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https://www.readbyqxmd.com/read/29343310/effect-of-dietary-fish-oil-on-selected-inflammatory-markers-in-pigs
#1
T Komprda, P Ondráčková, M Vícenová, V Rozíková, N Procházková, L Levá, M Faldyna
The present study tested a hypothesis that dietary fish oil (eicosapentaenoic acid+docosahexaenoic acid) in a commonly achievable dose ameliorates a systemic inflammation in pigs. Two groups of pigs of 16 animals each were fed a diet with either 2.5% of fish oil (F) or a control diet with 2.5% of palm oil (P). After 70 days of fattening, eight F and eight P pigs were challenged (F+; P+) i.v. by lipopolysaccharide. After 3 h, all pigs were sacrificed and blood, liver and visceral adipose tissue (VAT) samples were taken...
January 18, 2018: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29341194/generation-of-red-drum-sciaenops-ocellatus-hematology-reference-intervals-with-a-focus-on-identified-outliers
#2
Kendal E Harr, Kristina Deak, Steven A Murawski, Drury R Reavill, Ryan A Takeshita
BACKGROUND: The Deepwater Horizon (DWH) oil spill in 2010 released millions of barrels of crude oil into the northern Gulf of Mexico, exposing numerous species of animals to the toxic components of oil. A comprehensive assessment of morbidity and mortality caused by DWH oil exposure was undertaken by the DWH Natural Resource Damage Trustees to characterize ecosystem damages. OBJECTIVES: This study aimed to characterize normal hematologic RIs in red drum fish with blood cell descriptions, and to demonstrate the importance of identifying and removing outliers when generating RI...
January 17, 2018: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/29340233/crustacean-amphipods-from-marsh-ponds-a-nutritious-feed-resource-with-potential-for-application-in-integrated-multi-trophic-aquaculture
#3
Pablo Jiménez-Prada, Ismael Hachero-Cruzado, Inmaculada Giráldez, Catalina Fernández-Diaz, César Vilas, José Pedro Cañavate, José Manuel Guerra-García
Coastal protection, nutrient cycling, erosion control, water purification, and carbon sequestration are ecosystem services provided by salt marshes. Additionally, salt ponds offer coastal breeding and a nursery habitat for fishes and they provide abundant invertebrates, such as amphipods, which are potentially useful as a resource in aquaculture. Fishmeal and fish oil are necessary food resources to support aquaculture of carnivorous species due to their omega-3 long-chain polyunsaturated fatty acids (n-3 LC-PUFA)...
2018: PeerJ
https://www.readbyqxmd.com/read/29339813/a-new-group-of-synthetic-phenolic-containing-amphiphilic-molecules-for-multipurpose-applications-physico-chemical-characterization-and-cell-toxicity-study
#4
Sampson Anankanbil, Bianca Pérez, Iva Fernandes, Katarzyna Magdalena Widzisz, Zegao Wang, Nuno Mateus, Zheng Guo
Nine synthetic amphiphilic phenolic lipids, varied in phenolic moiety (caffeoyl/dimethylcaffeoyl) and fatty acid chain lengths (8-18) were characterized by differential scanning calorimetry (DSC), temperature-ramp Fourier transform infra-red spectroscopy (FT-IR) and atomic force microscopy (AFM). FT-IR and DSC results revealed that the physical state and lateral packing of synthetic molecules were largely governed by fatty acyls. The critical micelle concentrations (CMC) of synthetic lipids was in the range of 0...
January 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29335453/engineering-yarrowia-lipolytica-to-simultaneously-produce-lipase-and-single-cell-protein-from-agro-industrial-wastes-for-feed
#5
Jinyong Yan, Bingnan Han, Xiaohua Gui, Guilong Wang, Li Xu, Yunjun Yan, Catherine Madzak, Dujie Pan, Yaofeng Wang, Genhan Zha, Liangcheng Jiao
Lipases are scarcely exploited as feed enzymes in hydrolysis of lipids for increasing energy supply and improving nutrient use efficiency. In this work, we performed homologous overexpression, in vitro characterization and in vivo assessment of a lipase from the yeast Yarrowia lipolytica for feed purpose. Simultaneously, a large amount of yeast cell biomass was produced, for use as single cell protein, a potential protein-rich feed resource. Three kinds of low cost agro-industrial wastes were tested as substrates for simultaneous production of lipase and single cell protein (SCP) as feed additives: sugarcane molasses, waste cooking oil and crude glycerol from biodiesel production...
