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https://www.readbyqxmd.com/read/29143841/ionic-liquids-as-stationary-phases-for-fatty-acid-analysis-by-gas-chromatography
#1
REVIEW
C Fanali, G Micalizzi, P Dugo, L Mondello
The present paper provides an overview of the application of ionic liquid (IL) columns for GC analysis of fatty acid methyl esters (FAMEs). Although their separation can be carried out utilizing GC columns containing polar stationary phases, some ILs have been employed as stationary phases, either commercial or laboratory made, in GC analysis. Monodimensional and bidimensional GC methods have been optimized in order to achieve the best separation especially considering the geometric and positional isomers of unsaturated fatty acids...
November 16, 2017: Analyst
https://www.readbyqxmd.com/read/29117618/the-effects-of-flaxseed-oil-omega-3-fatty-acids-supplementation-on-metabolic-status-of-patients-with-polycystic-ovary-syndrome-a-randomized-double-blind-placebo-controlled-trial
#2
Golara Mirmasoumi, Mohammad Fazilati, Fatemeh Foroozanfard, Zahra Vahedpoor, Samaneh Mahmoodi, Mohsen Taghizadeh, Nazanin Kazemi Esfeh, Maryam Mohseni, Hassan Karbassizadeh, Zatollah Asemi
Objective This study was conducted to evaluate the effects of flaxseed oil omega-3 fatty acids supplementation on metabolic status of patients with polycystic ovary syndrome (PCOS). Methods This randomized double-blind, placebo-controlled trial was conducted on 60 women with PCOS according to the Rotterdam criteria aged 18-40 years old. Participants were randomly assigned into two groups to receive either 1,000 mg flaxseed oil omega-3 fatty acids (n=30) or placebo (n=30) twice a day for 12 weeks. Metabolic, endocrine, inflammatory factors were quantified at baseline and after the 12-week intervention...
November 8, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/29116353/use-of-qnmr-for-speciation-of-flaxseeds-linum-usitatissimum-and-quantification-of-cyanogenic-glycosides
#3
Romain Roulard, Jean-Xavier Fontaine, Arash Jamali, Dominique Cailleu, Reynald Tavernier, Xavier Guillot, Larbi Rhazi, Emmanuel Petit, Roland Molinie, François Mesnard
This report describes a routine method taking less than 20 min to quantify cyanogenic glycosides such as linustatin and neolinustatin from flaxseeds (Linum usitatissimum L.) using (1)H nuclear magnetic resonance. After manual dehulling, a higher linustatin content was shown in the almond fraction, while neolinustatin and total cyanogenic glycoside contents were significantly higher in hulls. Linustatin and neolinustatin were quantified in seven cultivars grown in two locations in three different years. Linustatin, neolinustatin, and total cyanogenic glycosides ranged between 91 and 267 mg/100 g, 78-272 mg/100 g, and 198-513 mg/100 g dry weight flaxseeds, respectively...
November 7, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/29114553/compare-the-effect-of-flaxseed-evening-primrose-oil-and-vitamin-e-on-duration-of-periodic-breast-pain
#4
Farzaneh Jaafarnejad, Elham Adibmoghaddam, Seyyed Ahmad Emami, Azadeh Saki
BACKGROUND: Breast periodic pain is the most common disorder of the breast which leads to consultation with knowledgeable people like a midwife. The aim of this study was to compare the therapeutic effect of flaxseed, evening primrose oil, and Vitamin E on the duration of the period of breast pain. MATERIALS AND METHODS: This study is a quasi-randomized clinical trial conducted in 2015 on ninety patients complaining of breast periodic pain referring to Gynecologic Clinics of Ghaem Hospital or residents living in dormitories of Mashhad University of Medical Sciences...
2017: Journal of Education and Health Promotion
https://www.readbyqxmd.com/read/29112793/effect-of-partially-replacing-a-barley-based-concentrate-with-flaxseed-based-products-on-the-rumen-bacterial-population-of-lactating-holstein-dairy-cows
#5
E Castillo-Lopez, J Moats, N D Aluthge, H A Ramirez Ramirez, D A Christensen, T Mutsvangwa, G B Penner, S C Fernando
AIMS: The effects of partial replacement of a barley-based concentrate with flaxseed-based products on the rumen bacterial population of lactating Holstein dairy cows were evaluated. METHODS AND RESULTS: Treatments fed were CONT, a normal diet that included barley silage, alfalfa hay, and a barley-based concentrate that contained no flaxseed or faba beans; FLAX, inclusion of a non-extruded flaxseed-based product containing 55.0% flaxseed, 37.8% field peas and 6...
