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docosahexaenoic acid

Yoshihiro Miyake, Keiko Tanaka, Hitomi Okubo, Satoshi Sasaki, Masashi Arakawa
OBJECTIVE: The aim of this cohort study was to investigate the relationship between maternal fat consumption during pregnancy and behavioral problems in 1199 Japanese children at age 5 y. METHODS: Dietary intake of mothers during pregnancy was assessed using a diet history questionnaire. Emotional, conduct, hyperactivity, and peer problems in children were assessed using the Strengths and Difficulties Questionnaire; the four scale scores were dichotomized, comparing children with borderline and abnormal scores to children with normal scores...
February 2, 2018: Nutrition
I S M van der Wurff, C von Schacky, T Bergeland, R Leontjevas, M P Zeegers, P A Kirschner, R H M de Groot
PURPOSE: Depression is common in adolescents and long-chain polyunsaturated fatty acids (LCPUFA) are suggested to be associated with depression. However, research in adolescents is limited. Furthermore, self-esteem has never been studied in relation to LCPUFA. The objective here was to determine associations of depression and self-esteem with eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), Omega-3 Index (O3I), n-6 docosapentaenoic acid (n-6 DPA, also called Osbond acid, ObA), n-3 docosapentaenoic acid (DPA), and arachidonic acid (AA) concentrations in blood of adolescents attending lower general secondary education (LGSE)...
March 16, 2018: European Journal of Nutrition
Omer Said Toker, Nevzat Konar, Ibrahim Palabiyik, Haniyeh Rasouli Pirouzian, Sirin Oba, Derya Genc Polat, Ender Sinan Poyrazoglu, Osman Sagdic
In this study, dark chocolate enriched with EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid) was developed using various forms and origins. Quality characteristics such as physical, thermo-gravimetric, rheological, textural and sensory properties of chocolates were investigated. The highest EPA/DHA stability was determined in samples prepared by free-flowing powder and microencapsulated forms of omega-3 fatty acids (FA). The L∗ and C∗ values varied from 32.16-33.37 and 7.45-8.09, respectively for the all samples...
July 15, 2018: Food Chemistry
Harmanpreet Singh, Chateshwar Kumar, Narpinder Singh, Surinder Paul, Subheet Kumar Jain
Docosahexaenoic acid (DHA) is a vital structural component of neuronal tissue, which is critically required during pre- and post-natal brain development. Its liquid nature, fishy odor, poor bioavailability and oxidative stability are the major challenges in the development of a pharmaceutically elegant and stable formulation. In the present study, nanocapsules of DHA from microalgae oil were prepared using different combinations of wall materials (carbohydrates, polymers, gum and proteins). The encapsulation using spray drying was done to prepare a pharmaceutically stable DHA formulation...
March 16, 2018: Food & Function
Milad Moloudizargari, Esmaeil Mortaz, Mohammad Hossein Asghari, Ian M Adcock, Frank A Redegeld, Johan Garssen
Omega-3 polyunsaturated fatty acids (PUFAs) have well established anti-cancer properties. Eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) are among this biologically active family of macromolecules for which various anti-cancer effects have been explained. These PUFAs have a high safety profile and can induce apoptosis and inhibit growth of cancer cells both in vitro and in vivo , following a partially selective manner. They also increase the efficacy of chemotherapeutic agents by increasing the sensitivity of different cell lines to specific anti-neoplastic drugs...
February 20, 2018: Oncotarget
Kana Ide, Masaya Koshizaka, Hirotake Tokuyama, Takahiko Tokuyama, Takahiro Ishikawa, Yoshiro Maezawa, Minoru Takemoto, Koutaro Yokote
BACKGROUND: Patients with type 2 diabetes are at high risk for cardiovascular disease. Although hydroxymethylglutaryl-CoA reductase inhibitors (statins) can reduce cardiovascular events, residual risk remains even after target low-density lipoprotein cholesterol (LDL-C) levels have been achieved. Lipoprotein particle size and fraction changes are thought to contribute to such risks. The purpose of this study was to evaluate the effects of n-3 polyunsaturated fatty acids (n-3 PUFAs), predominantly eicosapentaenoic acid and docosahexaenoic acid, on lipoprotein particle size, concentration, and glycemic control in Japanese patients with type 2 diabetes and hypertriglyceridemia...
March 15, 2018: Lipids in Health and Disease
Marco M Manni, Marion L Tiberti, Sophie Pagnotta, Hélène Barelli, Romain Gautier, Bruno Antonny
Phospholipid membranes form cellular barriers but need to be flexible enough to divide by fission. Phospholipids generally contain a saturated fatty acid (FA) at position sn1 whereas the sn2 -FA is saturated, monounsaturated or polyunsaturated. Our understanding of the impact of phospholipid unsaturation on membrane flexibility and fission is fragmentary. Here, we provide a comprehensive view of the effects of the FA profile of phospholipids on membrane vesiculation by dynamin and endophilin. Coupled to simulations, this analysis indicates that: (i) phospholipids with two polyunsaturated FAs make membranes prone to vesiculation but highly permeable; (ii) asymmetric sn1 -saturated- sn2 -polyunsaturated phospholipids provide a tradeoff between efficient membrane vesiculation and low membrane permeability; (iii) When incorporated into phospholipids, docosahexaenoic acid (DHA; omega-3) makes membranes more deformable than arachidonic acid (omega-6)...
