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https://www.readbyqxmd.com/read/28317774/development-of-an-up-grading-process-to-produce-mlm-structured-lipids-from-sardine-discards
#1
R Morales-Medina, M Munio, A Guadix, E M Guadix
The aim of the work was to produce MLM structured lipids with caprylic acid (M) as medium chain fatty acid located at the external bonds of the glycerol backbone and concentrated polyunsaturated fatty acids (L) from sardine discards (Sardine pilchardus) in the central bond of the glycerol. To that end, the following steps were conducted: (i) fish oil extraction, (ii) Omega-3 free fatty acids (FFA) concentration (low temperature winterization), (iii) two-steps enzymatic esterification and (iv) triacylglycerols (TAG) purification (liquid column chromatography)...
August 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28316988/bioengineered-plants-can-be-a-useful-source-of-omega-3-fatty-acids
#2
REVIEW
Waleed Amjad Khan, Hu Chun-Mei, Nadeem Khan, Amjad Iqbal, Shan-Wu Lyu, Farooq Shah
Omega-3 fatty acids have proven to be very essential for human health due to their multiple health benefits. These essential fatty acids (EFAs) need to be uptaken through diet because they are unable to be produced by the human body. These are important for skin and hair growth as well as for proper visual, neural, and reproductive functions of the body. These fatty acids are proven to be extremely vital for normal tissue development during pregnancy and infancy. Omega-3 fatty acids can be obtained mainly from two dietary sources: marine and plant oils...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28314615/distinguishing-globally-driven-changes-from-regional-and-local-scale-impacts-the-case-for-long-term-and-broad-scale-studies-of-recovery-from-pollution
#3
S J Hawkins, A J Evans, N Mieszkowska, L C Adams, S Bray, M T Burrows, L B Firth, M J Genner, K M Y Leung, P J Moore, K Pack, H Schuster, D W Sims, M Whittington, E C Southward
Marine ecosystems are subject to anthropogenic change at global, regional and local scales. Global drivers interact with regional- and local-scale impacts of both a chronic and acute nature. Natural fluctuations and those driven by climate change need to be understood to diagnose local- and regional-scale impacts, and to inform assessments of recovery. Three case studies are used to illustrate the need for long-term studies: (i) separation of the influence of fishing pressure from climate change on bottom fish in the English Channel; (ii) recovery of rocky shore assemblages from the Torrey Canyon oil spill in the southwest of England; (iii) interaction of climate change and chronic Tributyltin pollution affecting recovery of rocky shore populations following the Torrey Canyon oil spill...
March 14, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28302406/docosahexaenoic-acid-in-the-treatment-of-rheumatoid-arthritis-a%C3%A2-double-blind-placebo-controlled-randomized-cross-over-study-with-microalgae-vs-sunflower-oil
#4
C Dawczynski, M Dittrich, T Neumann, K Goetze, A Welzel, P Oelzner, S Völker, A M Schaible, F Troisi, L Thomas, S Pace, A Koeberle, O Werz, P Schlattmann, S Lorkowski, G Jahreis
The potential of fish or fish oil as supplier for eicosapentaenoic acid (EPA, C20:5n3) and docosahexaenoic acid (DHA, C22:6n3) for reducing cardiovascular risk factors and supporting therapy of chronic inflammatory diseases, has been investigated intensively, but our knowledge about the physiological effects of the individual compounds EPA and DHA are limited. STUDY DESIGN: In this double-blind pilot study, thirty-eight patients with defined RA were allocated to consume foods enriched with microalgae oil from Schizochytrium sp...
March 6, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28296895/evaluating-signals-of-oil-spill-impacts-climate-and-species-interactions-in-pacific-herring-and-pacific-salmon-populations-in-prince-william-sound-and-copper-river-alaska
#5
Eric J Ward, Milo Adkison, Jessica Couture, Sherri C Dressel, Michael A Litzow, Steve Moffitt, Tammy Hoem Neher, John Trochta, Rich Brenner
The Exxon Valdez oil spill occurred in March 1989 in Prince William Sound, Alaska, and was one of the worst environmental disasters on record in the United States. Despite long-term data collection over the nearly three decades since the spill, tremendous uncertainty remains as to how significantly the spill affected fishery resources. Pacific herring (Clupea pallasii) and some wild Pacific salmon populations (Oncorhynchus spp.) in Prince William Sound declined in the early 1990s, and have not returned to the population sizes observed in the 1980s...