January 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29329542/relative-validity-of-a-web-based-food-frequency-questionnaire-for-danish-adolescents
#6
Anne A Bjerregaard, Thorhallur I Halldorsson, Freja B Kampmann, Sjurdur F Olsen, Inge Tetens
BACKGROUND: With increased focus on dietary intake among youth and risk of diseases later in life, it is of importance, prior to assessing diet-disease relationships, to examine the validity of the dietary assessment tool. This study's objective was to evaluate the relative validity of a self-administered web-based FFQ among Danish children aged 12 to 15 years. METHODS: From a nested sub-cohort within the Danish National Birth Cohort, 124 adolescents participated...
January 12, 2018: Nutrition Journal
https://www.readbyqxmd.com/read/29329427/ozone-induced-vascular-contractility-and-pulmonary-injury-are-differentially-impacted-by-diets-enriched-with-coconut-oil-fish-oil-and-olive-oil
#7
Samantha J Snow, Wan-Yun Cheng, Andres Henriquez, Myles Hodge, Virgina Bass, Gail M Nelson, Gleta Carswell, Judy E Richards, Mette C Schladweiler, Allen D Ledbetter, Brian Chorley, Kymberly M Gowdy, Haiyan Tong, Urmila P Kodavanti
Fish, olive, and coconut oil dietary supplementation have several cardioprotective benefits, but it is not established if they protect against air pollution-induced adverse effects. We hypothesized that these dietary supplements would attenuate ozone-induced systemic and pulmonary effects. Male Wistar Kyoto rats were fed either a normal diet, or a diet supplemented with fish, olive, or coconut oil for 8 weeks. Animals were then exposed to air or ozone (0.8 ppm), 4h/day for 2 days. Ozone exposure increased phenylephrine-induced aortic vasocontraction, which was completely abolished in rats fed the fish oil diet...
January 10, 2018: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29328808/effective-prevention-of-oxidative-deterioration-of-fish-oil-focus-on-flavor-deterioration
#8
Kazuo Miyashita, Mariko Uemura, Masashi Hosokawa
Docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA), both abundant in fish oil, are known to have significant biochemical and physiological effects primarily linked to the improvement of human health, especially cardiovascular and brain health. However, the incorporation of fish oil into foods and beverages is often challenging, as fish oil is very easily oxidized and can cause undesirable flavors. This review discusses this rapid formation of the fishy and metallic off-flavors, focusing especially on an early stage of fish oil oxidation...
January 12, 2018: Annual Review of Food Science and Technology
https://www.readbyqxmd.com/read/29327928/one-step-bioconversion-of-fatty-acids-into-c8-c9-volatile-aroma-compounds-by-a-multifunctional-lipoxygenase-cloned-from-pyropia-haitanensis
#9
Zhu-Jun Zhu, Hai-Min Chen, Juanjuan Chen, Rui Yang, Xiao-Jun Yan
The multifunctional lipoxygenase PhLOX cloned from Pyropia haitanensis was expressed in E. coli with 24.4 mg•L-1 yield. PhLOX could catalyze the one-step bioconversion of C18-C22 fatty acids into C8-C9 volatile organic compounds (VOCs), displaying higher catalytic efficiency for eicosenoic and docosenoic acids than for octadecenoic acids. C20:5 was the most suitable substrate among the tested fatty acids. The C8-C9 VOCs were generated in good yields from fatty acids, e.g., 2E-nonenal from C20:4, and 2E,6Z-nonadienal from C20:5...
January 12, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29326089/associations-between-markers-of-oxidative-stress-skeletal-muscle-mass-and-function-and-to-the-influence-of-resistance-exercise-training-in-older-adults
#10
Ciriaco Carru, Mariasole Da Boit, Panagiotis Paliogiannis, Angelo Zinellu, Salvatore Sotgia, Rachael Sibson, Judith R Meakin, Richard M Aspden, Arduino A Mangoni, Stuart R Gray
BACKGROUND: Oxidative stress (OS) negatively affects skeletal muscle homeostasis in experimental models of ageing. However, little is known about the associations between circulating OS markers and parameters of muscle mass and function, and their responses to exercise training, in humans. METHODS: Maximal voluntary contraction (MVC, primary outcome) and isokinetic torque of the knee extensors at 30° s-1 (MIT), muscle cross-sectional area (MCSA) and quality (MQ, secondary outcomes), and plasma concentrations of malondialdehyde (MDA, pro-OS), homocysteine (HCY, pro-OS), taurine (TAU, anti-OS), and protein sulphydryl groups (PSH, anti-OS) were measured in 27 healthy older males and 23 females at baseline and after an 18-week resistance exercise program, with or without a nutritional intervention (fish oil vs...
