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fish oil and oxidation

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https://www.readbyqxmd.com/read/29350421/involvement-of-xanthine-oxidase-inhibition-with-the-antioxidant-property-of-nanoencapsulated-melaleuca-alternifolia-essential-oil-in-fish-experimentally-infected-with-pseudomonas-aeruginosa
#1
M D Baldissera, C F Souza, P H Doleski, R C V Santos, R P Raffin, B Baldisserotto
Nanoencapsulated Melaleuca alternifolia essential oil (tea tree oil, TTO) is a natural alternative treatment, with 100% therapeutic efficacy in fish experimentally infected with Pseudomonas aeruginosa, and has also potent protective effects linked with antioxidant properties. However, the pathways responsible for the antioxidant capacity remain unknown. Thus, this study evaluated whether the inhibition of seric xanthine oxidase (XO) activity can be considered a pathway involved in the antioxidant capacity of nanoencapsulated TTO in fish experimentally infected with P...
January 19, 2018: Journal of Fish Diseases
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
#2
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/29328808/effective-prevention-of-oxidative-deterioration-of-fish-oil-focus-on-flavor-deterioration
#3
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/29326089/associations-between-markers-of-oxidative-stress-skeletal-muscle-mass-and-function-and-to-the-influence-of-resistance-exercise-training-in-older-adults
#4
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/29301277/improved-physicochemical-properties-of-yogurt-fortified-with-fish-oil-%C3%AE-oryzanol-by-nanoemulsion-technology
#5
Jinfeng Zhong, Rong Yang, Xiaoyi Cao, Xiong Liu, Xiaoli Qin
Fish oil has several dietary benefits, but its application in food formulations is limited because of its poor water-solubility, easy oxidation and strong odor. The purposes of this study were to produce a fish oil/γ-oryzanol nanoemulsion and to evaluate the effect of adding this nanoemulsion on the physicochemical and sensory characteristics of yogurts. Adding fish oil/γ-oryzanol nanoemulsion resulted in a significant reduction in the acidity and syneresis of yogurt. Yogurt with the nanoemulsion had significantly lower peroxide value (0...
January 2, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29288811/effects-of-dietary-oxidized-fish-oil-supplementation-on-oxidative-stress-and-antioxidant-defense-system-in-juvenile-rainbow-trout-oncorhynchus-mykiss
#6
Stéphanie Fontagné-Dicharry, Laurence Larroquet, Karine Dias, Marianne Cluzeaud, Cécile Heraud, Dominique Corlay
The objective of the study was to characterize the response of the antioxidant defense system against dietary prooxidant conditions in rainbow trout juveniles. Fish (initial mean weight: 62 ± 1 g) were fed three fishmeal and plant-derived protein-based diets supplemented with 15% fresh fish oil (CTL diet), 15% fresh fish oil from tuna by-products (BYP diet) or 15% autooxidized fish oil (OX diet) over a 12-week growth trial at 17.5 ± 0.5 °C. No significant differences in growth performance were recorded between dietary groups...
December 27, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29283350/backward-mode-photoacoustic-imaging-using-illumination-through-a-cmut-with-improved-transparency
#7
Xiao Zhang, Xun Wu, Oluwafemi Joel Adelegan, Feysel Yalcin Yamaner, Omer Oralkan
In this paper, we describe a capacitive micromachined ultrasonic transducer (CMUT) with improved transparency for photoacoustic imaging (PAI) with backside illumination. The CMUT was fabricated on a glass substrate with indium-tin oxide bottom electrodes. The plate was a 1.5- silicon layer formed over the glass cavities by anodic bonding, with a 1- silicon nitride passivation layer on top. The fabricated device shows approximately 30%-40% transmission in the wavelength range from 700 to 800 nm and approximately 40%-60% transmission in the wavelength range from 800 to 900 nm, which correspond to the wavelength range commonly used for in vivo PAI...
