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https://www.readbyqxmd.com/read/28918153/linseed-oil-and-dgat1-k232a-polymorphism-effects-on-methane-emission-energy-and-nitrogen-metabolism-lactation-performance-ruminal-fermentation-and-rumen-microbial-composition-of-holstein-friesian-cows
#1
S van Gastelen, M H P W Visker, J E Edwards, E C Antunes-Fernandes, K A Hettinga, S J J Alferink, W H Hendriks, H Bovenhuis, H Smidt, J Dijkstra
Complex interactions between rumen microbiota, cow genetics, and diet composition may exist. Therefore, the effect of linseed oil, DGAT1 K232A polymorphism (DGAT1), and the interaction between linseed oil and DGAT1 on CH4 and H2 emission, energy and N metabolism, lactation performance, ruminal fermentation, and rumen bacterial and archaeal composition was investigated. Twenty-four lactating Holstein-Friesian cows (i.e., 12 with DGAT1 KK genotype and 12 with DGAT1 AA genotype) were fed 2 diets in a crossover design: a control diet and a linseed oil diet (LSO) with a difference of 22 g/kg of dry matter (DM) in fat content between the 2 diets...
September 13, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28912768/linseed-oil-supplementation-of-lambs-diet-in-early-life-leads-to-persistent-changes-in-rumen-microbiome-structure
#2
Tamsin Lyons, Tommy Boland, Sean Storey, Evelyn Doyle
Diet has been shown to have a significant impact on microbial community composition in the rumen and could potentially be used to manipulate rumen microbiome structure to achieve specific outcomes. There is some evidence that a window may exist in early life, while the microbiome is being established, where manipulation through diet could lead to long-lasting results. The aim of this study was to test the hypothesis that dietary supplementation in early life will have an effect on rumen microbial composition that will persist even once supplementation is ceased...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28872363/docosahexaenoic-acid-dha-at-the-sn-2-position-of-triacylglycerols-increases-dha-incorporation-in-brown-but-not-in-white-adipose-tissue-of-hamsters
#3
Paula A Lopes, Narcisa M Bandarra, Susana V Martins, Marta S Madeira, Júlia Ferreira, José L Guil-Guerrero, José A M Prates
We hypothesised that the incorporation of docosahexaenoic acid (DHA) across adipose tissues will be higher when it is ingested as triacylglycerols (TAG) structured at the sn-2 position. Ten-week old male hamsters were allocated to 4 dietary treatments (n = 10): linseed oil (LSO-control group), fish oil (FO), fish oil ethyl esters (FO-EE) and structured DHA at the sn-2 position of TAG (DHA-SL) during 12 weeks. In opposition to the large variations found for fatty acid composition in retroperitoneal white adipose tissue (WAT), brown adipose tissue (BAT) was less responsive to diets...
September 5, 2017: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/28854755/omega-3-polyunsaturated-fatty-acids-provided-during-embryonic-development-improve-the-growth-performance-and-welfare-of-muscovy-ducks-cairina-moschata
#4
E Baéza, P Chartrin, T Bordeau, M Lessire, J M Thoby, V Gigaud, M Blanchet, A Alinier, C Leterrier
The welfare of ducks can be affected by unwanted behaviors such as excessive reactivity and feather pecking. Providing long-chain n-3 polyunsaturated fatty acids (LC n-3 PUFA) during gestation and early life has been shown to improve the brain development and function of human and rodent offspring. The aim of this study was to test whether the pecking behavior of Muscovy ducks during rearing could be reduced by providing LC n-3 PUFA during embryonic and/or post-hatching development of ducklings. Enrichment of eggs, and consequently embryos, with LC n-3 PUFA was achieved by feeding female ducks (n-3F) a diet containing docosahexaenoic (DHA) and linolenic acids (microalgae and linseed oil)...
