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fish oil and oxidation

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https://www.readbyqxmd.com/read/27921401/effects-of-soybean-isoflavone-on-intestinal-antioxidant-capacity-and-cytokines-in-young-piglets-fed-oxidized-fish-oil
#1
Lin Huang, Xian-Yong Ma, Zong-Yong Jiang, You-Jun Hu, Chun-Tian Zheng, Xue-Fen Yang, Li Wang, Kai-Guo Gao
To investigate the effect of glycitein, a synthetic soybean isoflavone (ISF), on the intestinal antioxidant capacity, morphology, and cytokine content in young piglets fed oxidized fish oil, 72 4-d-old male piglets were assigned to three treatments. The control group was fed a basal diet containing fresh fish oil, and the other two groups received the same diet except for the substitution with the same dosage of oxidized fish oil alone or with ISF (oxidized fish oil plus ISF). After 21 d of feeding, supplementation of oxidized fish oil increased the levels of malondialdehyde (MDA), oxidized glutathione (GSSG), interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α), interleukin-2 (IL-2), nuclear factor κ B (NF-κB), inducible nitric oxide synthase (iNOS), NO, and Caspase-3 in jejunal mucosa, and decreased the villous height in duodenum and the levels of secretory immunoglobulin A (sIgA) and IL-4 in the jejunal mucosa compared with supplementation with fresh oil...
2016: Journal of Zhejiang University. Science. B
https://www.readbyqxmd.com/read/27921244/towards-green-oviposition-deterrents-effectiveness-of-syzygium-lanceolatum-myrtaceae-essential-oil-against-six-mosquito-vectors-and-impact-on-four-aquatic-biological-control-agents
#2
Giovanni Benelli, Mohan Rajeswary, Marimuthu Govindarajan
Essential oils (EOs) from plants may be alternative sources of molecules toxic against mosquito vectors of public health relevance. Most of researches in this field focused on EOs as larvicides or ovicides, while limited efforts focused on the exploitation of EOs as oviposition deterrents. In the present study, the larvicidal and oviposition deterrent activity of Syzygium lanceolatum leaf EO was evaluated against six mosquito species, Anopheles stephensi, An. subpictus, Aedes aegypti, Ae. albopictus, Culex quinquefasciatus, and Cx...
December 5, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27912119/tuning-of-shell-thickness-of-solid-lipid-particles-impacts-the-chemical-stability-of-encapsulated-%C3%AF-3-fish-oil
#3
Hanna Salminen, Thrandur Helgason, Bjarki Kristinsson, Kristberg Kristbergsson, Jochen Weiss
HYPOTHESIS: This study demonstrates that tuning the shell thickness of lipid particles can modulate their oxidative stability. We hypothesized that a thick crystallized shell around the incorporated fish oil would improve the oxidative stability due to the reduced diffusion of prooxidants and oxygen. EXPERIMENTS: We prepared solid lipid nanoparticles (5%w/w lipid phase, 1.5%w/w surfactant, pH 7) by using different ratios of tristearin as carrier lipid and ω-3 fish oil as incorporated liquid lipid stabilized by high- or low-melting lecithin...
November 19, 2016: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/27904853/effects-of-postoperative-parenteral-nutrition-with-different-lipid-emulsions-in-patients-undergoing-major-abdominal-surgery
#4
Seher Demirer, Ali Sapmaz, Ahmet Serdar Karaca, Ilknur Kepenekci, Semih Aydintug, Deniz Balci, Pinar Sonyurek, Kenan Kose
PURPOSE: This study was designed to investigate the effects of total parenteral nutrition (PN) using different lipid emulsions in patients undergoing major abdominal surgery. METHODS: Fifty-two patients were randomized to receive soybean oil + medium chain triglycerides (MCT) (group I), soybean oil + olive oil (group II), soybean oil + olive oil + fish oil (group III) as a lipid source. PN was started on postoperative day 1 and patients were maintained on PN for a minimum period of 4 days...
December 2016: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/27887733/determining-oxidative-stress-and-erod-activity-in-dab-limanda-limanda-in-the-north-and-baltic-seas
#5
Sturve Joachim, Hultman T Maria, Wassmur Britt, Carney Almroth Bethanie
The North and Baltic Seas are heavily trafficked marine areas with extensive anthropogenic activities, including cargo and fishing vessels, waste dumping, oil platforms, industrial activities and contamination from coastal runoff. In order to evaluate the environmental health of these regions, we used the demersal fish dab (Limanda limanda) as a sentinel species. The current study used well-established biomarkers for PAH exposure and oxidative stress, measuring EROD activity, the acute antioxidant response as well as oxidation of proteins detected as protein carbonyl levels...
