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micronutrient testing

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https://www.readbyqxmd.com/read/29675821/integrated-effect-of-nutrients-from-a-recirculation-aquaponic-system-and-foliar-nutrition-on-the-yield-of-tomatoes-solanum-lycopersicum-l-and-solanum-pimpinellifolium
#1
Mariel Gullian Klanian, Mariana Delgadillo Diaz, Javier Aranda, Carolina Rosales Juárez
The objective of this study was to evaluate the potential of tomato plants to efficiently use the nitrogen (N) of a recirculation aquaponic system (RAS) and to evaluate the effects of foliar fertilization as a complement to the water nutrition on the growth of the two tomato cultivars. The significant effect of six macro- and seven micronutrients was evaluated on the plant growth and on the fruit yield. Two experiments were performed in a nutrient film aquaponic unit. The first experiment was designed to study the effects of foliar fertilization on the seedlings of two tomato cultivars Costoluto Genovese (CG) (Solanum lycopersicum L...
April 20, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29656297/reducing-mineral-and-vitamin-deficiencies-through-biofortification-progress-under-harvestplus
#2
Howarth Bouis
Fundamentally, the prevalence of mineral and vitamin deficiencies is high in developing countries due to the fact that agricultural systems do not produce sufficient foods rich in minerals and vitamins. Biofortification involves breeding staple food crops to increase their micronutrient content, targeting staple foods widely consumed by low-income families globally. In so doing, biofortification contributes to solving the underlying problem of mineral and vitamin deficiencies by increasing the amount of iron, zinc, and provitamin A produced by food systems...
April 13, 2018: World Review of Nutrition and Dietetics
https://www.readbyqxmd.com/read/29619077/risk-factors-for-vitamin-a-and-d-deficiencies-among-children-under-five-in-the-state-of-palestine
#3
Aeysha Bushra Chaudhry, Shakoor Hajat, Najwa Rizkallah, Ala'a Abu-Rub
Background: Vitamin A and D are essential for the proper growth and development of a child. Due to the complex political circumstances in the state of Palestine, research on micronutrient deficiency is scarce. Methods: The Palestinian Ministry of Health (MOH) and UNICEF conducted a national cross-sectional survey in 2013 after the implementation of various micronutrient supplementation and fortification programs. Risk factors for levels of vitamin A ( n  = 1054) and vitamin D ( n  = 150) were assessed among children aged 6 to 59 months using chi-square tests and logistic regression with each of the outcome variables, vitamin A and D deficiencies...
2018: Conflict and Health
https://www.readbyqxmd.com/read/29613921/markers-of-environmental-enteric-dysfunction-are-associated-with-neurodevelopmental-outcomes-in-tanzanian-children
#4
Analee J Etheredge, Karim Manji, Mark Kellogg, Hao Tran, Enju Liu, Christine M McDonald, Rodrick Kisenge, Said Aboud, Wafaie Fawzi, David Bellinger, Andrew T Gewirtz, Christopher P Duggan
BACKGROUND: Chronic exposure to enteropathogens may result in environmental enteric dysfunction (EED), a subclinical condition associated with poor child growth. Growth faltering is strongly associated with poor neurodevelopment, and occurs during sensitive periods of postnatal brain development. We investigated the role of novel EED biomarkers, systemic inflammation, and micronutrient status on neurodevelopment in Tanzanian children. METHODS: Non-stunted subjects with 6-week and 6-month blood samples and neurodevelopmental measures (n = 107) were included in this study...
April 2, 2018: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/29579413/the-unusual-nutritional-and-toxin-related-underproduction-anemias-approaching-the-riddle-beyond-iron-cobalamin-and-folate
#5
Cristhiam Mauricio Rojas-Hernandez, Thein Hlaing Oo
"Anemias beyond iron, vitamin B12, and folate deficiencies" covers a wide array of everything which lies beyond commonly seen anemias caused by deficiencies of three micronutrients. Although anemias due to deficiencies of iron, B12, and folate are common in daily practice and account for at least one-third of anemia etiologies in older adults, it is not uncommon to encounter other nutritional and toxin-induced underproduction anemias. The combination of thorough clinical examination, careful peripheral blood smear review, and judicious selection of supporting laboratory studies is typically sufficient to make an assertive diagnosis of those cases...