September 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28842926/synthesis-of-novel-octyl-sinapate-to-enhance-antioxidant-capacity-of-rapeseed-linseed-oil-mixture
#5
Aleksandra Szydłowska-Czerniak, Dobrochna Rabiej, Marek Krzemiński
BACKGROUND: Lipophilization allows on formation a new functionalized antioxidants having beneficial properties compared to natural hydrophilic phenolic acids. Therefore, this work is focused on the synthesis of lipophilic antioxidants, such as: a new octyl sinapate, octyl caffeate and octyl ferulate using the modified Fischer esterification of the selected hydroxycinnamic acids with 1-octanol. RESULTS: The lipophilic octyl sinapate was obtained for the first time with satisfactory yield (83%) after column chromatography purification...
August 26, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28753670/effects-of-dietary-lipids-on-the-hepatopancreas-transcriptome-of-chinese-mitten-crab-eriocheir-sinensis
#6
Banghong Wei, Zhigang Yang, Jianyi Wang, Aqin Chen, Qiuyan Shi, Yongxu Cheng
Fish oil supplies worldwide have declined sharply over the years. To reduce the use of fish oil in aquaculture, many studies have explored the effects of fish oil substitutions on aquatic animals. To illustrate the effects of dietary lipids on Chinese mitten crab and to improve the use of vegetable oils in the diet of the crabs, 60 male juvenile Chinese mitten crabs were fed one of five diets for 116 days: fish oil (FO), soybean oil (SO), linseed oil (LO), FO + SO (1:1, FSO), and FO + LO (1:1, FLO). Changes in the crab hepatopancreas transcriptome were analyzed using RNA sequencing...
2017: PloS One
https://www.readbyqxmd.com/read/28730846/spectral-behavior-of-white-pigment-mixtures-using-reflectance-ultraviolet-fluorescence-spectroscopy-and-multispectral-imaging
#7
Lucilla Pronti, Anna Candida Felici, Matthieu Ménager, Cathy Vieillescazes, Mario Piacentini
Reflectance spectroscopy, ultraviolet (UV)-fluorescence spectroscopy, and multispectral imaging have been widely employed for pigment identification on paintings. From ancient times to the present, lead white, zinc white, and titanium white have been the most important white pigments used for paintings and they are used as pigment markers for dating a work of art. The spectral behavior of these pigments is reported in several scientific papers and websites, but those of their mixtures are quite unknown. We present a combined nondestructive approach for identifying mixtures of lead white, zinc white, and titanium white as powder and dispersed in two different binder media (egg yolk and linseed oil) by using reflectance spectroscopy, spectrofluorimetry, multispectral reflectance and UV-fluorescence imaging...
January 1, 2017: Applied Spectroscopy
https://www.readbyqxmd.com/read/28719823/supplementation-with-dietary-linseed-oil-during-peri-puberty-stimulates-steroidogenesis-and-testis-development-in-rams
#8
REVIEW
Wanhong Li, Defu Tang, Fadi Li, Huaqin Tian, Xiangpeng Yue, Fei Li, Xiuxiu Weng, Wu Sun, Weimin Wang, Futao Mo
Omega-3 polyunsaturated fatty acids (ω-3 PUFAs), such as α-linolenic acid (ALA), eicosapentaenoic acid, and docosahexaenoic acid, are involved in male reproductive function. In this study, we investigated the effects of linseed oil (LO) as a source of ALA on the steroidogenesis and changes of testicular histology in rams. Sixteen 3-month old rams during peri-puberty were randomly assigned into two groups. Eight rams were assigned as the control group, and the other received LO (4% dry matter of total diet) as the LO treatment group...
July 10, 2017: Theriogenology
https://www.readbyqxmd.com/read/28703959/effects-of-operative-conditions-on-products-obtained-of-starch-oil-mixtures-by-single-screw-extrusion
#9
Marzena Włodarczyk-Stasiak, Artur Mazurek, Jerzy Jamroz
BACKGROUND: d. The aim of the study was to evaluate the fat binding and physicochemical properties of the products under conditions of potato starch extrusion containing rapeseed or linseed oil and rapeseed oil with glycerol. METHODS: The study dealt with the extrudates of potato starch produced with the addition of rape seed or linseed oil and rapeseed oil and glycerol at 22% humidity. The extrudates were obtained at two screw speeds: 80 rpm and 100 rpm. Extrudates containing rapeseed oil and glycerol (R6G) were obtained at a temperature distribution of 115/130/150°C, while those with the participation of rapeseed oil and linseed oil were obtained at 120/135/128°C...