November 1, 2016: Marine Environmental Research
https://www.readbyqxmd.com/read/27886145/role-of-endogenous-and-exogenous-tocopherols-in-the-lipid-stability-of-marine-oil-systems-a-review
#6
REVIEW
Guadalupe Miroslava Suárez-Jiménez, Carmen María López-Saiz, Hugo Enrique Ramírez-Guerra, Josafat Marina Ezquerra-Brauer, Saul Ruiz-Cruz, Wilfrido Torres-Arreola
In marine organisms primarily intended for human consumption, the quality of the muscle and the extracted oils may be affected by lipid oxidation during storage, even at low temperatures. This has led to a search for alternatives to maintain quality. In this sense, antioxidant compounds have been used to prevent such lipid deterioration. Among the most used compounds are tocopherols, which, due to their natural origin, have become an excellent alternative to prevent or retard lipid oxidation and maintain the quality of marine products...
November 24, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27827947/australian-and-new-zealand-fish-oil-products-in-2016-meet-label-omega-3-claims-and-are-not-oxidized
#7
Peter D Nichols, Lalen Dogan, Andrew Sinclair
We provide new fish oil product results to assist industry in Australia and New Zealand and, ultimately, consumers in understanding the high product quality assurance protocols in place, together with the high product quality that has been determined by both industry and independent laboratories. Fish oil capsule products common to Australia and New Zealand were purchased in May 2016 in Richmond, Victoria, Australia. Products were from two groups; five standard fish oil products and five fish oil concentrates...
November 5, 2016: Nutrients
https://www.readbyqxmd.com/read/27815837/fish-oil-prevents-lipopolysaccharide-induced-depressive-like-behavior-by-inhibiting-neuroinflammation
#8
Zhe Shi, Huixia Ren, Zhijian Huang, Yu Peng, Baixuan He, Xiaoli Yao, Ti-Fei Yuan, Huanxing Su
Depression is associated with somatic immune changes, and neuroinflammation is now recognized as hallmark for depressive disorders. N-3 (or omega-3) polyunsaturated fatty acids (PUFAs) are well known to suppress neuroinflammation, reduce oxidative stress, and protect neuron from injury. We pretreated animals with fish oil and induced acute depression-like behaviors with systemic lipopolysaccharide (LPS) injection. The levels of cytokines and stress hormones were determined from plasma and different brain areas...
November 4, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27812084/nutrition-oxidative-stress-and-intestinal-dysbiosis-influence-of-diet-on-gut-microbiota-in-inflammatory-bowel-diseases
#9
Giovanni Tomasello, Margherita Mazzola, Angelo Leone, Emanuele Sinagra, Giovanni Zummo, Felicia Farina, Provvidenza Damiani, Francesco Cappello, Alice Gerges Geagea, Abdo Jurjus, Tarek Bou Assi, Massimiliano Messina, Francesco Carini
BACKGROUND: Microbiota refers to the population of microorganisms (bacteria, viruses and fungi) that inhabit the entire gastrointestinal tract, more particularly the colon whose role is to maintain the integrity of the intestinal mucosa and control the proliferation of pathogenic bacteria. Alteration in the composition of the gut microbiota is called dysbiosis. Dysbiosis redisposes to inflammatory bowel diseases such as ulcerative colitis, Crohn disease and indeterminate colitis. METHODS: The purpose of this literature review is to elucidate the influence of diet on the composition of the gastrointestinal microbiota in the healthy gut and the role of diet in the development of dysbiosis...
October 26, 2016: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
https://www.readbyqxmd.com/read/27785012/docosahexaenoic-acid-liposomes-for-targeting-chronic-inflammatory-diseases-and-cancer-an-in-vitro-assessment
#10
Amr Alaarg, Nan Yeun Jordan, Johan Jf Verhoef, Josbert M Metselaar, Gert Storm, Robbert J Kok
Inflammation, oxidative stress, and uncontrolled cell proliferation are common key features of chronic inflammatory diseases, such as atherosclerosis and cancer. ω3 polyunsaturated fatty acids (PUFAs; also known as omega3 fatty acids or fish oil) have beneficial effects against inflammation upon dietary consumption. However, these effects cannot be fully exploited unless diets are enriched with high concentrations of fish oil supplements over long periods of time. Here, a nanomedicine-based approach is presented for delivering effective levels of PUFAs to inflammatory cells...
