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fish oil and oxidation

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https://www.readbyqxmd.com/read/28748997/-role-of-mediterranean-diet-on-the-prevention-of-alzheimer-disease
#1
Arnoldo Miranda, Carolina Gómez-Gaete, Sigrid Mennickent
Type 2 diabetes and obesity are possible risk factors for Alzheimer’s disease and these can be modified by physical activity and changes in dietary patterns, such as switching to a Mediterranean diet. This diet includes fruits, vegetables, olive oil, fish and moderate wine intake. These foods provide vitamins, polyphenols and unsaturated fatty acids. This diet should be able to reduce oxidative stress. The inflammatory response is also reduced by unsaturated fatty acids, resulting in a lower expression and a lower production of pro-inflammatory cytokines...
April 2017: Revista Médica de Chile
https://www.readbyqxmd.com/read/28740245/fish-oil-diet-may-reduce-inflammatory-levels-in-the-liver-of-middle-aged-rats
#2
Yingqiu Li, Fan Zhao, Qiayu Wu, Mengjie Li, Yingying Zhu, Shangxin Song, Jing Zhu, Yafang Ma, He Li, Xuebin Shi, Xinglian Xu, Guanghong Zhou, Chunbao Li
The impact of dietary soybean oil, lard and fish oil on physiological responses in middle age is little studied. In this study, we investigated the changes of oxidative stress, inflammatory cytokines, telomere length, and age-related gene expression in the liver of middle-aged rats in response to the above three fat diets. Male Sprague Dawley rats (12 months old) were fed AIN-93M diets for 3 months, in which soybean oil was equivalently replaced by lard or fish oil. As compared to the lard diet, intake of fish oil diet significantly decreased body weight gain, white blood cell count, and levels of hepatic triacylglycerol, total cholesterol, fat accumulation, low-density lipoprotein, oxidative stress and inflammatory cytokines (P < 0...
July 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28734789/weathered-mc252-crude-oil-induced-anemia-and-abnormal-erythroid-morphology-in-double-crested-cormorants-phalacrocorax-auritus-with-light-microscopic-and-ultrastructural-description-of-heinz-bodies
#3
Kendal E Harr, Fred L Cunningham, Chris A Pritsos, Karen L Pritsos, Thivanka Muthumalage, Brian S Dorr, Katherine E Horak, Katie C Hanson-Dorr, Karen M Dean, Dave Cacela, Andrew K McFadden, Jane E Link, Katherine A Healy, Pete Tuttle, Steven J Bursian
Injury assessment of birds following the Deepwater Horizon (DWH) oil spill in 2010 was part of the Natural Resource Damage Assessment. One reported effect was hemolytic anemia with the presence of Heinz bodies (HB) in birds, however, the role of route and magnitude of exposure to oil is unknown. The purpose of the present study was to determine if double-crested cormorants (Phalacocorax auritis; DCCO) exposed orally and dermally to artificially weathered crude oil would develop hemolytic anemia including HB and reticulocytosis...
July 19, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28725903/suppressive-effects-of-dietary-epa-rich-fish-oil-on-the-degradation-of-elastin-fibers-in-the-aortic-wall-in-nicotine-administered-mice
#4
Hirona Kugo, Nobuhiro Zaima, Megumi Onozato, Chie Miyamoto, Keisuke Hashimoto, Kenichi Yanagimoto, Tatsuya Moriyama
Abdominal aortic aneurysm (AAA) is a vascular disease involving gradual dilation of the abdominal aorta. Recent studies suggest that nicotine, which is a primary component in cigarette smoke, is closely associated with the development and rupture of an AAA. Nicotine accelerates AAA development through the weakening of the vascular wall by increasing oxidative stress and matrix metalloproteinase (MMP)-2 expression. However, little is known about preventing the AAA induced by nicotine. A non-surgical means of preventing the weakening of the vascular wall before the onset of AAA by functional food factors would be a valuable option over surgery...
July 20, 2017: Food & Function
https://www.readbyqxmd.com/read/28721486/modulatory-effect-of-lycopene-against-carbofuran-toxicity-in-african-catfish-clarias-gariepinus
#5
Heba S Hamed, Alaa G M Osman
In the current study, African catfish, Clarias gariepinus, was exposed to a sublethal concentration of carbofuran (CF) to investigate its negative effects on biochemical and oxidative stress biomarkers. Also, the putative role of lycopene (LYC) administration in alleviating these negative effects was evaluated. Fish were divided into six groups in triplicates as follows: group I was without treatment, group II was orally administered corn oil, group III was orally administered 18 mg LYC/kg body weight, group IV was exposed to 0...