April 2017: Acta Scientiarum Polonorum. Technologia Alimentaria
https://www.readbyqxmd.com/read/28596764/the-structural-and-functional-capacity-of-ruminal-and-cecal-microbiota-in-growing-cattle-was-unaffected-by-dietary-supplementation-of-linseed-oil-and-nitrate
#10
Milka Popova, Emily McGovern, Matthew S McCabe, Cécile Martin, Michel Doreau, Marie Arbre, Sarah J Meale, Diego P Morgavi, Sinéad M Waters
Microorganisms in the digestive tract of ruminants differ in their functionality and ability to use feed constituents. While cecal microbiota play an important role in post-rumen fermentation of residual substrates undigested in the rumen, limited knowledge exists regarding its structure and function. In this trial we investigated the effect of dietary supplementation with linseed oil and nitrate on methane emissions and on the structure of ruminal and cecal microbiota of growing bulls. Animals were allocated to either a CTL (control) or LINNIT (CTL supplemented with 1...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28595901/purification-process-for-mufa-and-pufa-based-monoacylglycerols-from-edible-oils
#11
M J González-Fernández, R P Ramos-Bueno, I Rodríguez-García, J L Guil-Guerrero
Important health benefits have been attributed to monoacylglycerols (MAGs) due to their various physiological functions, owing to which they become candidates for use as functional foods in order to prevent the onset of certain diseases such as colon cancer. In this work, six edible oils, namely: olive, linseed, sunflower, evening primrose, DHASCO(®) and ARASCO(®) have been processed to obtain different MUFA- and PUFA- based MAGs. First, the oils were hydrolyzed by means of an enzymatic process using porcine pancreatic lipase and then the reaction products were fractionated by using a liquid chromatography column containing silica gel as stationary phase in order to purify the MAGs-enriched fraction...
August 2017: Biochimie
https://www.readbyqxmd.com/read/28565934/aceclofenac-oil-drops-characterization-and-evaluation-against-ocular-inflammation
#12
Rajesh Katara, Sameer Sachdeva, Dipak K Majumdar
Ocular inflammatory diseases, such as uveitis, scleritis, episcleritis, and dry eye syndrome are commonly treated with eye drop formulations. In the present study, attempts were made to prepare aceclofenac oil formulations to evaluate its transcorneal permeation and anti-inflammatory effect. Ophthalmic solutions of aceclofenac with or without (0.5% v/v) benzyl alcohol were formulated in different vegetable oils and permeation studies were carried out. Aceclofenac ophthalmic solution in linseed oil containing benzyl alcohol exhibited maximum permeation (4...
June 1, 2017: Pharmaceutical Development and Technology
https://www.readbyqxmd.com/read/28540734/effects-of-dietary-fat-on-the-saturated-and-monounsaturated-fatty-acid-metabolism-in-growing-pigs
#13
Stanisława Raj, Grzegorz Skiba, Monika Sobol, Barbara Pastuszewska
The effect of dietary fats differing in fatty acid (FA) composition on the metabolism of saturated FA (SFA) and monounsaturated FA (MUFA) in growing pigs was investigated. The deposition of FA in the body and the fate of individual dietary FA were assessed after slaughter. Gilts with an initial body weight (BW) of 60 kg were used as experimental animals. Six pigs were slaughtered at 60 kg BW, while further 18 pigs received three isoenergetic and isonitrogen experimental diets containing linseed oil, rapeseed oil or beef tallow at 50 g/kg diet until they reached 105 kg (six pigs per group)...
August 2017: Archives of Animal Nutrition
https://www.readbyqxmd.com/read/28530614/effect-of-traditional-chinese-cooking-methods-on-fatty-acid-profiles-of-vegetable-oils
#14
Yamin Cui, Pengfei Hao, Bingjie Liu, Xianghong Meng
The effect of four frying processes (vegetable salad, stir frying, pan frying, and deep frying) on fatty acid composition of ten vegetable oils (peanut oil, soybean oil, rapeseed oil, corn oil, sunflower seed oil, rice bran oil, olive oil, sesame oil, linseed oil, and peony seed oil) was investigated using GC-MS. The result showed that trans-fatty acid (TFA) was produced during all processes. Rapeseed oil had the highest TFA content in vegetable salad oil with 2.88% of total fatty acid. The TFA content of sunflower seed oil was 0...