February 2018: Discovery Medicine
https://www.readbyqxmd.com/read/29574320/sulfate-facilitates-cadmium-accumulation-in-leaves-of-vicia-faba-l-at-flowering-stage
#6
Jiawen Wu, Amit Sagervanshi, Karl Hermann Mühling
Cadmium (Cd) is a toxic element, and is prevalent all over the world because of industrialization, mining, sewage sludge, or pesticide supply. Sulfur deficiency is also a frequent problem faced in agriculture. To date, information relating to effects of sulfate on Cd toxicity is still limited. To elucidate how sulfate affects Cd accumulation in faba bean, subcellular accumulation of Cd in leaves consisting of apoplastic washing fluid, symplastic fluid and the cell wall under deficient, sufficient and excess sulfate treatments were investigated in the present study...
March 22, 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29568317/rapeseed-oil-fortified-with-micronutrients-can-reduce-glucose-intolerance-during-a-high-fat-challenge-in-rats
#7
Frederic Capel, Alain Geloen, Carole Vaysse, Gaelle Pineau, Luc Demaison, Jean-Michel Chardigny, Marie-Caroline Michalski, Corinne Malpuech-Brugère
Background: Better choices of dietary lipid sources and substitution of refined by fortified oils could reduce the intake of saturated fatty acids (FA) and increase the intake of omega 3 FA concomitantly to healthy bioactive compounds. Methods: The development of obesity and metabolic disturbances was explored in rats fed during 11 weeks with a high fat diet (HFD) in which the amount of saturated and polyunsaturated FA was respectively reduced and increased, using rapeseed oil as lipid source...
2018: Nutrition & Metabolism
https://www.readbyqxmd.com/read/29565149/impact-of-milk-based-micronutrient-supplementation-in-school-children-in-quito-ecuador
#8
Daniela A Guevara, Samira Reyes, Mariuxi López, Nancy Flores, Santiago Aguirre, Erika B Muñoz, Marco Fornasini, Manuel E Baldeón
BACKGROUND: The most common micronutrient deficiencies in Ecuadorian schoolchildren are vitamin A (VA), zinc, and iron. The objective of the present study was to test the efficacy of cow's milk as a vehicle for VA, zinc, and iron supplementation. METHODS: Three hundred twenty-eight children aged 6-10 years were included in a randomized, double blind controlled study; 173 children received 480 mL of whole milk (300 Kcals; G1) daily and 155 children received fortified milk (300 Kcals; G2) daily for 23 weeks...
November 17, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29556158/calorie-restriction-regime-enhances-physical-performance-of-trained-athletes
#9
Victoria Pons, Joan Riera, Xavier Capó, Miquel Martorell, Antoni Sureda, Josep A Tur, Franchek Drobnic, Antoni Pons
Background: Caloric restriction induces mitochondrial biogenesis and improves physical fitness in rodents. We aimed to provide evidence of how caloric restriction affects the body composition and physical performance of trained athletes and to evaluate the possible impact of an every-other-day feeding diet on nutritional deficiencies of micronutrients and essential fatty acids. Methods: The study was performed with 12 healthy male athletes by carrying out a 33% caloric restriction with respect to their usual diet...
2018: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/29554733/mechanisms-governing-the-leaching-of-soil-metals-as-a-result-of-disposal-of-olive-mill-wastewater-on-agricultural-soils
#10
R Aharonov-Nadborny, L Tsechansky, M Raviv, E R Graber
Olive mill wastewater (OMWW) is an acidic, saline, and organic matter-rich aqueous byproduct of olive oil production that is usually disposed of by spreading on agricultural soils. This study tested whether spreading OMWW can release indigenous soil metals (Fe, Mn, Cu and Zn) through pH, redox, and DOM complexation-related mechanisms, using three agricultural soils having different textures and chemical properties, and controlled pH and redox conditions (pH5.6 or 8.4; ORP from -200 to +250mV). Comparison treatments included a solution having the same salt content and composition as OMWW but lacking OM, and deionized water (DW)...
