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https://www.readbyqxmd.com/read/29687265/inadequate-daily-intakes-of-n-3-polyunsaturated-fatty-acids-pufa-in-the-general-french-population-of-children-3-10-years-and-adolescents-11-17-years-the-inca2-survey
#1
Philippe Guesnet, Jessica Tressou, Benjamin Buaud, Noëmie Simon, Stéphane Pasteau
PURPOSE: This paper deals with the dietary daily intakes of main polyunsaturated fatty acids (PUFA) in French children and adolescents. METHODS: Dietary intakes of main PUFA were determined from a general French population of 1500 children (3-10 years) and adolescents (11-17 years) by using the most recent set of national robust data on food (National Survey INCA 2 performed in 2006 and 2007). RESULTS: Main results showed that mean daily intakes of total fat and n-6 PUFA linoleic acid (LA, 18:2n-6) were close to current recommended values for children and adolescent populations...
April 23, 2018: European Journal of Nutrition
https://www.readbyqxmd.com/read/29685707/supplemental-flaxseed-modulates-ovarian-functions-of-weanling-gilts-via-the-action-of-selected-fatty-acids
#2
Radoslava Vlčková, Zuzana Andrejčáková, Drahomíra Sopková, Zdenka Hertelyová, Katarzyna Kozioł, Marek Koziorowski, Soňa Gancarčíková
The aim of this study was to examine the influence of dietary flaxseed on the endocrine and ovarian functions of weanling gilts challenged with E. coli and Coronavirus infections treated with dietary probiotic cheeses and to understand the possible mechanisms of its effects on ovarian function. Probiotics were used as a natural substitution for antibiotics and 10% dietary flaxseed is an effective prebiotic which supports the action of probiotics and has other beneficial effects on the organism. Probiotics with or without flaxseed were fed to weanling gilts starting 10 days before and lasting up until 14 days after weaning...
April 18, 2018: Animal Reproduction Science
https://www.readbyqxmd.com/read/29683520/development-of-green-extraction-processes-for-nannochloropsis-gaditana-biomass-valorization
#3
Andrea Del Pilar Sánchez-Camargo, Natalia Pleite, José Antonio Mendiola, Alejandro Cifuentes, Miguel Herrero, Bienvenida Gilbert-López, Elena Ibáñez
In the present work, the valorization of Nannochloropsis gaditana biomass is proposed within the concept of biorefinery. To this aim, high-pressure homogenization (HPH) was used to break down the strong cell wall and supercritical fluid extraction (SFE) with pure CO2 was applied as a first step to extract valuable compounds (such as non-polar lipids and pigments). Extraction of the remaining residue for the recovery of bioactive compounds was studied by means of an experimental design based on response surface methodology (RSM) employing pressurized liquid extraction (PLE) with green solvents such as water and ethanol...
April 23, 2018: Electrophoresis
https://www.readbyqxmd.com/read/29683130/an-inventory-of-continental-u-s-terrestrial-candidate-ecological-restoration-areas-based-on-landscape-context
#4
James Wickham, Kurt Riitters, Peter Vogt, Jennifer Costanza, Anne Neale
Landscape context is an important factor in restoration ecology, but the use of landscape context for site prioritization has not been as fully developed. We used morphological image processing to identify candidate ecological restoration areas based on their proximity to existing natural vegetation. We identified 1,102,720 candidate ecological restoration areas across the continental United States. Candidate ecological restoration areas were concentrated in the Great Plains and eastern United States. We populated the database of candidate ecological restoration areas with 17 attributes related to site content and context, including factors such as soil fertility and roads (site content), and number and area of potentially conjoined vegetated regions (site context) to facilitate its use for site prioritization...
November 2017: Restoration ecology
https://www.readbyqxmd.com/read/29682114/infrainguinal-lesion-of-peripheral-artery-disease-and-levels-of-%C3%AF-3-polyunsaturated-fatty-acids-in-peripheral-artery-disease
#5
Tomoaki Iwasaki, Toshiya Nishibe, Yumiko Ohya, Shigeru Inoue, Hitoshi Ogino
Background : Recently, reduced serum levels of ω-3 polyunsaturated fatty acids (PUFAs) including docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA), have been focused upon as newly recognized risk factors for peripheral artery disease (PAD). The present study investigated the association between disease location and serum levels of ω-3 PUFAs in patients with PAD. Methods : We retrospectively analyzed the data of patients at Tokyo Medical University between August 2011 and November 2015. The subjects included 98 patients who were categorized into two groups: those with (n=72) and without infrainguinal lesions (n=26)...