March 15, 2018: ELife
Min Wen, Lin Ding, Lingyu Zhang, Peixu Cong, Tiantian Zhang, Jie Xu, Yaoguang Chang, Yuming Wang, Changhu Xue
Abundant studies have highlighted the protective effects of docosahexaenoic acid (DHA), in the form of glycerolipids (glycerophosphatides and triglycerides) and DHA-ethyl esters (DHA-EE) in Alzheimer's disease (AD); however, eicosapentaenoic acid (EPA) has rarely been implicated. In the present study, we compared the effects of dietary EPA in the form of phosphatidylcholine (EPA-PC) and EE with DHA-EE (DHA/EPA = 60 mg kg-1 d-1 , i.g., 20 days) on cognitive deficits in AD rats. EPA-PC, rather than EPA-EE, significantly improved Aβ-induced cognitive impairment and has a comparable effect with DHA-EE...
March 15, 2018: Food & Function
M I Gladyshev
For the first time, the quantity of protectors of cardiovascular deceases-omega-3 polyunsaturated fatty acids, eicosapentaenoic (20:5n-3, EPA) and docosahexaenoic (22:6n-3, DHA), obtained through fish (Eurasian perch) catch in water bodies of different trophic status was determined. A formula was drawn to calculate the quantity of obtained EPA + DHA (kg km-2 year-1 ) depending on the concentration of total phosphorus in water. It is found that the maximum quantity of EPA + DHA can be obtained by humans from fish caught in mesotrophic water bodies...
January 2018: Doklady. Biochemistry and Biophysics
Marihan Lansing, Yves Sauvé, Ioannis Dimopoulos, Catherine J Field, Miyoung Suh, Pamela Wizzard, Susan Goruk, David Lim, Mitsuru Muto, Paul Wales, Justine Turner
BACKGROUND: A dietary supply of docosahexaenoic acid (DHA) and arachidonic acid (AA) is critical for neonatal retinal development. Both are absent/minimal in parenteral nutrition (PN) using soy-oil emulsions ([SO] Intralipid®) traditionally used for neonatal intestinal failure. In contrast, fish-oil emulsions ([FO] Omegaven®) are enriched in DHA/AA. The aim of this study was to compare retinal function and fatty acid content in neonatal piglets fed PN with SO or FO. METHODS: Two-5-day-old piglets were randomly allocated to SO (n = 4) or FO (n = 4), provided at equivalent doses (5g/kg/d)...
March 13, 2018: JPEN. Journal of Parenteral and Enteral Nutrition
John Parker, Amanda N Schellenberger, Amy L Roe, Hellen Oketch-Rabah, Angela I Calderón
The attraction of novel foods proceeds alongside epidemic cardiovascular disease, diabetes, obesity, and related risk factors. Dieticians have identified chia ( Salvia hispanica ) as a product with a catalog of potential health benefits relating to these detriments. Chia is currently consumed not only as seeds, but also as oil, which brings about similar effects. Chia seeds and chia seed oil are used mainly as a food commodity and the oil is also used popularly as a dietary ingredient used in various dietary supplements available in the U...
March 13, 2018: Planta Medica
Sami Johan Taipale, Kimmo Kalevi Kahilainen, Gordon William Holtgrieve, Elina Talvikki Peltomaa
The first few months of life is the most vulnerable period for fish and their optimal hatching time with zooplankton prey is favored by natural selection. Traditionally, however, prey abundance (i.e., zooplankton density) has been considered important, whereas prey nutritional composition has been largely neglected in natural settings. High-quality zooplankton, rich in both essential amino acids (EAAs) and fatty acids (FAs), are required as starting prey to initiate development and fast juvenile growth. Prey quality is dependent on environmental conditions, and, for example, eutrophication and browning are two major factors defining primary producer community structures that will directly determine the nutritional quality of the basal food sources (algae, bacteria, terrestrial matter) for zooplankton...
March 2018: Ecology and Evolution
Mouokeu Raymond Simplice, Womeni Hilaire Macaire, Njike Ngamga Fabrice Hervé, Tonfack Djikeng Fabrice, Djopnang DJimbie Justin, Tchoumbougnang François, Kuiate Jules-Roger
BACKGROUNDS: Oils of fish origin are a very rich source of Omega - 3 and Omega - 6 fatty acids. They have been suggested to provide numerous health benefits for humans involving antimicrobial properties. Chrysichthys nigrodigitatus and Hepsetus odoe are two fishes well known in Cameroon. The chemical composition and the antibacterial activity of these fishes derived oils are unknown. The study was designed to valorise C. nigrodigitatus and H.s odoe oils activity against food poisoning bacteria...