2016: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/27765212/structural-and-oxidative-stabilization-of-spray-dried-fish-oil-microencapsulates-with-gum-arabic-and-sage-polyphenols-characterization-and-release-kinetics
#11
P K Binsi, Natasha Nayak, P C Sarkar, A Jeyakumari, P Muhamed Ashraf, George Ninan, C N Ravishankar
The synergistic efficacy of gum arabic and sage polyphenols in stabilising capsule wall and protecting fish oil encapsulates from heat induced disruption and oxidative deterioration during spray drying was assessed. The emulsions prepared with sodium caseinate as wall polymer, gum arabic as wall co-polymer and sage extract as wall stabiliser was spray dried using a single fluid nozzle. Fish oil encapsulates stabilised with gum arabic and sage extract (SOE) exhibited significantly higher encapsulation efficiency compared to encapsulates containing gum arabic alone (FOE)...
March 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27741399/oxidative-stability-of-granola-bars-enriched-with-multilayered-fish-oil-emulsion-in-the-presence-of-novel-brown-seaweed-based-antioxidants
#12
Ditte B Hermund, Ayse Karadag, Ulf Andersen, Rósa Jónsdóttir, Hordur G Kristinsson, Cesarettin Alasalvar, Charlotte Jacobsen
Fucus vesiculosus extracts that have both radical scavenging activity and metal chelating ability in vitro were used as natural antioxidant in granola bars enriched with fish oil emulsion either by using primary and secondary emulsion systems stabilized by sodium caseinate alone and sodium caseinate-chitosan. The bars were stored at 20°C and evaluated over a period of 10 weeks by measuring the development of primary and secondary oxidation products. The samples prepared with secondary emulsion system developed less oxidation products probably due to increased interfacial layer thickness that would act a barrier to the penetration and diffusion of molecular species that promote oxidation...
October 14, 2016: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/27720039/risk-factors-associated-with-plasma-omega-3-fatty-acid-levels-in-patients-with-suspected-coronary-artery-disease
#13
Rahul Chaudhary, Katayoon Saadin, Kevin P Bliden, William S Harris, Bao Dinh, Tushar Sharma, Udaya S Tantry, Paul A Gurbel
INTRODUCTION: We sought to determine the associations between plasma eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) levels and various cardiovascular risk factors and with the use of fish oil supplements (FOS). PATIENTS AND METHODS: Patients with suspected coronary artery disease (CAD) undergoing cardiac catheterization (n=433) were studied. Serum fatty acid (FA) composition, the concentrations of lipids and biomarkers of oxidative stress, and dietary/lifestyle factors were measured...
October 2016: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/27719898/crystallization-and-melting-properties-of-mixtures-of-milk-fat-stearin-and-omega-3-rich-oils
#14
Bing-Zheng Li, Tuyen Truong, Bhesh Bhandari
Solid milk fat stearin (S25) can be a promising oxidation retarder due to its capacity to entrap liquid oils, especially for incorporating omega-3 (ω-3) rich oils into dairy products. Thermal properties of S25/ω-3 rich oil mixtures are necessary for such application. The effects of S25 on the crystallization and melting behaviours of ω-3 rich oils, namely fish oil (FO), linseed oil (LO) and krill oil (KO), were investigated by differential scanning calorimetry (DSC). Thermograms showed that with S25 concentration increasing, transitions of FO and LO shifted to lower and largely to higher temperatures, respectively, while crystallization temperature of KO slightly decreased...
March 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27716366/the-effect-of-n-3-n-6-polyunsaturated-fatty-acids-on-acute-reflux-esophagitis-in-rats
#15
Ze-Hao Zhuang, Jing-Jing Xie, Jing-Jing Wei, Du-Peng Tang, Li-Yong Yang
BACKGROUND: Polyunsaturated fatty acids (PUFAs) play various roles in inflammation. However, the effect of PUFAs in the development of reflux esophagitis (RE) is unclear. This study is to investigate the potential effect of n-3/n-6 PUFAs on acute RE in rats along with the underlying protective mechanisms. METHODS: Forty Sprague Dawley rats were randomly divided into four groups (n = 10 in each group). RE model was established by pyloric clip and section ligation...
