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Narges Sadeghi, Farnoush Paknezhad, Mohamadreza Rashidi Nooshabadi, Maria Kavianpour, Sima Jafari Rad, Hossein Khadem Haghighian
Primary dysmenorrhea is one of the most common complaints of women. The aim of this study was to investigate the adjuvant effect of vitamin E and omega-3 fatty acids, separately or in combination, supplements on pain in the treatment of primary dysmenorrhea. This clinical trial conducted on students of university. Qualified girls completed the VAS before randomization. Arrangement was determined according to the severity of the pain (mild 0-3; moderate 3.1-6; severe 6.1-10). One hundred patients were randomly assigned to four groups receiving omega-3 (n = 25), vitamin E (n = 25), vitamin E- omega-3 (n = 25), or placebo (n = 25)...
March 15, 2018: Gynecological Endocrinology
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
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
Agnieszka Wendołowicz, Ewa Stefańska, Lucyna Ostrowska
The diet is directly connected not only with the physical status but also with the functioning of the brain and the mental status. The potentially beneficial nutrients with a protective effect on the nervous system function include amino acids (tryptophan, phenylalanine, tyrosine, taurine), glucose and vitamins C, E, D and beta-carotene, B group vitamins (vitamin B12, vitamin B6, vitamin B4, vitamin B1) and minerals (selenium, zinc, magnesium, sodium, iron, copper, manganese, iodine). The presence of antioxidants in the diet protects against oxidative damage to nervous system cells...
2018: Roczniki Państwowego Zakładu Higieny
Nini H Sissener
'Are we what we eat?' Yes and no. Although dietary fat affects body fat, there are many modifying mechanisms. In Atlantic salmon, there is a high level of retention of the n-3 fatty acid (FA) docosahexaenoic acid (DHA, 22:6n-3) relative to the dietary content, whereas saturated FAs never seem to increase above a specified level, which is probably an adaptation to low and fluctuating body temperature. Net production of eicosapentaenoic acid (EPA, 20:5n-3) and especially DHA occurs in salmon when dietary levels are low; however, this synthesis is not sufficient to maintain EPA and DHA at similar tissue levels to those of a traditional fish oil-fed farmed salmon...
March 7, 2018: Journal of Experimental Biology
Huiling Zhu, Haibo Wang, Shuhui Wang, Zhixiao Tu, Lin Zhang, Xiuying Wang, Yongqing Hou, Chunwei Wang, Jie Chen, Yulan Liu
SCOPE: Flaxseed oil is a rich source of α-linolenic acid (ALA), which is the precursor of the long-chain n-3 polyunsaturated fatty acids (PUFAs) including docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA). This study investigated the protective effect of flaxseed oil against intestinal injury induced by lipopolysaccharide (LPS). MATERIALS AND RESULTS: Twenty-four weaned pigs were used in a 2 × 2 factorial experiment with dietary treatment (5% corn oil vs...
March 6, 2018: Molecular Nutrition & Food Research
P H Mello, B C Araújo, M F Campos, J A Rodrigues-Filho, C E O Garcia, R G Moreira
Development, ontogeny of the digestive system and the fatty-acid (FA) profile, were analysed during development of Epinephelus marginatus. Larvae were analysed 7 and 17 days post fertilization (dpf) to evaluate fatty-acid profile and morphological variables, respectively. Epinephelus marginatus larvae have relatively slow development of digestive structures, but were able to capture, ingest and digest prey by 5 dpf. Eggs were composed of high percentages of polyunsaturated fatty acids (PUFA) in phospholipids...
March 5, 2018: Journal of Fish Biology
Pia Steinrücken, Siv Kristin Prestegard, Jeroen Hendrik de Vree, Julia E Storesund, Bernadette Pree, Svein Are Mjøs, Svein Rune Erga
Microalgae could provide a sustainable alternative to fish oil as a source for the omega-3 polyunsaturated fatty acids eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). However, growing microalgae on a large-scale is still more cost-intensive than fish oil production, and outdoor productivities vary greatly with reactor type, geographic location, climate conditions and microalgae species or even strains. The diatom Phaeodactylum tricornutum has been intensively investigated for its potential in large-scale production, due to its robustness and comparatively high growth rates and EPA content...