2017: PloS One
https://www.readbyqxmd.com/read/28295044/novel-transcriptome-assembly-and-comparative-toxicity-pathway-analysis-in-mahi-mahi-coryphaena-hippurus-embryos-and-larvae-exposed-to-deepwater-horizon-oil
#6
Elvis Genbo Xu, Edward M Mager, Martin Grosell, E Starr Hazard, Gary Hardiman, Daniel Schlenk
The impacts of Deepwater Horizon (DWH) oil on morphology and function during embryonic development have been documented for a number of fish species, including the economically and ecologically important pelagic species, mahi-mahi (Coryphaena hippurus). However, further investigations on molecular events and pathways responsible for developmental toxicity have been largely restricted due to the limited molecular data available for this species. We sought to establish the de novo transcriptomic database from the embryos and larvae of mahi-mahi exposed to water accommodated fractions (HEWAFs) of two DWH oil types (weathered and source oil), in an effort to advance our understanding of the molecular aspects involved during specific toxicity responses...
March 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28291869/neuroprotective-effects-of-omega-3-polyunsaturated-fatty-acids-in-a-rat-model-of-anterior-ischemic-optic-neuropathy
#7
Tassos Georgiou, Yao-Tseng Wen, Chung-Hsing Chang, Panagiotis Kolovos, Maria Kalogerou, Ekatherine Prokopiou, Anastasia Neokleous, Chin-Te Huang, Rong-Kung Tsai
Purpose: The purpose of this study was to investigate the therapeutic effect of omega-3 polyunsaturated fatty acid (ω-3 PUFA) administration in a rat model of anterior ischemic optic neuropathy (rAION). Methods: The level of blood arachidonic acid/eicosapentaenoic acid (AA/EPA) was measured to determine the suggested dosage. The rAION-induced rats were administered fish oil (1 g/day EPA) or phosphate-buffered saline (PBS) by daily gavage for 10 consecutive days to evaluate the neuroprotective effects...
March 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28291551/marine-n-3-polyunsaturated-fatty-acids-affect-the-blood-pressure-control-in-patients-with-newly-diagnosed-hypertension-a-1-year-follow-up-study
#8
Carina N Bagge, Charlotte Strandhave, Charlotte M Skov, My Svensson, Erik B Schmidt, Jeppe H Christensen
Marine long-chained n-3 polyunsaturated fatty acids (PUFA) are recognized for their cardio-protective effects, including potential lowering of blood pressure. We hypothesized that higher habitual fish intake and n-3 PUFA plasma levels were associated with lower blood pressure and being less likely to receive antihypertensive medication after one-year follow-up. In this prospective study of 115 patients, we assessed 24 h ambulatory and central blood pressure, plasma phospholipid fatty acid composition using gas chromatography and participants completed a food frequency questionnaire, including fish-eating habits...
February 28, 2017: Nutrition Research
https://www.readbyqxmd.com/read/28290259/synergistic-attenuation-of-ovariectomy-induced-bone-loss-by-combined-use-of-fish-oil-and-17%C3%AE-oestradiol
#9
Youri Jin, Myoungsook Lee, Yongsoon Park
Oestrogen and n-3 PUFA, especially EPA and DHA, have been reported to have beneficial effects on bone loss. Thus, the purpose of the present study was to investigate the synergistic bone-protective mechanism of combined treatments of EPA+DHA supplementation and oestrogen injection in ovariectomised rats. Rats were fed a modified American Institute of Nutrition-93G diet with 0 %, 1 % or 2 % n-3 PUFA (EPA+DHA) relative to the total energy intake for 12 weeks. Rats were surgically ovariectomised at week 8, and after a 1-week recovery period rats were injected with either 17β-oestradiol-3-benzoate (E2) or maize oil for the last 3 weeks...
March 14, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28289069/omega-3-polyunsaturated-fatty-acid-fish-oil-supplementation-and-the-prevention-of-clinical-cardiovascular-disease-a-science-advisory-from-the-american-heart-association
#10
REVIEW
David S Siscovick, Thomas A Barringer, Amanda M Fretts, Jason H Y Wu, Alice H Lichtenstein, Rebecca B Costello, Penny M Kris-Etherton, Terry A Jacobson, Mary B Engler, Heather M Alger, Lawrence J Appel, Dariush Mozaffarian
Multiple randomized controlled trials (RCTs) have assessed the effects of supplementation with eicosapentaenoic acid plus docosahexaenoic acid (omega-3 polyunsaturated fatty acids, commonly called fish oils) on the occurrence of clinical cardiovascular diseases. Although the effects of supplementation for the primary prevention of clinical cardiovascular events in the general population have not been examined, RCTs have assessed the role of supplementation in secondary prevention among patients with diabetes mellitus and prediabetes, patients at high risk of cardiovascular disease, and those with prevalent coronary heart disease...