March 1, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29554573/the-phytochelatin-synthase-from-nitella-mucronata-charophyta-plays-a-role-in-the-homeostatic-control-of-iron-ii-iii
#11
Debora Fontanini, Andrea Andreucci, Monica Ruffini Castiglione, Adriana Basile, Sergio Sorbo, Alessandro Petraglia, Francesca Degola, Erika Bellini, Laura Bruno, Claudio Varotto, Luigi Sanità di Toppi
Although some charophytes (sister group to land plants) have been shown to synthesize phytochelatins (PCs) in response to cadmium (Cd), the functional characterization of their phytochelatin synthase (PCS) is still completely lacking. To investigate the metal response and the presence of PCS in charophytes, we focused on the species Nitella mucronata. A 40 kDa immunoreactive PCS band was revealed in mono-dimensional western blot by using a polyclonal antibody against Arabidopsis thaliana PCS1. In two-dimensional western blot, the putative PCS showed various spots with acidic isoelectric points, presumably originated by post-translational modifications...
March 13, 2018: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29553428/risk-factors-for-vitamin-a-and-vitamin-d-deficiencies-in-children-younger-than-5-years-in-the-occupied-palestinian-territory-a-cross-sectional-study
#12
Aeysha Chaudhry, Shakoor Hajat, Najwa Rizkallah, Ala'a Abu-Rub
BACKGROUND: Vitamin A and vitamin D are essential for a child's growth and development. However, research on micronutrients in the occupied Palestinian territory is scarce. The aim of this study was to ascertain the prevalence and risk factors of vitamin A and vitamin D deficiencies in children living in the occupied Palestinian territory. METHODS: The Palestinian Micronutrient Survey in 2013 measured concentrations of vitamin A in 1054 children (569 children in the West Bank and 485 children in the Gaza Strip) and vitamin D in 150 children (75 children in the West Bank and 75 children in the Gaza Strip)...
February 21, 2018: Lancet
https://www.readbyqxmd.com/read/29551406/heart-failure-micronutrient-profile-and-its-connection-with-thyroid-dysfunction-and-nutritional-status
#13
Livia Fernandes de Lima, Fernando Barbosa, Marcus Vinícius Simões, Anderson Marliere Navarro
INTRODUCTION: Heart failure (HF) is a growing public health issue; its risk factors include inappropriate dietary intake of microelements such as iodine, selenium, zinc and iron, which may lead to thyroid dysfunction. OBJECTIVE: This study aimed to assess the correlation among the functional class stages of patients with HF, iodine, selenium, iron and zinc levels with the presence of thyroid dysfunction. METHODOLOGY: One hundred nine patients from the HF outpatient clinic of the Clinics Hospital of Ribeirão Preto whose blood and urine were collected for micronutrient analysis and laboratory tests were selected...
March 3, 2018: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29549332/lack-of-impact-of-the-el-hierro-canary-islands-submarine-volcanic-eruption-on-the-local-phytoplankton-community
#14
M Gómez-Letona, J Arístegui, A G Ramos, M F Montero, J Coca
The eruption of a submarine volcano south of El Hierro Island (Canary Islands) in October 2011 led to major physical and chemical changes in the local environment. Large amounts of nutrients were found at specific depths in the water column above the volcano associated with suboxic layers resulting from the oxidation of reduced chemical species expelled during the eruptive phase. It has been suggested that the fertilization with these compounds enabled the rapid restoration of the ecosystem in the marine reserve south of the island once the volcanic activity ceased, although no biological evidence for this has been provided yet...
March 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29548287/randomised-controlled-trial-to-test-the-effectiveness-of-a-locally-produced-ready-to-use-supplementary-food-rusf-in-preventing-growth-faltering-and-improving-micronutrient-status-for-children-under-two-years-in-cambodia-a-study-protocol
#15
Bindi Borg, Seema Mihrshahi, Mark Griffin, Daream Sok, Chamnan Chhoun, Arnaud Laillou, Jacques Berger, Frank T Wieringa
BACKGROUND: Existing ready-to-use supplementary and therapeutic foods (RUSFs and RUTFs) have had limited acceptance and effectiveness in Cambodia. This has hampered the treatment and prevention of child malnutrition. An innovative, locally produced, multiple micronutrient fortified lipid-based nutrient supplement (LNS) has been developed for use as an RUSF. Unlike most RUSFs, which contain milk, this product contains fish as the animal protein. Few RUSFs have been formulated using non-milk animal-source foods and they have not been widely tested...