October 4, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27713004/biological-and-pathophysiological-roles-of-end-products-of-dha-oxidation
#16
Valentin P Yakubenko, Tatiana V Byzova
BACKGROUND: Polyunsaturated fatty acids (PUFA) are known to be present and/or enriched in vegetable and fish oils. Among fatty acids, n-3 PUFA are generally considered to be protective in inflammation-related diseases. The guidelines for substituting saturated fatty acids for PUFAs have been highly publicized for decades by numerous health organizations. Recently, however, the beneficial properties of n-3 PUFA are questioned by detailed analyses of multiple randomized controlled clinical trials...
October 3, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27708849/highly-purified-eicosapentaenoic-acid-ameliorates-cardiac-injury-and-adipose-tissue-inflammation-in-a-rat-model-of-metabolic-syndrome
#17
S Ito, Y Sano, K Nagasawa, N Matsuura, Y Yamada, A Uchinaka, T Murohara, K Nagata
INTRODUCTION: n-3 Polyunsaturated fatty acids such as eicosapentaenoic acid (EPA), which are abundant in fish oil, have been shown to delay the onset of cardiovascular events. We previously established DahlS.Z-Lepr(fa)/Lepr(fa) (DS/obese) rats, which are derived from a cross between Dahl salt-sensitive and Zucker rats, as a model of metabolic syndrome. This study has now explored the influence of highly purified EPA on cardiac and adipose tissue pathophysiology in this animal model. MATERIALS AND METHODS: DS/obese rats were administered EPA (300 or 1,000 mg kg(-1) d(-1), per os) or vehicle from age 9 to 13 weeks...
September 2016: Obesity Science & Practice
https://www.readbyqxmd.com/read/27566551/evaluating-oxidative-stress-serological-and-haematological-status-of-dogs-suffering-from-osteoarthritis-after-supplementing-their-diet-with-fish-or-corn-oil
#18
Stella Maria Barrouin-Melo, Johanna Anturaniemi, Satu Sankari, Mikko Griinari, Faik Atroshi, Sakaewan Ounjaijean, Anna Katrina Hielm-Björkman
BACKGROUND: Oxidative stress plays an important role in the pathogenesis of disease, and the antioxidant physiological effect of omega-3 from fish oil may lead to improvement of canine spontaneous osteoarthritis (OA). METHODS: In this prospective randomized, controlled, double-blinded study, we assessed haematological and biochemical parameters in dogs with OA following supplementation with either a concentrated omega-3 deep sea fish oil product or corn oil. Blood samples from 77 client-owned dogs diagnosed as having OA were taken before (baseline) and 16 weeks after having orally ingested 0...
2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27564420/fish-oil-supplements-longevity-and-aging
#19
João Pedro de Magalhães, Michael Müller, G Ed Rainger, Wilma Steegenga
Fish oil supplementation is of great medical and public interest with epidemiological evidence of health benefits in humans, in particular by conferring protection against heart diseases. Its anti-inflammatory properties have also been reported. Initial results from short-lived mouse strains showed that fish oil can increase lifespan, affecting pathways like inflammation and oxidation thought to be involved in the regulation of aging. Could fish oil and its omega-3 fatty acids act as geroprotectors? Probably not...
August 2016: Aging
https://www.readbyqxmd.com/read/27556399/preliminary-validation-of-a-high-docosahexaenoic-acid-dha-and-linolenic-acid-ala-dietary-oil-blend-tissue-fatty-acid-composition-and-liver-proteome-response-in-atlantic-salmon-salmo-salar-smolts
#20
Waldo G Nuez-Ortín, Chris G Carter, Richard Wilson, Ira Cooke, Peter D Nichols
Marine oils are important to human nutrition as the major source of docosahexaenoic acid (DHA), a key omega-3 long-chain (≥C20) polyunsaturated fatty acid (n-3 LC-PUFA) that is low or lacking in terrestrial plant or animal oils. The inclusion of fish oil as main source of n-3 LC-PUFA in aquafeeds is mostly limited by the increasing price and decreasing availability. Fish oil replacement with cheaper terrestrial plant and animal oils has considerably reduced the content of n-3 LC-PUFA in flesh of farmed Atlantic salmon...
2016: PloS One
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