January 2018: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
https://www.readbyqxmd.com/read/29258174/co-enzyme-q10-and-n-3-polyunsaturated-fatty-acid-supplementation-reverse-intermittent-hypoxia-induced-growth-restriction-and-improved-antioxidant-profiles-in-neonatal-rats
#8
Kay D Beharry, Charles L Cai, Michael M Henry, Sara Chowdhury, Gloria B Valencia, Jacob V Aranda
Neonatal intermittent hypoxia (IH) increases the risk for many morbidities in extremely low birth weight/gestational age (ELBW/ELGA) neonates with compromised antioxidant systems and poor growth. We hypothesized that supplementation with coenzyme Q10 (CoQ10, ubiquinol) or n-3 polyunsaturated fatty acids (PUFAs) during neonatal IH improves antioxidant profiles and somatic growth in neonatal rats. Newborn rats were exposed to two IH paradigms at birth (P0): (1) 50% O₂ with brief hypoxic episodes (12% O₂); or (2) room air (RA) with brief hypoxia, until P14 during which they received daily oral CoQ10 in olive oil, n-3 PUFAs in fish oil, or olive oil only from P0 to P14...
December 16, 2017: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29249211/remodelling-of-primary-human-cd4-t-cell-plasma-membrane-order-by-n-3-pufa
#9
Yang-Yi Fan, Natividad R Fuentes, Tim Y Hou, Rola Barhoumi, Xian C Li, Nicolaas E P Deutz, Marielle P K J Engelen, David N McMurray, Robert S Chapkin
Cell membrane fatty acids influence fundamental properties of the plasma membrane, including membrane fluidity, protein functionality, and lipid raft signalling. Evidence suggests that dietary n-3 PUFA may target the plasma membrane of immune cells by altering plasma membrane lipid dynamics, thereby regulating the attenuation of immune cell activation and suppression of inflammation. As lipid-based immunotherapy might be a promising new clinical strategy for the treatment of inflammatory disorders, we conducted in vitro and in vivo experiments to examine the effects of n-3 PUFA on CD4+ T cell membrane order, mitochondrial bioenergetics and lymphoproliferation...
December 18, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/29226031/sodium-salt-medium-chain-fatty-acids-and-bacillus-based-probiotic-strategies-to-improve-growth-and-intestinal-health-of-gilthead-sea-bream-sparus-aurata
#10
Paula Simó-Mirabet, M Carla Piazzon, Josep Alvar Calduch-Giner, Álvaro Ortiz, Mónica Puyalto, Ariadna Sitjà-Bobadilla, Jaume Pérez-Sánchez
Background: The increased demand for fish protein has led to the intensification of aquaculture practices which are hampered by nutritional and health factors affecting growth performance. To solve these problems, antibiotics have been used for many years in the prevention, control and treatment against disease as well as growth promoters to improve animal performance. Nowadays, the use of antibiotics in the European Union and other countries has been completely or partially banned as a result of the existence of antibiotic cross-resistance...
2017: PeerJ
https://www.readbyqxmd.com/read/29210460/a-kinetic-approach-to-evaluate-the-structure-based-performance-of-antioxidants-during-lipid-oxidation
#11
Reza Farhoosh
Thermal kinetic parameters of fish oil oxidation, as affected by o-hydroxyl, o-methoxy, and alkyl ester derivatives of p-hydroxybenzoic acid in various concentrations (0.02% to 0.16%) at 35 to 55 °C, were calculated. The average extent of increase (2% to 10%) in the values of free energy of activation, ∆G++ , as well as the average extent of change in the Arrhenius equation parameters, including activation energy (Ea , -40.5% to 13.6%) and frequency factor (A, -55.0% to 4.3%), could be employed well to show structure-based performance of antioxidants...