March 25, 2018: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29681646/full-scale-drinking-water-system-decontamination-at-the-water-security-test-bed
#6
Jeffrey Szabo, John Hall, Steve Reese, Jim Goodrich, Sri Panguluri, Greg Meiners, Hiba Ernst
The EPA's Water Security Test Bed (WSTB) facility is a full-scale representation of a drinking water distribution system. In collaboration with the Idaho National Laboratory (INL), EPA designed the WSTB facility to support full-scale evaluations of water infrastructure decontamination, real-time sensors, mobile water treatment systems, and decontamination of premise plumbing and appliances. The EPA research focused on decontamination of 1) Bacillus globigii (BG) spores, a non-pathogenic surrogate for Bacillus anthracis and 2) Bakken crude oil...
March 20, 2018: Journal—American Water Works Association
https://www.readbyqxmd.com/read/29679939/semi-volatile-organic-compounds-in-the-snow-of-russian-arctic-islands-archipelago-novaya-zemlya
#7
A T Lebedev, D M Mazur, O V Polyakova, D S Kosyakov, A Yu Kozhevnikov, T B Latkin, I Andreeva Yu, V B Artaev
Environmental contamination of the Arctic has widely been used as a worldwide pollution marker. Various classes of organic pollutants such as pesticides, personal care products, PAHs, flame retardants, biomass burning markers, and many others emerging contaminants have been regularly detected in Arctic samples. Although numerous papers have been published reporting data from the Canadian, Danish, and Norwegian Arctic regions, the environmental situation in Russian Arctic remains mostly underreported. Snow analysis is known to be used for monitoring air pollution in the regions with cold climate in both short-term and long-term studies...
April 18, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29679529/influence-of-human-milk-and-parenteral-lipid-emulsions-on-serum-fatty-acid-profiles-in-extremely-preterm-infants
#8
Anders K Nilsson, Chatarina Löfqvist, Svetlana Najm, Gunnel Hellgren, Karin Sävman, Mats X Andersson, Lois E H Smith, Ann Hellström
BACKGROUND: Infants born prematurely are at risk of a deficiency in ω-6 and ω-3 long-chain polyunsaturated fatty acids (LC-PUFAs) arachidonic acid (AA) and docosahexaenoic acid (DHA). We investigated how fatty acids from breast milk and parenteral lipid emulsions shape serum LC-PUFA profiles in extremely preterm infants during early perinatal life. METHODS: Ninety infants born < 28 weeks gestational age were randomized to receive parenteral lipids with or without the ω-3 LC-PUFAs eicosapentaenoic acid (EPA) and DHA (SMOFlipid: Fresenius Kabi, Uppsala, Sweden, or Clinoleic: Baxter Medical AB, Kista, Sweden, respectively)...
April 21, 2018: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29674244/a-green-chemometrics-assisted-fluorimetric-detection-method-for-the-direct-and-simultaneous-determination-of-six-polycyclic-aromatic-hydrocarbons-in-oil-field-wastewaters
#9
Hui-Wen Gu, Shan-Hui Zhang, Bai-Chun Wu, Wu Chen, Jing-Bo Wang, Yang Liu
Oil-field wastewaters contain high level of polycyclic aromatic hydrocarbons (PAHs), which have to be analyzed to assess the environmental effects before discharge. In this work, a green fluorimetric detection method that combines excitation-emission matrix (EEM) fluorescence with parallel factor analysis (PARAFAC) algorithm was firstly developed to achieve the direct and simultaneous determination of six U.S. EPA PAHs in two different kinds of complex oil-field wastewaters. Due to the distinctive "second-order advantage", neither time-consuming sample pretreatments nor toxic organic reagents were involved in the determination...
April 10, 2018: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29674079/a-comparison-study-on-the-use-of-dowex-1-and-teva-resin-in-determination-of-99-tc-in-environmental-and-nuclear-coolant-samples-in-a-sia-system-with-icp-ms-detection
#10
Kamila Kołacińska, Zbigniew Samczyński, Jakub Dudek, Anna Bojanowska-Czajka, Marek Trojanowicz
This work refers to a comparative study of sorbents widely used in determinations of 99 Tc such as TEVA resin and Dowex 1. Despite having a similar functional group of quaternary amines, both materials represent different chromatographic methods-extraction (TEVA resin) and anion exchange (Dowex 1)-which provides a diverse range of their properties significant in determination of 99 Tc in flow conditions. The comparative tests, carried out in a SIA-LOV (Sequential Injection Analysis-Lab-on-Valve) system combined with mass spectrometric (ICP-MS) detection, considered several factors that are crucial from the standpoint of resin´s utility such as sorption capacity, durability, or selectivity, critical in 99 Tc separation from interferences...