November 7, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/29101172/flaxseed-its-bioactive-components-and-their-cardiovascular-benefits
#6
Mihir Parikh, Thomas Netticadan, Grant N Pierce
Cardiovascular disease remains the leading cause of mortality and morbidity world-wide. The inclusion of functional foods and natural health products in the diet are gaining increasing recognition as integral components of lifestyle changes in the fight against cardiovascular disease. Several preclinical and clinical studies have shown the beneficial cardiovascular effects of dietary supplementation with flaxseed. The cardiovascular effects of dietary flaxseed have included an anti-hypertensive action, anti-atherogenic effects, a lowering of cholesterol, an anti-inflammatory action and an inhibition of arrhythmias...
November 3, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29089855/solid-state-fermentation-reduces-phytic-acid-level-improves-the-profile-of-myo-inositol-phosphates-and-enhances-the-availability-of-selected-minerals-in-flaxseed-oil-cake
#7
Robert Duliński, Bożena Stodolak, Łukasz Byczyński, Aleksander Poreda, Anna Starzyńska-Janiszewska, Krzysztof Żyła
Flaxseed oil cake was subjected to fermentation with Rhizopus oligosporus (DSM 1964 and ATCC 64063), and the phytate (InsP6) content, myo-inositol phosphate profile and in vitro bioavailability of essential minerals were studied. Flaxseed oil cake had a phytate mass fraction of 13.9 mg/g. A 96-hour fermentation of flaxseed oil cake by R. oligosporus DSM 1964 and R. oligosporus ATCC 64063 decreased the InsP6 content by 48 and 33%, respectively. The strains had different phytate-degrading activities: fermentation of flaxseed oil cake with R...
September 2017: Food Technology and Biotechnology
https://www.readbyqxmd.com/read/29083494/protective-role-of-flaxseed-oil-and-flaxseed-lignan-secoisolariciresinol-diglucoside-against-oxidative-stress-in-rats-with-metabolic-syndrome
#8
Bruna Pilar, Angélica Güllich, Patrícia Oliveira, Deise Ströher, Jacqueline Piccoli, Vanusa Manfredini
This study evaluated the protective effect of flaxseed oil (FO) and flaxseed lignan secoisolariciresinol diglucoside (SDG) against oxidative stress in rats with metabolic syndrome (MS). 48 rats were allocated into the following 6 groups: Groups 1 (control), 5 (FO), and 6 (SDG) received water and were treated daily orally with saline, FO, and SDG, respectively. Groups 2 (MS), 3 (MS+FO), and 4 (MS+SDG) received 30% fructose in drinking water for MS induction and were treated daily orally with saline, FO, and SDG, respectively...
October 30, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/29081885/dietary-flaxseed-oil-prevents-western-type-diet-induced-nonalcoholic-fatty-liver-disease-in-apolipoprotein-e-knockout-mice
#9
Hao Han, Fubin Qiu, Haifeng Zhao, Haiying Tang, Xiuhua Li, Dongxing Shi
The prevalence of nonalcoholic fatty liver disease (NAFLD) has dramatically increased globally during recent decades. Intake of n-3 polyunsaturated fatty acids (PUFAs), mainly eicosapentaenoic acid (EPA, C20:5n-3) and docosahexaenoic acid (DHA, C22:6n-3), is believed to be beneficial to the development of NAFLD. However, little information is available with regard to the effect of flaxseed oil rich in α-linolenic acid (ALA, C18:3n-3), a plant-derived n-3 PUFA, in improving NAFLD. This study was to gain the effect of flaxseed oil on NAFLD and further investigate the underlying mechanisms...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29074535/flaxseed-consumption-inhibits-chemically-induced-lung-tumorigenesis-and-modulates-expression-of-phase-ii-enzymes-and-inflammatory-cytokines-in-a-j-mice
#10
Shireen Chikara, Sujan Mamidi, Avinash Sreedasyam, Kishore Chittem, Ralph Pietrofesa, Athena Zuppa, Ganesh Moorthy, Neil Dyer, Melpo Christofidou-Solomidou, Katie M Reindl
Flaxseed consumption is associated with reduced oxidative stress and inflammation in lung injury models, and has shown anti-cancer effects for breast and prostate tissues. However, the chemopreventive potential of flaxseed remains unexplored for lung cancer. In this study, we investigated the effect of flaxseed on tobacco smoke carcinogen (NNK)-induced lung tumorigenesis in an A/J mouse model. Mice exposed to NNK were fed a control diet or a 10% flaxseed-supplemented diet for 26 weeks. Flaxseed-fed mice showed reduced lung tumor incidence (78%) and multiplicity, with an average of 2...