December 6, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/29196872/seleno-compounds-and-carnosic-acid-added-to-diets-with-rapeseed-and-fish-oils-affect-concentrations-of-selected-elements-and-chemical-composition-in-the-liver-heart-and-muscles-of-lambs
#12
Marian Czauderna, Anna Ruszczyńska, Ewa Bulska, Katarzyna Agnieszka Krajewska
The objective of our studies was to investigate effects of carnosic acid (CA), selenized yeast (SeY) and selenate (SeVI) added to the diet including rapeseed oil (RO) and fish oil (FO) on concentrations of elements, fatty acids (FAs), tocopherols, cholesterol, and malondialdehyde in the liver, heart, musculus longissimus dorsi (MLD), and musculus biceps femoris (MBF) of lambs. Lambs were fed diets: group I-the basal diet (BD) with RO; group II-BD with RO and FO; group III-BD with RO, FO, and CA; group IV-BD with RO, FO, CA, and SeY; group V-BD with RO, FO, CA, and SeVI...
December 2, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29194424/functional-foods-and-lifestyle-approaches-for-diabetes-prevention-and-management
#13
REVIEW
Ahmad Alkhatib, Catherine Tsang, Ali Tiss, Theeshan Bahorun, Hossein Arefanian, Roula Barake, Abdelkrim Khadir, Jaakko Tuomilehto
Functional foods contain biologically active ingredients associated with physiological health benefits for preventing and managing chronic diseases, such as type 2 diabetes mellitus (T2DM). A regular consumption of functional foods may be associated with enhanced anti-oxidant, anti-inflammatory, insulin sensitivity, and anti-cholesterol functions, which are considered integral to prevent and manage T2DM. Components of the Mediterranean diet (MD)-such as fruits, vegetables, oily fish, olive oil, and tree nuts-serve as a model for functional foods based on their natural contents of nutraceuticals, including polyphenols, terpenoids, flavonoids, alkaloids, sterols, pigments, and unsaturated fatty acids...
December 1, 2017: Nutrients
https://www.readbyqxmd.com/read/29188048/effects-of-cooking-techniques-on-fatty-acid-and-oxylipin-content-of-farmed-rainbow-trout-oncorhynchus-mykiss
#14
Katrina Flaskerud, Michael Bukowski, Mikhail Golovko, LuAnn Johnson, Stephen Brose, Ashrifa Ali, Beth Cleveland, Matthew Picklo, Susan Raatz
The aim of this study was to investigate the effect of various cooking techniques on the fatty acid and oxylipin content of farmed rainbow trout. Rainbow trout is an excellent source of long-chain omega-3 (n-3) polyunsaturated fatty acids (PUFA) which have beneficial health effects. Fillets of 2-year-old farmed rainbow trout were baked, broiled, microwaved, or pan-fried in corn (CO), canola (CaO), peanut (PO), or high oleic sunflower oil (HOSO). Fatty acids and oxidized lipids were extracted from these samples and their respective raw fillet samples...
November 2017: Food Science & Nutrition
https://www.readbyqxmd.com/read/29185886/fish-oil-suppresses-body-fat-accumulation-in-zebrafish
#15
Shinichi Meguro, Takahiro Hasumura
Zebrafish is an often used model of vertebrate lipid metabolism. In this article, we examined the effects of diets rich in fish oil, a dietary fat that has been shown to have antiobesity effects in mammals, or lard on body fat accumulation in zebrafish. Adult female zebrafish were fed a high-fat diet containing 20% (w/w) fish oil or lard for 4 weeks. Fish in the fish oil diet group had less body fat accumulation compared with those in the lard diet group. In the intestine, expression of genes for the alpha (hadhaa) and beta (hadhb) subunits of the beta-oxidation enzyme hydroxyacyl-Coenzyme A dehydrogenase/3-ketoacyl-Coenzyme A thiolase/enoyl-Coenzyme A hydratase was significantly increased in the fish oil diet group compared with the lard diet group (p < 0...
