginine (ADMA) and symmetric dimethylarginine (SDMA), which both modify nitric oxide production. The aim of this work is to evaluate the status of Hcys formation methylation cycle and ADMA and SDMA levels in patients with PKU in order to establish a potential relationship.Forty-two early diagnosed PKU patients under dietary treatment and good adherence to their diets were enrolled in this cross-sectional study...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28672791/risk-of-deficiency-in-multiple-concurrent-micronutrients-in-children-and-adults-in-the-united-states
#15
Julia K Bird, Rachel A Murphy, Eric D Ciappio, Michael I McBurney
Certain population sub-groups in the United States are vulnerable to micronutrient malnutrition. Nationally representative data from the National Health and Nutrition Examination Survey (NHANES) describing the biochemical status of vitamins A, B6, B12, C, D, E, folate, and anemia, were aggregated to determine the overall risk of multiple concurrent deficiencies in U.S. children and adults (n = 15,030) aged >9 years. The prevalence of deficiency risk according to socio-demographic, life-stage, dietary supplement use, and dietary adequacy categories was investigated...
June 24, 2017: Nutrients
https://www.readbyqxmd.com/read/28670647/farming-and-the-geography-of-nutrient-production-for-human-use-a-transdisciplinary-analysis
#16
Mario Herrero, Philip K Thornton, Brendan Power, Jessica R Bogard, Roseline Remans, Steffen Fritz, James S Gerber, Gerald Nelson, Linda See, Katharina Waha, Reg A Watson, Paul C West, Leah H Samberg, Jeannette van de Steeg, Eloise Stephenson, Mark van Wijk, Petr Havlík
BACKGROUND: Information about the global structure of agriculture and nutrient production and its diversity is essential to improve present understanding of national food production patterns, agricultural livelihoods, and food chains, and their linkages to land use and their associated ecosystems services. Here we provide a plausible breakdown of global agricultural and nutrient production by farm size, and also study the associations between farm size, agricultural diversity, and nutrient production...
April 2017: The Lancet. Planetary health
https://www.readbyqxmd.com/read/28659736/folate-intake-in-a-swedish-adult-population-food-sources-and-predictive-factors
#17
Celia Monteagudo, Henrik Scander, Bente Nilsen, Agneta Yngve
Introduction: Folate plays an important role in cell metabolism, but international studies show that intake is currently below recommendations, especially among women. The study objective was to identify folate food sources by food group, gender, and age group, and to identify factors influencing folate intake, based on food consumption data for Swedish adults in the 2010-11 Riksmaten study. Methods: The sample included a representative Swedish population aged 18-80 years (n = 1657; 56.3% female). Food and nutrient intakes were estimated from self-reported food records during 4 consecutive days...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/28657651/diet-and-cancer-prevention-dietary-compounds-dietary-micrornas-and-dietary-exosomes
#18
Zarrin Banikazemi, Hemat Aghagolzadeh Haji, Mohsen Mohammadi, Gholamreza Taheripak, Elmira Iranifar, Mohsen Poursadeghiyan, Abdullah Moridikia, Bahman Rashidi, Mohsen Taghizadeh, Hamed Mirzaei
Cancer is one of main health public problems worldwide. Several factors are involved in beginning and development of cancer. Genetic and internal/external environmental factors can be as important agents that effect on emerging and development of several cancers. Diet and nutrition may be as one of important factors in prevention or treatment of various cancers. A large number studies indicated that suitable dietary patterns may help to cancer prevention or could inhibit development of tumor in cancer patients...
June 28, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28656970/association-studies-of-genetic-scores-of-serum-vitamin-b12-and-folate-levels-with-symptoms-of-depression-and-anxiety-in-two-danish-population-studies
#19
L T Møllehave, T Skaaby, K S Simonsen, B H Thuesen, E L Mortensen, C H Sandholt, O Pedersen, N Grarup, T Hansen, A Linneberg
BACKGROUND/OBJECTIVES: Observational studies have suggested low serum levels of vitamin B12 or folate to be risk factors of depression and anxiety. However, these results may be biased by confounding and reverse causation. Mendelian randomization studies are not subject to these limitations. The aim was to examine the association of genetic scores of vitamin B12 and folate-associated alleles with depression and anxiety. SUBJECTS/METHODS: The study included 4126 participants from two Danish population-based studies...
June 28, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28653034/nutrients-required-for-phospholipid-synthesis-are-lower-in-blood-and-cerebrospinal-fluid-in-mild-cognitive-impairment-and-alzheimer-s-disease-dementia
#20
Nick van Wijk, Rosalinde E R Slot, Flora H Duits, Marieke Strik, Egbert Biesheuvel, John W C Sijben, Marinus A Blankenstein, Jörgen Bierau, Wiesje M van der Flier, Philip Scheltens, Charlotte E Teunissen
INTRODUCTION: Synaptic membrane formation depends on nutrients that fuel metabolic pathways for the synthesis of constituent phospholipids. Consequently, insufficient availability of such nutrients may restrict membrane formation and contribute to synaptic dysfunction in Alzheimer's disease (AD). We assessed whether blood and cerebrospinal fluid (CSF) concentrations of nutrients related to phospholipid synthesis differ among patients with AD, mild cognitive impairment (MCI), and control subjects...
2017: Alzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoring
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