July 18, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28710990/biomarkers-of-oxidative-stress-and-health-risk-assessment-of-heavy-metal-contaminated-aquatic-and-terrestrial-organisms-by-oil-extraction-industry-in-ogale-nigeria
#6
Sunny O Abarikwu, Eka B Essien, Oreva-Oghene Iyede, Kingsley John, Chidimma Mgbudom-Okah
Ogale community in Rivers State, Nigeria is characterized by crude-oil contamination of its land resources. The present study aimed to evaluate the health risk and metal (Cd, Pb, Zn, Cr, and Ni) contamination level of the vegetable (Telfairia occidentalis), snail (Achatina achatina) and the catfish (Clarias gariepinus) collected from Ogale community. Samples collected from Elele Alimini community, a less polluted area was used as control. Oxidative damage was evaluated in tissues of snail and in the liver of catfish...
July 7, 2017: Chemosphere
https://www.readbyqxmd.com/read/28688517/dietary-intake-of-deepwater-horizon-oil-injected-live-food-fish-by-double-crested-cormorants-resulted-in-oxidative-stress
#7
Karen L Pritsos, Cristina R Perez, Thivanka Muthumalage, Karen M Dean, Dave Cacela, Katie Hanson-Dorr, Fred Cunningham, Steven J Bursian, Jane E Link, Susan Shriner, Katherine Horak, Chris A Pritsos
The Deepwater Horizon oil spill released 134 million gallons of crude oil into the Gulf of Mexico making it the largest oil spill in US history and exposing fish, birds, and marine mammals throughout the Gulf of Mexico to its toxicity. Fish eating waterbirds such as the double-crested cormorant (Phalacrocorax auritus) were exposed to the oil both by direct contact with the oil and orally through preening and the ingestion of contaminated fish. This study investigated the effects of orally ingestedMC252 oil-contaminated live fish food by double-crested cormorants on oxidative stress...
July 5, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28672788/n-3-polyunsaturated-fatty-acids-decrease-the-protein-expression-of-soluble-epoxide-hydrolase-via-oxidative-stress-induced-p38-kinase-in-rat-endothelial-cells
#8
Takashi Okada, Katsutaro Morino, Fumiyuki Nakagawa, Masashi Tawa, Keiko Kondo, Osamu Sekine, Takeshi Imamura, Tomio Okamura, Satoshi Ugi, Hiroshi Maegawa
N-3 polyunsaturated fatty acids (PUFAs) improve endothelial function. The arachidonic acid-derived metabolites (epoxyeicosatrienoic acids (EETs)) are part of the endothelial hyperpolarization factor and are vasodilators independent of nitric oxide. However, little is known regarding the regulation of EET concentration by docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) in blood vessels. Sprague-Dawley rats were fed either a control or fish oil diet for 3 weeks. Compared with the control, the fish oil diet improved acetylcholine-induced vasodilation and reduced the protein expression of soluble epoxide hydrolase (sEH), a key EET metabolic enzyme, in aortic strips...
June 24, 2017: Nutrients
https://www.readbyqxmd.com/read/28659064/impact-of-the-type-of-emulsifier-on-the-physicochemical-characteristics-of-the-prepared-fish-oil-loaded-microcapsules
#9
Sudipta Chatterjee, Zaher M A Judeh
Fish oil microcapsules were successfully prepared from fish oil-in-water emulsions using chitosan as shell material and anionic surfactants sodium dodecyl sulphate (SDS), sodium dodecylbenzenesulfonate (SDBS), sodium cholate (cholate), and sodium deoxycholate (DOC) as emulsifiers. The type of emulsifier influenced the physicochemical characteristics of the prepared microcapsules to different extents. The microcapsules formed with DOC showed the least mean effective diameter (MED) of 500 nm. Emulsion formed with DOC exhibited the smallest MED of 100 nm...
June 28, 2017: Journal of Microencapsulation
https://www.readbyqxmd.com/read/28643574/stability-and-in-vitro-release-behaviour-of-encapsulated-omega-fatty-acid-rich-oils-in-lentil-protein-isolate-based-microcapsules
#10
C Chang, M T Nickerson
The objective of this study was to investigate the use of a lentil protein isolate-based microcapsule design as a platform for entrapping different types of omega fatty acid-rich oil (e.g. canola, fish and flaxseed oils) and to characterise differences in the physical properties (e.g. moisture content, water activity, colour, wettability, particle size, surface oil and entrapment efficiency), storage stability and in vitro release behaviour of the entrapped oils. All microcapsules displayed similar physical properties regardless of the core material...