March 16, 2018: Nutrition Journal
https://www.readbyqxmd.com/read/29544802/how-amending-calcareous-soils-with-municipal-solid-waste-compost-affects-fe-fractionation-and-availability-to-plant
#16
Amir Bostani
The solubility of iron (Fe), as an important micronutrient for plant growth, is not high in the calcareous soils, and hence efficient methods must be used to increase its availability for plant use. Accordingly, a two-year research work was conducted to investigate the effects of composted municipal solid wastes (MSW) on Fe accumulation and fractionation in a calcareous soil. Treatments including MSW levels at (0 (control), 15 (MSW1), 30 (MSW2) and 60 (MSW3) t ha-1 dry weight) and usage time (yearly (T1) or biyearly usage (T2)) were tested in a factorial experiment on the basis of a completely randomized block design with three replications...
May 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29527341/does-antenatal-micronutrient-supplementation-improve-children-s-cognitive-function-evidence-from-the-follow-up-of-a-double-blind-randomised-controlled-trial-in-nepal
#17
Sophiya Dulal, Frédérique Liégeois, David Osrin, Adam Kuczynski, Dharma S Manandhar, Bhim P Shrestha, Aman Sen, Naomi Saville, Delan Devakumar, Audrey Prost
Introduction: Multiple Micronutrient (MMN) supplementation during pregnancy can decrease the proportion of infants born low birth weight and small for gestational age. Supplementation could also enhance children's cognitive function by improving access to key nutrients during fetal brain development and increasing birth weight, especially in areas where undernutrition is common. We tested the hypothesis that children whose mothers received MMN supplementation during pregnancy would have higher intelligence in early adolescence compared with those receiving Iron and Folic Acid (IFA) only...
2018: BMJ Global Health
https://www.readbyqxmd.com/read/29515599/analysis-of-yellow-striped-mutants-of-zea-mays-reveals-novel-loci-contributing-to-iron-deficiency-chlorosis
#18
David Chan-Rodriguez, Elsbeth L Walker
The micronutrient iron (Fe) is essential for photosynthesis, respiration, and many other processes, but it is only sparingly soluble in aqueous solution, making adequate acquisition by plants a serious challenge. Fe is a limiting factor for plant growth on approximately 30% of the world's arable lands. Moreover, Fe deficiency in humans is a global health issue, affecting 1.62 billion people, or about 25% of the world's population. It is imperative that we gain a better understanding of the mechanisms that plants use to regulate iron homeostasis, since these will be important targets for future biofortification and crop improvement strategies...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29514873/multiplex-genomewide-association-analysis-of-breast-milk-fatty-acid-composition-extends-the-phenotypic-association-and-potential-selection-of-fads1-variants-to-arachidonic-acid-a-critical-infant-micronutrient
#19
Josyf C Mychaleckyj, Uma Nayak, E Ross Colgate, Dadong Zhang, Tommy Carstensen, Shahnawaz Ahmed, Tahmeed Ahmed, Alexander J Mentzer, Masud Alam, Beth D Kirkpatrick, Rashidul Haque, Abu Syed Golam Faruque, William A Petri
BACKGROUND: Breast milk is the sole nutrition source during exclusive breastfeeding, and polyunsaturated fatty acids (FAs) are critical micronutrients in infant physical and cognitive development. There has been no prior genomewide association study of breast milk, hence our objective was to test for genetic association with breast milk FA composition. METHODS: We measured the fractional composition of 26 individual FAs in breast milk samples from three cohorts totalling 1142 Bangladeshi mothers whose infants were genotyped on the Illumina MEGA chip and replicated on a custom Affymetrix 30K SNP array (n=616)...
March 7, 2018: Journal of Medical Genetics
https://www.readbyqxmd.com/read/29509798/preparation-and-purification-of-organic-samples-for-selenium-isotope-studies
#20
Helena Banning, Monika Stelling, Stephan König, Ronny Schoenberg, Thomas Neumann
Selenium (Se) is an important micronutrient but also a strong toxin with a narrow tolerance range for many organisms. As such, a globally heterogeneous Se distribution in soils is responsible for various disease patterns (i.e. Se excess and deficiency) and environmental problems, whereby plants play a key role for the Se entrance into the biosphere. Selenium isotope variations were proved to be a powerful tracer for redox processes and are therefore promising for the exploration of the species dependent Se metabolism in plants and the Se cycling within the Critical Zone...
2018: PloS One
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