January 8, 2018: Experimental Gerontology
https://www.readbyqxmd.com/read/29323733/photo-induced-toxicity-following-exposure-to-crude-oil-and-ultraviolet-radiation-in-two-australian-fishes
#11
Lauren E Sweet, Andrew T Revill, Joanna Strzelecki, Sharon E Hook, Jeffrey M Morris, Aaron P Roberts
Some polycyclic aromatic hydrocarbons (PAHs), a component of crude oil, are known to cause increased toxicity when organisms are co-exposed with ultraviolet radiation, resulting in photo-induced toxicity. The photodynamic characteristic of some PAHs are of particular concern to places like Australia with high ultraviolet radiation levels. The objective of this study was to characterize the photo-induced toxicity of an Australian Northwest Shelf oil to early life stage yellowtail kingfish (Seriola lalandi) and black bream (Acanthopagrus butcheri)...
January 11, 2018: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/29322545/acute-toxicity-of-corexit-ec9500a-and-assessment-of-dioctyl-sulfosuccinate-as-an-indicator-for-monitoring-four-oil-dispersants-applied-to-diluted-bitumen
#12
Ceara Y MacInnis, Pamela Brunswick, Grace H Park, Craig Buday, Grant Schroeder, Ben Fieldhouse, Carl E Brown, Graham van Aggelen, Dayue Shang
The current study investigated oil dispersant toxicity to fish species typical of the cooler regions of Canada, together with less well documented issues pertaining to oil dispersant monitoring. Corexit EC9500A oil dispersant toxicity was assessed for the fresh water fish species rainbow trout and seawater species coho, chinook, and chum, with a final LC50 acute lethality range between 35.3 mg/L - 59.8 mg/L. The LC50 range was calculated using confirmed 0 h dispersant concentrations that were justified by fish mortality within the first 24 h of exposure and by variability of the dispersant indicator dioctyl sulfosuccinate (DOSS) used to monitor concentration at later time-points...
January 11, 2018: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/29322108/production-of-biodiesel-by-enzymatic-transesterification-of-waste-sardine-oil-and-evaluation-of-its-engine-performance
#13
A Arumugam, V Ponnusami
Waste sardine oil, a byproduct of fish industry, was employed as a low cost feedstock for biodiesel production. It has relatively high free fatty acid (FFA) content (32 mg KOH/g of oil). Lipase enzyme immobilized on activated carbon was used as the catalyst for the transesterification reaction. Process variables viz. reaction temperature, water content and oil to methanol molar ratio were optimized. Optimum methanol to oil molar ratio, water content and temperature were found to be 9:1, 10 v/v% and 30 °C respectively...
December 2017: Heliyon
https://www.readbyqxmd.com/read/29321047/effects-of-concentrated-long-chain-omega-3-polyunsaturated-fatty-acid-supplementation-before-radical-prostatectomy-on-prostate-cancer-proliferation-inflammation-and-quality-of-life-study-protocol-for-a-phase-iib-randomized-double-blind-placebo-controlled-trial
#14
Marie-Hélène Guertin, Karine Robitaille, Jean-François Pelletier, Thierry Duchesne, Pierre Julien, Josée Savard, Isabelle Bairati, Vincent Fradet
BACKGROUND: Prostate cancer is the most commonly diagnosed cancer in north-American men. Few dietary or lifestyle interventions have been tested to prevent prostate cancer progression. Omega-3 fatty acid supplementation represents a promising intervention for prostate cancer patients. The aim of the study is to evaluate the effects of long-chain omega-3 polyunsaturated fatty acids (LCn3), more precisely eicosapentaenoic acid monoacylglyceride (MAG-EPA) supplementation, on prostate cancer proliferation, inflammation mediators and quality of life among men who will undergo radical prostatectomy...
January 10, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29320433/benefits-of-fish-oil-consumption-over-other-sources-of-lipids-on-metabolic-parameters-in-obese-rats
#15
Paula Novato Gondim, Priscila Vieira Rosa, Daniel Okamura, Viviam De Oliveira Silva, Eric Francelino Andrade, Daniel Arrais Biihrer, Luciano José Pereira
This study evaluated the effect of the consumption of different levels and sources of lipids on metabolic parameters of Wistar rats. Animals were fed with high-fat diet (HFD) containing 20% of lard for 12 weeks to cause metabolic obesity. Subsequently, the animals were divided into six groups and were fed diets with lipid concentrations of 5% or 20% of lard (LD), soybean oil (SO) or fish oil (FO), for 4 weeks. Data were submitted to analysis of variance (two-way) followed by Tukey post hoc test (p < 0.05)...