June 23, 2017: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/28604588/docosahexaenoic-acid-induces-expression-of-heme-oxygenase-1-and-nad-p-h-quinone-oxidoreductase-through-activation-of-nrf2-in-human-mammary-epithelial-cells
#11
Hye-Yoon Bang, Sin-Aye Park, Soma Saeidi, Hye-Kyung Na, Young-Joon Surh
Docosahexaenoic acid (DHA), an ω-3 fatty acid abundant in fish oils, has diverse health beneficial effects, such as anti-oxidative, anti-inflammatory, neuroprotective, and chemopreventive activities. In this study, we found that DHA induced expression of two representative antioxidant/cytoprotective enzymes, heme oxygenase-1 (HO-1) and NAD(P)H:quinone oxidoreductase (NQO1), in human mammary epithealial (MCF-10A) cells. DHA-induced upregulation of these enzymes was accompanied by enhanced translocation of the redox-sensitive transcription factor Nrf2 into the nucleus and its binding to antioxidant response element...
June 10, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28602741/disease-resistance-and-response-against-vibrio-anguillarum-intestinal-infection-in-european-seabass-dicentrarchus-labrax-fed-low-fish-meal-and-fish-oil-diets
#12
S Torrecillas, M J Caballero, D Mompel, D Montero, M J Zamorano, L Robaina, F Rivero-Ramírez, V Karalazos, S Kaushik, M Izquierdo
The aim of this study was to assess the effects of low levels of dietary fish meal (FM) and fish oil (FO) on disease resistance and gut associated lymphoid tissue (GALT) response after an experimental intestinal infection with V. anguillarum in European sea bass (Dicentrarchus labrax) For that purpose, sea bass juveniles were fed one of four diets containing combined levels of FO and FM as follows: 20%FM/6%FO, 20%FM/3%FO, 5%FM/6%FO and 5%FM/3%FO during 153 days. At the end of the feeding trial, fish were subjected to either an in vivo exposure to a sub-lethal dose of V...
August 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28601011/developmental-toxicity-of-hydroxylated-chrysene-metabolites-in-zebrafish-embryos
#13
Graciel Diamante, Gabrielle do Amaral E Silva Müller, Norma Menjivar-Cervantes, Elvis Genbo Xu, David C Volz, Afonso Celso Dias Bainy, Daniel Schlenk
One of the primary sources of polycyclic aromatic hydrocarbons (PAHs) in marine environments is oil. Photochemical oxidation and microbial transformation of PAH-containing oils can result in the formation of oxygenated products. Among the PAHs in crude oil, chrysene is one of the most persistent within the water column and may be transformed to 2- and 6-hydroxychrysene (OHCHR). Both of these compounds have been shown to activate (2-OHCHR) and antagonize (6-OHCHR) the estrogen receptor (ER). Previous studies in our lab have shown that estrogen can significantly alter zebrafish development...
June 3, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28573726/effect-of-curry-leaf-and-clove-bud-essential-oils-on-textural-and-oxidative-stability-of-chill-stored-sutchi-catfish-fillets
#14
P K Binsi, George Ninan, C N Ravishankar
Effect of coating with curry leaf and clove essential oils (EO) on oxidative and textural stability of sutchi catfish fillets were evaluated during chilled storage. The changes in parameters associated with textural and lipid degradation was also evaluated to ascertain the interactive effect of polyphenols with muscle proteins. Further, the results were compared against vacuum and conventional polyethylene packaging practices. Prior to coating, the properties of antioxidants were evaluated in vitro based on total phenolic and flavonoid contents, 2, 2-diphenyl-1- picrylhydrazyl radical scavenging activity, inhibition of linoleic acid peroxidation, iron reducing power, and metal chelating ability...
June 2017: Journal of Texture Studies
https://www.readbyqxmd.com/read/28571622/reprint-of-development-of-methods-for-avian-oil-toxicity-studies-using-the-double-crested-cormorant-phalacrocorax-auritus
#15
Fred Cunningham, Karen Dean, Katie Hanson-Dorr, Kendal Harr, Kate Healy, Katherine Horak, Jane Link, Susan Shriner, Steven Bursian, Brian Dorr
Oral and external dosing methods replicating field exposure were developed using the double crested cormorant (DCCO) to test the toxicity of artificially weathered Deepwater Horizon Mississippi Canyon 252 oil. The majority of previous oil dosing studies conducted on wild-caught birds used gavage methods to dose birds with oil and determine toxicity. However, rapid gut transit time of gavaged oil likely reduces oil absorption. In the present studies, dosing relied on injection of oil into live feeder fish for oral dosing of these piscivorous birds, or applying oil to body contour feathers resulting in transdermal oil exposure and oral exposure through preening...