November 29, 2017: Zebrafish
https://www.readbyqxmd.com/read/29184238/effect-of-natural-antioxidants-on-physicochemical-properties-and-lipid-stability-of-pork-liver-p%C3%A3-t%C3%A3-manufactured-with-healthy-oils-during-refrigerated-storage
#16
Paulo Eduardo Sichetti Munekata, Rubén Domínguez, Paulo Cezar Bastianello Campagnol, Daniel Franco, Marco Antonio Trindade, José Manuel Lorenzo
This study aimed to evaluate the effect of natural antioxidants in pork liver pâté manufactured with the combination of pork backfat, fish oil and olive oil. Phenolic composition of beer residue extract (BRE), chestnut leaves extract (CLE) and peanut skin extract (PSE) were identified and quantified. Four batches of pork liver pâté were produced: control, BRE, CLE and PSE. Pork liver pâté was evaluated for proximate composition, pH, instrumental colour, free fatty acid content, lipid-derived volatile compounds and lipid oxidation...
December 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/29181705/coenzyme-q10-loaded-fish-oil-based-bigel-system-probing-the-delivery-across-porcine-skin-and-possible-interaction-with-fish-oil-fatty-acids
#17
Mohd Hanif Zulfakar, Lee Mei Chan, Khurram Rehman, Lam Kok Wai, Charles M Heard
Coenzyme Q10 (CoQ10) is a vitamin-like oil-soluble molecule that has anti-oxidant and anti-ageing effects. To determine the most optimal CoQ10 delivery vehicle, CoQ10 was solubilised in both water and fish oil, and formulated into hydrogel, oleogel and bigel. Permeability of CoQ10 from each formulation across porcine ear skin was then evaluated. Furthermore, the effects of the omega-3 fatty eicosapentaenoic (EPA) and docosahexaenoic (DHA) acids from fish oil on skin permeation were investigated by means of nuclear magnetic resonance (NMR) and computerised molecular modelling docking experiments...
November 27, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/29175764/the-effect-of-essential-oils-on-microbial-composition-and-quality-of-grass-carp-ctenopharyngodon-idellus-fillets-during-chilled-storage
#18
Zhan Huang, Xiaochang Liu, Shiliang Jia, Longteng Zhang, Yongkang Luo
Antimicrobial and antioxidant effects of essential oils (oregano, thyme, and star anise) on microbial composition and quality of grass carp fillets were investigated. Essential oils treatment was found to be effective in inhibiting microbial growth, delaying lipid oxidation, and retarding the increase of TVB-N, putrescine, hypoxanthine, and K-value. Based on sensory analysis, shelf-life of grass carp fillets was 6days for control and 8days for treatment groups. Among the essential oils, oregano essential oil exhibited the highest antimicrobial and antioxidant activities...
November 6, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/29151396/effect-of-dietary-sources-of-n-3-fatty-acids-on-pig-performance-and-technological-nutritional-and-sensory-qualities-of-pork
#19
A de Tonnac, J Mourot
In France, animal products (dairy products, meat and eggs) are the main source of n-3 polyunsaturated fatty acids (PUFA) in the human diet; however, many individuals do not consume enough of this nutrient. The objective of this study was to increase n-3 PUFA precursor and derivative contents in tissues and test how they influence technological and sensory qualities of meat without negatively affecting growth performances of pigs. A total of 60 male pigs [(Large White×Landrace)×Pietrain] were assigned according to their initial liveweight (50...
November 20, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29151385/the-compositional-and-metabolic-responses-of-gilthead-seabream-sparus-aurata-to-a-gradient-of-dietary-fish-oil-and-associated-n-3-long-chain-pufa-content
#20
Sam J S Houston, Vasileios Karalazos, John Tinsley, Mónica B Betancor, Samuel A M Martin, Douglas R Tocher, Oscar Monroig
The replacement of fish oil (FO) with vegetable oil (VO) in feed formulations reduces the availability of n-3 long-chain PUFA (LC-PUFA) to marine fish such as gilthead seabream. The aim of this study was to examine compositional and physiological responses to a dietary gradient of n-3 LC-PUFA. Six iso-energetic and iso-nitrogenous diets (D1-D6) were fed to seabream, with the added oil being a blend of FO and VO to achieve a dietary gradient of n-3 LC-PUFA. Fish were sampled after 4 months feeding, to determine biochemical composition, tissue fatty acid concentrations and lipid metabolic gene expression...
November 20, 2017: British Journal of Nutrition
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