January 10, 2018: Nutrients
https://www.readbyqxmd.com/read/29318622/fish-oil-in-infancy-protects-against-food-allergy-in-iceland-results-from-a-birth-cohort-study
#16
Michael Clausen, Kristjan Jonasson, Thomas Keil, Kirsten Beyer, Sigurveig T Sigurdardottir
BACKGROUND: Consumption of oily fish or fish oil during pregnancy, lactation, and infancy has been linked to a reduction in the development of allergic diseases in childhood. METHODS: In an observational study, Icelandic children (n = 1304) were prospectively followed from birth to 2.5 years with detailed questionnaires administered at birth and at one and two years of age, including questions about fish oil supplementation. Children with suspected food allergy were invited for physical examinations, allergic sensitization tests, and a double-blind, placebo-controlled food challenge if the allergy testing or clinical history indicated food allergy...
January 10, 2018: Allergy
https://www.readbyqxmd.com/read/29316985/cognitive-enhancement-in-old-dogs-from-dietary-supplementation-with-a-nutrient-blend-containing-arginine-antioxidants-b-vitamins-and-fish-oil
#17
Yuanlong Pan, Adam D Kennedy, Thomas J Jönsson, Nortan W Milgram
This study focused on the hypothesis that cognitive decline in aged dogs could be attenuated by dietary supplementation with a nutrient blend consisting of antioxidants, B vitamins, fish oil and l-arginine, referred to hereafter as the Brain Protection Blend (BPB). Baseline cognitive assessment before the start of treatment was used to establish cognitively equivalent control (10·464+2·33 kg) and treatment (12·118+3·386 kg) groups of aged dogs between 9·1 and 11·5 years of age and with body condition score of 5...
January 10, 2018: British Journal of Nutrition
https://www.readbyqxmd.com/read/29306619/comparative-study-between-conventional-fasting-versus-overnight-infusion-of-lipid-or-carbohydrate-on-insulin-and-free-fatty-acids-in-obese-patients-undergoing-elective-on-pump-coronary-artery-bypass-grafting-a-prospective-randomized-trial
#18
Hisham Hosny, Mohamed Ibrahim, Wael El-Siory, Amr Abdel-Monem
OBJECTIVES: Postoperative insulin resistance represents a major component of postoperative metabolic disorder. The authors compared the effects of preoperative infusion of lipid emulsion or carbohydrate to conventional preoperative fasting on postoperative insulin and free fatty acid (FFA) levels. DESIGN: A prospective randomized double-blinded study. SETTINGS: Tertiary university hospital. PARTICIPANTS: Sixty-three patients undergoing coronary artery bypass grafting...
November 24, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29306078/effect-of-fish-oil-on-agonist-induced-receptor-internalization-of-the-pg-f2%C3%AE-receptor-and-cell-signaling-in-bovine-luteal-cells-in%C3%A2-vitro
#19
M R Plewes, P D Burns
Many receptors span the plasma membrane allowing for signal transduction, converting extracellular signals into intracellular signals. Following ligand-induced activation, membrane-bound receptors are taken into endocytic vesicles, where they are targeted for degradation or recycled back to the plasma membrane. The objectives of the present study were to determine the influence of fish oil on (1) PGF2α-induced receptor internalization and trafficking of the PGF2α (FP) receptor, (2) cytoskeletal structural integrity, and (3) PGF2α-induced mitogen-activated protein kinase (MAPK) signaling in bovine luteal cells...
December 12, 2017: Domestic Animal Endocrinology
https://www.readbyqxmd.com/read/29305832/all-n-3-pufa-are-not-the-same-md-simulations-reveal-differences-in-membrane-organization-for-epa-dha-and-dpa
#20
Xiaoling Leng, Jacob J Kinnun, Andres T Cavazos, Samuel W Canner, Saame Raza Shaikh, Scott E Feller, Stephen R Wassall
Eicosapentaenoic (EPA, 20:5), docosahexaenoic (DHA, 22:6) and docosapentaenoic (DPA, 22:5) acids are omega-3 polyunsaturated fatty acids (n-3 PUFA) obtained from dietary consumption of fish oils that potentially alleviate the symptoms of a range of chronic diseases. We focus here on the plasma membrane as a site of action and investigate how they affect molecular organization when taken up into a phospholipid. All atom MD simulations were performed to compare 1-stearoyl-2-eicosapentaenoylphosphatylcholine (EPA-PC, 18:0-20:5PC), 1-stearoyl-2-docosahexaenoylphosphatylcholine (DHA-PC, 18:0-22:6PC), 1-stearoyl-2-docosapentaenoylphosphatylcholine (DPA-PC, 18:0-22:5PC) and, as a monounsaturated control, 1-stearoyl-2-oleoylphosphatidylcholine (OA-PC, 18:0-18:1PC) bilayers...
January 3, 2018: Biochimica et Biophysica Acta
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