July 1, 2018: Talanta
https://www.readbyqxmd.com/read/29673104/omega-3-polyunsaturated-fatty-acid-supplementation-reduces-blood-pressure-but-not-renal-vasoconstrictor-response-to-orthostatic-stress-in-healthy-older-adults
#11
Christine M Clark, Kevin D Monahan, Rachel C Drew
Older adults exhibit augmented renal vasoconstriction during orthostatic stress compared to young adults. Consumption of omega-3 polyunsaturated fatty acids, such as eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) found in fish oil (FO), modulates autonomic nerve activity. However, the effect of omega-3 polyunsaturated fatty acid consumption on the renal vasoconstrictor response to orthostatic stress in young and older adults is unknown. Therefore, 10 young (25 ± 1 years; mean ± SEM) and 10 older (66 ± 2 years) healthy adults ingested 4 g FO daily for 12 weeks, and underwent graded lower body negative pressure (LBNP; -15 and -30 mmHg) pre- and post-FO supplementation...
April 2018: Physiological Reports
https://www.readbyqxmd.com/read/29672238/long-term-meteorologically-independent-trend-analysis-of-ozone-air-quality-at-an-urban-site-in-the-greater-houston-area
#12
Venkata S V Botlaguduru, Raghava R Kommalapati, Ziaul Huque
The Houston-Galveston-Brazoria (HGB) area of Texas has a history of ozone exceedances and is currently classified under moderate nonattainment status for the 2008 8-hr ozone standard of 75 ppb. The HGB area is characterized by intense solar radiation, high temperature, and humidity, which influence day-to-day variations in ozone concentrations. Long-term air quality trends independent of meteorological influence need to be constructed for ascertaining the effectiveness of air quality management in this area...
April 19, 2018: Journal of the Air & Waste Management Association
https://www.readbyqxmd.com/read/29672133/meat-eggs-full-fat-dairy-and-nutritional-boogeymen-does-the-way-in-which-animals-are-raised-affect-health-differently-in-humans
#13
Christopher P Haskins, George Henderson, Colin E Champ
BACKGROUND:  Food recommendations to improve cancer prevention are generally based on epidemiologic data and remain inconsistent. These epidemiologic studies, while controversial, have generally produced results that caution against the consumption of high-fat foods, including eggs, red meat, and full-fat dairy, such as butter and cheese. Yet, limited data exist assessing the quality of individual sources of these foods and the effect each has after its consumption. This study set out to assess the impact sources of food within the same groups from animals raised differently on variables associated with health in human studies...
April 19, 2018: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/29672038/short-total-synthesis-of-15n5-cylindrospermopsins-from-15nh4cl-enables-precise-quantification-of-freshwater-cyanobacterial-contamination
#14
Artur K Mailyan, Joanna L Chen, Weiwei Li, Arturo A Keller, Shawn Sternisha, Brian G Miller, Armen Zakarian
Fresh water cyanobacterial algal blooms represent a major health risk because these organisms produce cylindrospermopsin, a toxic, structurally complex, zwitterionic uracil-guanidine alkaloid recognized by the EPA as a dangerous drinking water contaminant. At present, the ability to detect and quantify the presence of cylindrospermospin in water samples is severely hampered by the lack of an isotopically-labeled standard for analytical mass spectrometry. Herein, we present a concise, scaled total synthesis of 15N cylindrospermosin from 15N ammonium chloride, which leverages a unique stereoselective intramolecular double conjugate addition step to assemble the tricyclic guanidine core...
April 19, 2018: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29671003/effects-of-nitrogen-and-phosphorous-stress-on-the-formation-of-high-value-lc-pufas-in-porphyridium-cruentum
#15
Hao Hu, Hou-Feng Wang, Lin-Lin Ma, Xiao-Fei Shen, Raymond Jianxiong Zeng
This study systematically examined the effect of nitrogen and phosphorous stress on the formation of linoleic acid (LA), arachidonic acid (ARA), and eicosapentaenoic acid (EPA) in Porphyridium cruentum gy-h56. P. cruentum was cultivated in six different media conferring different conditions of nitrogen (N) sufficiency/deprivation and phosphorous (P) sufficiency/limitation/deprivation. Over a 16-day cultivation process, the dry-weight content, proportion of total fatty acids (TFAs), and the concentration in the medium of linoleic acid (LA) were greatly improved by a maximum of 2...