March 13, 2017: Circulation
https://www.readbyqxmd.com/read/28288429/human-health-risk-assessment-of-ddts-and-hchs-through-dietary-exposure-in-nanjing-china
#11
Qianqian Zhang, Zhonghuan Xia, Minmin Wu, Liping Wang, Hao Yang
In a market based study in Nanjing, a typical southeast city in China, the most common consumed 23 kinds of foods from eleven different categories (vegetable, fruit, fish, pork, livestock meat, chicken, egg, milk, oil, rice and flour) were sampled in November 2015. The concentrations of DDTs and HCHs in foods were analyzed using gas chromatography with mass spectrometer detector. The residual amounts of DDTs and HCHs in foods were 0.95-3.53 ng g(-1) and 0.32-1.96 ng g(-1), respectively. The highest residual of ∑10OCPs was 4...
March 6, 2017: Chemosphere
https://www.readbyqxmd.com/read/28284945/fish-oil-prevents-rodent-anxious-states-comorbid-with-diabetes-a-putative-involvement-of-nitric-oxide-modulation
#12
Isadora Pozzetti Siba, Mariza Bortolanza, Maria Aparecida Barbato Frazão Vital, Roberto Andreatini, Joice Maria da Cunha, Elaine Aparecida Del Bel, Janaína Menezes Zanoveli
There is an urgent need to understand the pathophysiological mechanisms related to anxiety associated with diabetes, seeking more effective alternative treatments to treat it. For that, the effect of a preventive and prolonged treatment with fish oil (FO), a source of omega-3 polyunsaturated fatty acid, was tested in streptozotocin-diabetic (DBT) rats submitted to the anxiety tests. Additionally, an immunohistochemistry for neuronal NO synthase (nNOS) was performed in brain areas related to anxiety, such as lateral amygdala (AMY), hippocampus (HIP) and dorsolateral periaqueductal gray (dlPAG)...
March 8, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28282585/improvement-of-cardiometabolic-markers-after-fish-oil-intervention-in-young-mexican-adults-and-the-role-of-ppar%C3%AE-l162v-and-ppar%C3%AE-2-p12a
#13
Aristea Binia, Carolina Vargas-Martínez, Mónica Ancira-Moreno, Laura M Gosoniu, Ivan Montoliu, Elí Gámez-Valdez, Diana C Soria-Contreras, Adriana Angeles-Quezada, Rocío Gonzalez-Alberto, Silvia Fernández, Diego Martínez-Conde, Brianda Hernández-Morán, Marisol Ramírez-Solano, Carlos Pérez-Ortega, Yanelli Rodríguez-Carmona, Isabelle Castan, Isabel Rubio-Aliaga, Felipe Vadillo-Ortega, Ricardo Márquez-Velasco, Rafael Bojalil, Juan Carlos López-Alvarenga, Philippe Valet, Martin Kussmann, Irma Silva-Zolezzi, M Elizabeth Tejero
Polyunsaturated fatty acids (PUFA) contained in fish oil (FO) are ligands for peroxisome proliferator-activated receptors (PPAR) that may induce changes in cardiometabolic markers. Variation in PPAR genes may influence the beneficial responses linked to FO supplementation in young adults. The study aimed to analyze the effect of FO supplementation on glucose metabolism, circulating lipids and inflammation according to PPARα L162V and PPARγ2 P12A genotypes in young Mexican adults. 191 young, non-smoking subjects between 18 and 40 years were included in a one-arm study...
February 10, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28280951/effects-of-dietary-n-3-fatty-acids-on-toll-like-receptor-activation-in-primary-leucocytes-from-atlantic-salmon-salmo-salar
#14
Marianne Arnemo, Arturas Kavaliauskis, Adriana Magalhaes Santos Andresen, Marta Bou, Gerd Marit Berge, Bente Ruyter, Tor Gjøen
The shortage of the n-3 fatty acids eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) on the international markets has led to increasing substitution of fish oil by plant oils in Atlantic salmon (Salmo salar) feed and thereby reducing the EPA and DHA content in salmon. However, the minimum required levels of these fatty acids in fish diets for securing fish health are unknown. Fish were fed with 0, 1 or 2% EPA or DHA alone or in combination of both over a period, growing from 50 to 400 g. Primary head kidney leucocytes were isolated and stimulated with Toll-like receptor (TLR) ligands to determine if EPA and DHA deficiency can affect expression of important immune genes and eicosanoid production...
March 9, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28276521/a-randomized-trial-and-novel-spr-technique-identifies-altered-lipoprotein-ldl-receptor-binding-as-a-mechanism-underlying-elevated-ldl-cholesterol-in-apoe4s
#15
M V Calabuig-Navarro, K G Jackson, C F Kemp, D S Leake, C M Walden, J A Lovegrove, A M Minihane
At a population level APOE4 carriers (~25% Caucasians) are at higher risk of cardiovascular diseases. The penetrance of genotype is however variable and influenced by dietary fat composition, with the APOE4 allele associated with greater LDL-cholesterol elevation in response to saturated fatty acids (SFA). The etiology of this greater responsiveness is unknown. Here a novel surface plasmon resonance technique (SPR) is developed and used, along with hepatocyte (with the liver being the main organ modulating lipoprotein metabolism and plasma lipid levels) uptake studies to establish the impact of dietary fatty acid composition on, lipoprotein-LDL receptor (LDLR) binding, and hepatocyte uptake, according to APOE genotype status...