March 12, 2018: Lipids in Health and Disease
Jannike Øyen, Ingrid Kvestad, Lisa Kolden Midtbø, Ingvild Eide Graff, Mari Hysing, Kjell Morten Stormark, Maria Wik Markhus, Valborg Baste, Livar Frøyland, Berthold Koletzko, Hans Demmelmair, Lisbeth Dahl, Øyvind Lie, Marian Kjellevold
BACKGROUND: Marine resources including fatty fish are important sources of n-3 long chain polyunsaturated fatty acids (n-3 LC-PUFAs), which are important for brain development. To our knowledge, this is the first randomized controlled trial (RCT) investigating the impact of fatty fish on cognition in preschool children. The purpose of the trial was to investigate whether an increased intake of fatty fish compared to meat improves cognitive function in children 4-6 years old. METHODS: The children (n = 232) in this two-armed RCT, Fish Intervention Studies-KIDS (FINS-KIDS) were recruited from 13 kindergartens in Bergen, Norway...
March 12, 2018: BMC Medicine
Olivia I Okereke, Charles F Reynolds, David Mischoulon, Grace Chang, Nancy R Cook, Trisha Copeland, Georgina Friedenberg, Julie E Buring, JoAnn E Manson
RATIONALE: Depression is a leading cause of disease burden and disability for older adults; thus, prevention is a priority. Biologic and observational data support potential mental health benefits of vitamin D and omega-3 fatty acids; however, it is unclear whether these supplements can prevent late-life depression. DESIGN: We describe the novel methodology of a large-scale prevention study: VITAL-DEP (VITamin D and OmegA-3 TriaL-Depression Endpoint Prevention), an ancillary to the VITAL trial...
March 8, 2018: Contemporary Clinical Trials
Nodumo Nokulunga Zulu, Krzysztof Zienkiewicz, Katharina Vollheyde, Ivo Feussner
Diatoms are the most dominant phytoplankton species in oceans and they continue to receive a great deal of attention because of their significant contributions in ecosystems and the environment. Due to triacylglycerol (TAG) profiles that are abundant in medium-chain fatty acids, diatoms have emerged to be better feed stocks for biofuel production, in comparison to the commonly studied green microalgal species (chlorophytes). Importantly, diatoms are also known for their high levels of the essential ω3 fatty acids, eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) and are considered to be a promising alternative source of these components...
March 7, 2018: Progress in Lipid Research
Kelly W Sheppard, Carol L Cheatham
BACKGROUND: Omega-6 and omega-3 fatty acids (FAs) and their ratio have been shown to affect cognitive function in children and older adults. With these analyses, we aimed to describe omega-6 and omega-3 FA intake among children and older adults in light of FA intake recommendations and with consideration of overall diet. METHODS: Data were merged from two cross-sectional studies with 219 children 7 to 12 years old and one longitudinal study with 133 adults 65 to 79 years old...
March 9, 2018: Lipids in Health and Disease
Jens Lund, Lesli Hingstrup Larsen, Lotte Lauritzen
Numerous studies have shown that feeding rodents n-3 polyunsaturated fatty acids attenuates adiposity. Moreover, meta-analyses of human dietary intervention studies indicate that fish oil (eicosapentaenoic and docosahexaenoic acid) supplementation might reduce waist circumference. A recent line of research suggests that browning of white adipose depots and activation of uncoupled respiration in brown fat contributes to these effects. This mini-review summarizes the observations in rodents, highlights several mechanisms that might explain these observations and discusses the translational potential...
March 9, 2018: Adipocyte
Stewart Forsyth, Philip C Calder, Francis Zotor, Paul Amuna, Barbara Meyer, Bruce Holub
BACKGROUND: A wealth of information on the functional roles of docosahexaenoic acid (DHA) and arachidonic acid (ARA) from cellular, animal, and human studies is available. Yet, there remains a lack of cohesion in policymaking for recommended dietary intakes of DHA and ARA in early life. This is predominantly driven by inconsistent findings from a relatively small number of randomised clinical trials (RCTs), which vary in design, methodology, and outcome measures, all of which were conducted in high-income countries...
March 8, 2018: Annals of Nutrition & Metabolism
Aleksander Siniarski, Maciej Haberka, Magdalena Mostowik, Renata Gołębiowska-Wiatrak, Małgorzata Poręba, Krzysztof Piotr Malinowski, Zbigniew Gąsior, Ewa Konduracka, Jadwiga Nessler, Grzegorz Gajos
BACKGROUND AND AIMS: Numerous recent studies conducted in different clinical settings have focused on the benefits of omega-3 polyunsaturated fatty acids (n-3 PUFAs) in the prevention of cardiovascular diseases. There is limited evidence that patients with type 2 diabetes (T2D) and very high cardiovascular risk can also benefit from a high dose of n-3PUFAs, especially those on optimal medical therapy as recommended by the guidelines. The aim of the present study was to assess the impact of high-dose n-3 PUFA treatment on endothelial function in patients with T2D and established atherosclerotic cardiovascular disease (ASCVD)...
March 2, 2018: Atherosclerosis
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