March 2018: Algal Research
Bianca Scolaro, Marina S Nogueira, Aline Paiva, Adriana Bertolami, Lucia P Barroso, Tomas Vaisar, Sean P Heffron, Edward A Fisher, Inar A Castro
OBJECTIVE: Statin intolerance, whether real or perceived, is a growing issue in clinical practice. Our aim was to evaluate the effects of reduced-dose statin therapy complemented with nutraceuticals. METHODS: First phase: Initially, 53 type 2 diabetic statin-treated patients received a supplementation with fish oil (1.7 g EPA + DHA/day), chocolate containing plant sterols (2.2 g/day), and green tea (two sachets/day) for 6 weeks. Second phase: "Good responders" to supplementation were identified after multivariate analysis (n = 10), and recruited for a pilot protocol of statin dose reduction...
February 20, 2018: Molecular Metabolism
Ganesh V Halade, Laurence M Black, Mahendra Kumar Verma
Fatty acid drug discovery (FADD) is defined as the identification of novel, specialized bioactive mediators that are derived from fatty acids and have precise pharmacological/therapeutic potential. A number of reports indicate that dietary intake of omega-3 fatty acids and limited intake of omega-6 promotes overall health benefits. In 1929, Burr and Burr indicated the significant role of essential fatty acids for survival and functional health of many organs. In reference to specific dietary benefits of differential omega-3 fatty acids, docosahexaenoic and eicosapentaenoic acids (DHA and EPA) are transformed to monohydroxy, dihydroxy, trihydroxy, and other complex mediators during infection, injury, and exercise to resolve inflammation...
February 27, 2018: Biotechnology Advances
Samaneh Ghasemi Fard, Fenglei Wang, Andrew J Sinclair, Glenn Elliott, Giovanni M Turchini
The health benefits of fish oil, and its omega-3 long chain polyunsaturated fatty acid content, have attracted much scientific attention in the last four decades. Fish oils that contain higher amounts of eicosapentaenoic acid (EPA; 20:5n-3) than docosahexaenoic acid (DHA; 22:6n-3), in a distinctive ratio of 18/12, are typically the most abundantly available and are commonly studied. Although the two fatty acids have traditionally been considered together, as though they were one entity, different physiological effects of EPA and DHA have recently been reported...
March 1, 2018: Critical Reviews in Food Science and Nutrition
Pablo Torres-Vergara, Jeffrey Penny
OBJECTIVES: The effects of anti-inflammatory glucocorticoids dexamethasone (DX) and hydrocortisone (HC), pro-inflammatory cytokine interleukin-1β (IL-1β) and dietary long-chain polyunsaturated fatty acids (PUFAs) on expression and activity of the ATP-binding cassette transporter P-glycoprotein (P-GP) were studied in porcine brain endothelial cells (PBECs). METHODS: Primary PBECs were treated for 24 h with glucocorticoids, IL-1β and long-chain PUFAs. P-GP activity was determined by measuring intracellular calcein accumulation and P-GP expression by Western blotting...
March 1, 2018: Journal of Pharmacy and Pharmacology
Junko Yamaguchi, Kosaku Kinoshita, Shingo Ihara, Makoto Furukawa, Atsushi Sakurai
Background & Objectives Fatty acids (FAs) have various roles in pro-inflammatory and anti-inflammatory functions. Hypoalbuminemia is often observed in sepsis patients. An imbalance among these compounds formed from FAs caused by hypoalbuminemia may be related to increased mortality in sepsis patients. The purpose of this study was to investigate the correlations between serum albumin and FAs in sepsis and the outcome. Methods and Study Design This study was an observational investigation. The clinical and laboratory data of sepsis patients were recorded and the Sequential Organ Failure Assessment (SOFA) score was calculated at admission...