March 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28276272/gut-brain-and-brain-gut-axis-in-parkinson-s-disease-models-effects-of-a-uridine-and-fish-oil-diet
#16
Paula Perez-Pardo, Hemraj B Dodiya, Laus M Broersen, Hidde Douna, Nick van Wijk, Sofia Lopes da Silva, Johan Garssen, Ali Keshavarzian, Aletta D Kraneveld
Recent investigations have focused on the potential role of gastrointestinal (GI) abnormalities in the pathogenesis of Parkinson's disease (PD). The 'dual-hit' hypothesis of PD speculates that a putative pathogen enters the brain via two routes: the olfactory system and the GI system. Here, we investigated (1) whether local exposures of the neurotoxin rotenone in the gut or the brain of mice could induce PD-like neurological and GI phenotypes as well as a characteristic neuropathology in accordance with this 'dual-hit hypothesis' and (2) the effects of a diet containing uridine and fish oil providing docosahexaenoic acid (DHA), in both models...
March 9, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28275099/the-mediterranean-diet-score-is-more-strongly-associated-with-favorable-cardiometabolic-risk-factors-over-2-years-than-other-diet-quality-indexes-in-puerto-rican-adults
#17
Josiemer Mattei, Mercedes Sotos-Prieto, Sherman J Bigornia, Sabrina E Noel, Katherine L Tucker
Background: Multiple diet quality scores have been used to evaluate adherence to specific dietary recommendations or to consumption of healthful foods and nutrients. It remains unknown which score can more strongly predict longitudinal changes in cardiometabolic risk factors.Objective: We aimed to determine associations of 5 diet quality scores [AHA diet score (AHA-DS), Dietary Approaches to Stop Hypertension (DASH), Healthy Eating Index (HEI)-2005, Mediterranean diet score (MeDS), and Alternative Healthy Eating Index (AHEI)] with 2-y changes in cardiometabolic risk factors in adults 45-75 y old...
March 8, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28273853/changes-in-brain-monoamines-underlie-behavioural-disruptions-after-zebrafish-diet-exposure-to-polycyclic-aromatic-hydrocarbons-environmental-mixtures
#18
Caroline Vignet, Verena M Trenkel, Annick Vouillarmet, Giampiero Bricca, Marie-Laure Bégout, Xavier Cousin
Zebrafish were exposed through diet to two environmentally relevant polycyclic aromatic hydrocarbons (PAHs) mixtures of contrasted compositions, one of pyrolytic (PY) origin and one from light crude oil (LO). Monoamine concentrations were quantified in the brains of the fish after six month of exposure. A significant decrease in noradrenaline (NA) was observed in fish exposed to both mixtures, while a decrease in serotonin (5HT) and dopamine (DA) was observed only in LO-exposed fish. A decrease in metabolites of 5HT and DA was observed in fish exposed to both mixtures...
March 4, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28267037/intravenous-lipid-emulsions-in-pediatric-patients-with-intestinal-failure
#19
Olivier Goulet, Cécile Lambe
The incidence of cholestatic liver disease (CLD) in pediatric patients suffering intestinal failure (IF) is not well established. Due to persistent portal inflammation, about 20% of these patients will progress to end-stage intestinal failure associated liver disease (IFALD) leading to liver transplant or death. PURPOSE OF REVIEW: Premature babies as well as infants with short bowel syndrome (SBS) and repeated sepsis (catheter or small intestinal bacterial overgrowth related) are at risk of developing CLD...
April 2017: Current Opinion in Organ Transplantation
https://www.readbyqxmd.com/read/28260647/a-lipidomic-study-on-the-regulation-of-inflammation-and-oxidative-stress-targeted-by-marine-%C3%AF-3-pufa-and-polyphenols-in-high-fat-high-sucrose-diets
#20
Gabriel Dasilva, Manuel Pazos, Eduardo García-Egido, José M Gallardo, Sara Ramos-Romero, Josep Lluís Torres, Marta Romeu, María-Rosa Nogués, Isabel Medina
The ability of polyphenols to ameliorate potential oxidative damage of ω-3 PUFAs when they are consumed together and then, to enhance their potentially individual effects on metabolic health is discussed through the modulation of fatty acids profiling and the production of lipid mediators. For that, the effects of the combined consumption of fish oils and grape seed procyanidins on the inflammatory response and redox unbalance triggered by high-fat high-sucrose (HFHS) diets were studied in an animal model of Wistar rats...
February 21, 2017: Journal of Nutritional Biochemistry
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