April 18, 2018: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29670910/regiospecific-analysis-of-fatty-acids-and-calculation-of-triglyceride-molecular-species-in-marine-fish-oils
#16
Huijun Zhang, Yingbin Shen, Youwei Zhang, Lirong Li, Xingguo Wang
The regiospecific distribution of fatty acids (FAs) and composition of triglyceride (TAG) molecular species of fishes were analyzed and calculated by pancreatic lipase (PL) hydrolysis and Visual Basic (VB) program. DHA was preferentially located at sn-2 position in TAG molecule, whereas EPA was almost equally distributed in each position of glycerol backbone. DOP, DPP, EPP, PoPP, PPO, and PPP were the predominant TAG species. MPP in anchovy, DDP, DOP, DPP in tuna, and EOO and OOO in salmon were the characteristic TAG molecules, which were meaningful to differentiate marine fish oils...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29665872/maternal-intake-of-omega-3-and-omega-6-polyunsaturated-fatty-acids-during-mid-pregnancy-is-inversely-associated-with-linear-growth
#17
M Al-Hinai, A Baylin, M M Tellez-Rojo, A Cantoral, A Ettinger, M Solano-González, K E Peterson, W Perng
This study investigates relations of maternal N-3 and N-6 polyunsaturated fatty acids (PUFA) intake during pregnancy with offspring body mass index (BMI), height z-score and metabolic risk (fasting glucose, C-peptide, leptin, lipid profile) during peripuberty (8-14 years) among 236 mother-child pairs in Mexico. We used food frequency questionnaire data to quantify trimester-specific intake of N-3 alpha-linolenic acid, eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA); N-6 linoleic acid and arachidonic acid (AA); and N-6:N-3 (AA:EPA+DHA), which accounts for the fact that the two PUFA families have opposing effects on physiology...
April 18, 2018: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/29665637/variability-of-pm10-in-industrialized-urban-areas-new-coefficients-to-establish-significant-differences-between-sampling-points
#18
A B Vicente, P Juan, S Meseguer, C Díaz-Avalos, L Serra
One of the main problems that arise in the assessment of air quality in an area is to estimate the number of representative sampling points of each microenvironment within it. We present a new model that reduces the variability and increases the quality of the comparison of the sampling points. The study is based on the comparison between a city in eastern Spain, Vila-real, a macro city in México, Monterrey and the Piemonte region regarding the assessment of PM10 in microenvironments. Vila-real is located in the province of Castellón...
March 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29665425/omega-3-polyunsaturated-fatty-acids-promotes-angiogenesis-in-placenta-derived-mesenchymal-stromal-cells
#19
Suja Ann Mathew, Ramesh Bhonde
Enhancement of angiogenesis is solicited in wound repair and regeneration. Mesenchymal stromal cells derived from the placenta (P-MSCs) have an inherent angiogenic potential. Polyunsaturated fatty acids (PUFAs) in turn, specifically the omega-3 (N-3) are essential for growth and development. They are also recommended as dietary supplements during pregnancy. We therefore hypothesized that addition of N-3 PUFAs in P-MSC culture media may enhance their angiogenic potential. Hence we treated P-MSCs with omega-3 (N-3) fatty acids -Docosahexaenoic acid (DHA) and Eicosapentaenoic acid (EPA) at different concentrations and tested their angiogenic potential...
April 14, 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29661555/directly-quantified-dietary-n-3-fatty-acid-intakes-of-canadian-toddlers-are-lower-than-current-dietary-recommendations
#20
R J Scott Lacombe, Richard J Kratz, Bruce J Holub
To date, few studies have evaluated the intake of dietary n-3 polyunsaturated fatty acids (PUFA) in young North American children and current estimates are based on indirect approaches which have concerning limitations. Furthermore, there is a lack of available knowledge regarding the proportion of children meeting current dietary recommendations for the consumption of long-chain n-3 PUFA as α-linolenic acid (ALA) and eicosapentaenoic acid (EPA)/docosahexaenoic acid (DHA). The objective of the present study was to directly quantify the intake of n-3 PUFA in toddlers aged 2 to 3 years and determine if intakes met international recommendations...
March 2, 2018: Nutrition Research
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