February 28, 2018: Internal Medicine
Leila Vahedi, Alireza Ostadrahimi, Fatemeh Edalati-Fard, Hossein Aslani, Azizeh Farshbaf-Khalili
Background Fish oil contains polyunsaturated fatty acids including eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) which were considered as essential fatty acids. The purpose of present study was to evaluate the effects of fish oil supplementation on maternal serum fasting blood sugar (FBS), oral glucose tolerance test (OGTT), hemoglobin (Hb), and hematocrit (Hct). Methods In this randomized triple-blind clinical trial, 150 pregnant women were allocated into two groups randomly. In the intervention group, women received one fish oil capsule daily (1,000 mg consisted of 120 mg DHA and 180 mg EPA), and control group received placebo from the end of twentieth week of pregnancy until delivery (140 capsules)...
February 28, 2018: Journal of Complementary & Integrative Medicine
Qiuju Wang, Xugan Wu, Xiaowen Long, Wangling Zhu, Tianli Ma, Yongxu Cheng
This study mainly investigated the composition of adult male Chinese mitten crab ( Eriocheir sinensis ) from four grades/sizes (Grade I: 200-249 g; Grade II: 175-199 g; Grade III: 150-174 g; Grade IV: ≤ 150 g). The results showed that the grade III crabs had the largest gonadsomatic index (GSI), which was significantly higher than the grade I and grade II crabs, no significant difference was found with the grade IV crab. Significant differences in moisture and total lipid contents were observed among various edible parts from different grades of male Eriocheir sinensis ...
March 2018: Journal of Food Science and Technology
Anne M Mendonça, Lucien G J Cayer, Samantha D Pauls, Tanja Winter, Shan Leng, Carla G Taylor, Peter Zahradka, Harold M Aukema
Dietary EPA and DHA given together alter oxylipins in adipose tissue. To compare the separate effects of individual dietary n-3 PUFA on oxylipins in different adipose depots (gonadal, mesenteric, perirenal, subcutaneous) in males and females, rats were provided diets containing higher levels of α-linolenic acid (ALA), EPA or DHA. Each n-3 PUFA enhanced its respective oxylipins the most, while effects on other n-3 oxylipins varied. For example: in perirenal and subcutaneous depots, more DHA oxylipins were higher with dietary ALA than with EPA; dietary EPA uniquely decreased 14-hydroxy-docosahexaenoic acid, in contrast to increasing many other DHA oxylipins...
February 2018: Prostaglandins, Leukotrienes, and Essential Fatty Acids
Cheng-Ho Chang, Ping-Tao Tseng, Nai-Yu Chen, Pei-Chin Lin, Pao-Yen Lin, Jane Pei-Chen Chang, Feng-Yu Kuo, Jenshinn Lin, Ming-Chang Wu, Kuan-Pin Su
BACKGROUND: Omega-3 fatty acids [eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA)] are widely recommended for health promotion. Over the last decade, prescription omega-3 fatty acid products (RxOME3FAs) have been approved for medical indications. Nonetheless, there is no comprehensive analysis of safety and tolerability of RxOME3FAs so far. METHODS: A systematic review of randomized controlled trials (RCTs) was carried out based on searches in six electronic databases...
February 2018: Prostaglandins, Leukotrienes, and Essential Fatty Acids
Mostafa Moradi Sarabi, Fakhraddin Naghibalhossaini
Growing evidence suggests a role of polyunsaturated fatty acids (PUFA) in the prevention of various types of malignancy, including colorectal cancer (CRC). No published studies have yet examined the direct effect of PUFA treatment on DNA methylation in CRC cells. In this study, 5 human CRC cells were treated with 100 μM DHA, EPA, and LA for 6 days and changes in their global- and gene-specific DNA methylation status as well as expression of DNA methyl transferases (DNMT) were investigated. Cell-type specific differences in DNA methylation and expression of DNMTs were observed in PUFA-treated cells...
February 22, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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