October 26, 2017: Cancer Prevention Research
https://www.readbyqxmd.com/read/29064409/effect-of-altering-dietary-n-6-n-3-polyunsaturated-fatty-acid-ratio-with-plant-and-marine-based-supplement-on-biomarkers-of-bone-turnover-in-healthy-adults
#11
Sujatha Rajaram, Ellen Lan Yip, Rajneesh Reghunathan, Subburaman Mohan, Joan Sabaté
Although there is accumulating evidence for a protective role of n-3 polyunsaturated fatty acids (n-3 PUFAs) on bone health, there are limited studies that examine the effect of altering dietary n-6:n-3 PUFA ratio with plant and marine sources of n-3 PUFA on bone health. Healthy adults (n = 24) were randomized into an eight-week crossover study with a four-week washout between treatments, with each subject consuming three of four diets. The four diets differed in the dietary n-6:n-3 PUFA ratios and either had an algal oil supplement added or not: (Control diet (10:1); α-linolenic acid (ALA) diet (2:1); Eicosapentaenoic acid/Docosahexaenoic acid (EPA/DHA) diet (10:1 plus supplement (S) containing EPA/DHA; Combination diet (2:1 + S))...
October 24, 2017: Nutrients
https://www.readbyqxmd.com/read/29051664/status-of-the-bioactive-phytoceuticals-during-deep-fat-frying-of-snack-food-using-nutra-coconut-oil
#12
M Maneesh Kumar, Sheema Faiza, Sukumar Debnath, Nasirullah
The present study was carried out to study the physico-chemical changes that take place in both product and oil during the deep fat frying of a traditional savoury snack 'kodubale', at 120-160 °C for 120-600 s using coconut oil (CO) and nutra-coconut oil (NCO). Further, kinetic studies on moisture loss, oil uptake, color and degradation of β-carotene, total polyphenol content and antioxidant activity for kodubale was carried out during frying as a function of temperature and time. The study showed that the kinetic coefficients for above parameters increased with temperature and time and the data obtained were well fitted with first order kinetic model...
October 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/29029040/herbacetin-suppresses-cutaneous-squamous-cell-carcinoma-and-melanoma-cell-growth-by-targeting-akt-and-odc
#13
Dong Joon Kim, Mee-Hyun Lee, KangDong Liu, Do Young Lim, Eunmiri Roh, Hanyong Chen, Sung-Hyun Kim, Jung-Hyun Shim, Myoung Ok Kim, Wenwen Li, Fayang Ma, Mangaladoss Fredimoses, Ann M Bode, Zigang Dong
Herbacetin is a flavonol compound that is found in plants such as flaxseed and ramose scouring rush herb, it possesses a strong antioxidant capacity, and exerts anticancer effects on colon and breast cancer. However, the effect of herbacetin on skin cancer has not been investigated. Herein, we identified herbacetin as a dual V-akt murine thymoma viral oncogene homolog (AKT) and ornithine decarboxylase (ODC) inhibitor, and illustrated its anticancer effects in vitro and in vivo against cutaneous squamous cell carcinoma (SCC) and melanoma cell growth...
October 26, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/29023751/the-use-of-factorial-design-to-evaluate-the-oxidation-of-oils-containing-different-types-of-omega-3-fatty-acids
#14
Thamyris Dias Fabiano Agnes, Gabriela Grassmann Roschel, Inar Alves Castro
N3 FA promote beneficial effects on cardiovascular diseases, but they are highly susceptible to oxidation, which leads to the formation of potentially toxic secondary products. In this study, the antioxidant capacity of natural compounds (sinapic acid and rutin) was evaluated using an accelerated model to oxidize the oils. Five inducers (Temperature, Fe(2+) , AAPH, Ascorbyl palmitate and AMVN) were combined in a factorial design to accelerate the oxidation of three oils (flaxseed, echium and fish) containing different sources of n3 FA...
October 11, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28992014/the-digestible-energy-metabolizable-energy-and-net-energy-content-of-dietary-fat-sources-in-thirteen-and-fifty-kilogram-pigs
#15
T A Kellner, J F Patience
The objective was to determine the energy concentration of a diverse array of dietary fat sources and, from these data, develop regression equations that explain differences based on chemical composition. A total of 120 Genetiporc 6.0 × Genetiporc F25 (PIC, Inc., Hendersonville, TN) individually housed barrows were studied for 56 d. These barrows (initial BW of 9.9 ± 0.6 kg) were randomly allotted to 1 of 15 dietary treatments. Each experimental diet included 95% of a corn-soybean meal basal diet plus 5% either corn starch or 1 of 14 dietary fat sources...