May 29, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28566223/oxidative-and-biochemical-responses-in-brycon-amazonicus-anesthetized-and-sedated-with-myrcia-sylvatica-g-mey-dc-and-curcuma-longa-l-essential-oils
#16
Etiane M H Saccol, Érika P Londero, Caroline A Bressan, Joseânia Salbego, Luciane T Gressler, Lenise V F Silva, Rosa H V Mourão, Ricardo B Oliveira, Susana F Llesuy, Bernardo Baldisserotto, Maria A Pavanato
OBJECTIVE: To investigate the effects of rapid anesthesia and long-term sedation with the essential oils (EOs) of Myrcia sylvatica (EOMS) and Curcuma longa (EOCL) on biochemical and oxidative parameters in matrinxã. STUDY DESIGN: Prospective, randomized, laboratory experiment. ANIMALS: A total of 72 matrinxã (Brycon amazonicus) adults weighing 404.8 ± 27.9 g were divided into eight groups of nine fish. METHODS: Biochemical and oxidative effects were investigated in plasma and tissues of matrinxã subjected to rapid anesthesia (5 minutes) or long-term sedation (360 minutes, simulating the practice of transport) with EOMS (200 μL L(-1) and 10 μL L(-1), respectively) and EOCL (500 μL L(-1) and 40 μL L(-1), respectively)...
January 11, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28559122/reprint-of-overview-of-avian-toxicity-studies-for-the-deepwater-horizon-natural-resource-damage-assessment
#17
S J Bursian, C R Alexander, D Cacela, F L Cunningham, K M Dean, B S Dorr, C K Ellis, C A Godard-Codding, C G Guglielmo, K C Hanson-Dorr, K E Harr, K A Healy, M J Hooper, K E Horak, J P Isanhart, L V Kennedy, J E Link, I Maggini, J K Moye, C R Perez, C A Pritsos, S A Shriner, K A Trust, P L Tuttle
The Oil Pollution Act of 1990 establishes liability for injuries to natural resources because of the release or threat of release of oil. Assessment of injury to natural resources resulting from an oil spill and development and implementation of a plan for the restoration, rehabilitation, replacement or acquisition of natural resources to compensate for those injuries is accomplished through the Natural Resource Damage Assessment (NRDA) process. The NRDA process began within a week of the Deepwater Horizon oil spill, which occurred on April 20, 2010...
May 27, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28558855/high-quality-fish-oil-has-a-more-favourable-effect-than-oxidised-fish-oil-on-intermediate-density-lipoprotein-and-ldl-subclasses-a-randomised-controlled-trial
#18
Amanda Rundblad, Kirsten B Holven, Inger Ottestad, Mari C Myhrstad, Stine M Ulven
Fish oil (FO) supplementation reduces the risk of CVD. However, it is not known if FO of different qualities have different effects on lipoprotein subclasses in humans. We aimed at investigating the effects of oxidised FO and high-quality FO supplementation on lipoprotein subclasses and their lipid concentrations in healthy humans. In all, fifty-four subjects completed a double-blind randomised controlled intervention study. The subjects were randomly assigned to receive high-quality FO (n 17), oxidised FO (n 18) or high-oleic sunflower oil capsules (HOSO, n 19) for 7 weeks...
May 31, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28526935/diabetes-induced-abnormalities-of-mitochondrial-function-in-rat-brain-cortex-the-effect-of-n-3-fatty-acid-diet
#19
Maria Chomova, Maria Balazova, Jana Muchova
Diabetic encephalopathy, a proven complication of diabetes is associated with gradually developing end-organ damage in the CNS increasing the risk of stroke, cognitive dysfunction or Alzheimer's disease. This study investigated the response of rat cortical mitochondria to streptozotocin-induced diabetes and the potential for fish oil emulsion (FOE) to modulate mitochondrial function. Diabetes-induced deregulation of the respiratory chain function as a result of diminished complex I activity (CI) and cytochrome c oxidase hyperactivity was associated with attenuation of antioxidant defense of isolated cortical mitochondria, monitored by SOD activity, the thiol content, the dityrosine and protein-lipid peroxidation adduct formation...
May 19, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28515386/autoxidation-of-fish-oil-blended-with-rice-bran-oil
#20
Shigeo Nakajima, Marie Takai, Chieko Hayashi, Takuo Tsuno, Yasushi Endo
Effects of rice bran oil on the oxidative and flavor stability of fish oil were investigated by the gas liquid chromatography-head space method. When fish oil blending with different ratio of rice bran oils was oxidized at room temperature in the dark, volatile compounds produced during autoxidation was measured by gas liquid chromatography. The amounts of volatile compounds were decreased with increased the ratio of blended rice bran oil as well as peroxide value. The level of propanal and acrolein which gave unpleasant flavor was also decreased with increased the ratio of blended rice bran oil...
May 17, 2017: Journal of Oleo Science
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