September 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28988484/flaxseed-oil-alleviates-chronic-hfd-induced-insulin-resistance-through-remodeling-lipid-homeostasis-in-obese-adipose-tissue
#16
Xiao Yu, Yuhan Tang, Peiyi Liu, Lin Xiao, Liegang Liu, Ruiling Shen, Qianchun Deng, Ping Yao
Emerging evidence suggests that higher circulating long-chain n-3 polyunsaturated fatty acids (n-3PUFA) levels were intimately associated with lower prevalence of obesity and insulin resistance. However, the understanding of bioactivity and potential mechanism of α-linolenic acid-rich flaxseed oil (ALA-FO) against insulin resistance was still limited. This study evaluated the effect of FO on high-fat diet (HFD)-induced insulin resistance in C57BL/6J mice focused on adipose tissue lipolysis. Mice after HFD feeding for 16 weeks (60% fat-derived calories) exhibited systemic insulin resistance, which was greatly attenuated by medium dose of FO (M-FO), paralleling with differential accumulation of ALA and its n-3 derivatives across serum lipid fractions...
October 25, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28968554/quality-evaluation-of-low-fat-bologna-type-meat-product-with-a-nutritional-profile-designed-for-the-elderly
#17
Elizabeth Reyes-Padilla, Martín Valenzuela-Melendres, Juan Pedro Camou, Joseph G Sebranek, Heliodoro Alemán-Mateo, José Luis Dávila-Ramírez, German Cumplido-Barbeitia, Humberto González-Ríos
The objective of this work was to evaluate the quality of a bologna-type meat product designed for the elderly. Treatments were: control, without addition of cranberries (C), prunes (P), pecan nuts (N) or flaxseed (F); NP, with 5% N+5% P; FC, with 5% F+5% C; NC, with 5% N+5% C; FP, with 5% F+5% P. These formulations resulted in a product with high protein, low SFA and high antioxidant activity. Treatments with pecan nuts had higher MUFA while those with flaxseed had higher polyunsaturated fatty acids (PUFA)...
January 2018: Meat Science
https://www.readbyqxmd.com/read/28954552/nutritional-and-sensory-challenges-of-gluten-free-bakery-products-a-review
#18
Sophie E Stantiall, Luca Serventi
There is a growing need for gluten-free bakery products. Currently, gluten-free bakery products deliver lower protein, fibre and mineral content and elevated glycaemic index (GI) than gluten-containing foods. Only a mixture of rice and buckwheat flour or a low addition of either egg white or whey protein, has shown potential for the improvement of both nutrition and sensory qualities. To increase the fibre content, isolated cereal fibre and soluble fibre isolates have been incorporated into gluten-free formulations with some sensory success...
September 28, 2017: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/28946329/comparison-of-the-effect-of-sinapic-and-ferulic-acids-derivatives-4-vinylsyringol-vs-4-vinylguaiacol-as-antioxidants-of-rapeseed-flaxseed-and-extra-virgin-olive-oils
#19
COMPARATIVE STUDY
Małgorzata Tańska, Natalia Mikołajczak, Iwona Konopka
The aim of the work is to compare the antioxidant activity of 4-vinylguaiacol (4-VQ) and 4-vinylsyringol (4-VS) added to stabilize three (flaxseed, olive and rapeseed) commercial oils. The phenolics were added at concentration of 20, 40 and 80mg per 100g of oil. The oils were oxidized in a Rancimat test at 110°C. The linear dependences between the concentrations of each of these compounds and the induction period (IP) were found. Generally, 4-VQ was more effective, since the determined IP increase after its addition was from 5 to 25-fold higher than for the same addition of 4-VS...
February 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/28940033/in-vitro-effect-of-flaxseed-oil-and-%C3%AE-linolenic-acid-against-the-toxicity-of-lipopolysaccharide-lps-to-human-umbilical-vein-endothelial-cells
#20
Yuexin Shen, Gui Chen, Aiping Xiao, Yixi Xie, Liangliang Liu, Yi Cao
Consumption of α-linolenic acid (ALA)-rich flaxseed oil is a possible way to supplement ω-3 polyunsaturated fatty acids, but the beneficial effects to cardiovascular systems are still controversial. In this study, human umbilical vein endothelial cells (HUVECs) treated with 100 ng/mL lipopolysaccharide (LPS) were used as the in vitro model and the potential beneficial effects of well-characterized flaxseed oil and ALA were studied. Exposure of HUVECs to LPS for 24 h significantly promoted inflammatory response as release of interleukin 6 (IL-6), soluble intercellular cell adhesion molecule-1 (sICAM-1) and soluble vascular cell adhesion molecule 1 (sVCAM-1) as well as adhesion of THP-1 monocytes, but did not induce cytotoxicity or oxidative stress...
September 22, 2017: Inflammopharmacology
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