October 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28524020/altered-gene-expression-of-epigenetic-modifying-enzymes-in-response-to-dietary-supplementation-with-linseed-oil
#15
Ran Li, Eveline M Ibeagha-Awemu
Recently we showed that 5% linseed oil (LSO) and 5% safflower oil (SFO) supplementation of cow's diets reduced milk fat yield by 30·38 and 32·42% respectively, accompanied by differential expression of genes and regulation by microRNAs (miRNA). This research communication addresses the hypothesis that epigenetic regulation could be involved in the observed milk fat reduction. Thus, this study investigated the gene expression pattern of major epigenetic modifying enzymes in response to dietary supplementation with LSO or SFO...
May 2017: Journal of Dairy Research
https://www.readbyqxmd.com/read/28500964/dietary-linseed-oil-supplemented-with-organic-selenium-improved-the-fatty-acid-nutritional-profile-muscular-selenium-deposition-water-retention-and-tenderness-of-fresh-pork
#16
Jiang Jiang, Xinyue Tang, Yan Xue, Gang Lin, Youling L Xiong
Cross-bred pigs were fed a control diet (with 0.3ppm sodium selenite and 1.5% soybean oil) or organic selenium diets (0.3ppm Se-Yeast with 1.5% soybean or linseed oil) to investigate nutrient supplement effects on meat quality and oxidative stability. The organic selenium diets increased muscular selenium content up to 54%, and linseed oil increased n-3 fatty acids two-fold while lowering the n-6/n-3 fatty acid ratio from 13.9 to 5.9 over the selenite control diet (P<0.05). Organic selenium yeast treatments with linseed oil reduced pork drip loss by 58-74% when compared with diets with soybean oil...
April 6, 2017: Meat Science
https://www.readbyqxmd.com/read/28480439/evaluation-of-crude-flaxseed-linum-usitatissimum-l-oil-in-burn-wound-healing-in-new-zealand-rabbits
#17
Katiba Beroual, Amir Agabou, Mohamed-Cherif Abdeldjelil, Naima Boutaghane, Saîd Haouam, Youcef Hamdi-Pacha
BACKGROUND: Burns are among the most prevalent injuries in humans with high cost in health care and heavy prolonged or permanent physical, psychological and social consequences. Commercial antimicrobial creams and dressing agents are unsuccessful in healing deep burn wounds. MATERIALS AND METHODS: A study was conducted to assess the impact of crude linseed oil (LSO) topical application on burn wounds healing in rabbits in comparison with untreated wounds (NAT) and those treated with Vaseline gel (VAG) and Cicatryl-Bio ointment (CBO)...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28466005/influence-of-supplementation-of-vegetable-oil-blends-on-omega-3-fatty-acid-production-in-mortierella-alpina-cfr-gv15
#18
Ganesan Vadivelan, Pamidighantam Prabhakara Rao, Govindarajulu Venkateswaran
Objectives of this study were designed for improved production of mycelial omega-3 fatty acids with particular reference to EPA and DHA from the oleaginous fungus Mortierella alpina CFR-GV15 under submerged low temperatures fermentation supplemented with linseed oil and garden cress oil as an additional energy source. The fungus was grown at 20°C temperature for four days initially followed by 12°C temperature for next five days. The basal medium contained starch, yeast extract, and a blend of linseed oil (LSO) and garden cress oil (GCO) in the ratio 1 : 1...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28464610/effects-of-fe-3-and-antioxidants-on-glycidyl-ester-formation-in-plant-oil-at-high-temperature-and-their-influencing-mechanisms
#19
Weiwei Cheng, Guoqin Liu, Xinqi Liu
This research investigated the effects of Fe(3+) and antioxidants on the formation of glycidyl esters (GEs) and the free radical mediated mechanisms involving the recognition of cyclic acyloxonium free radical intermediate (CAFRI) for GE formation in both the plant oil model (palm oil, camellia oil, soybean oil, and linseed oil) system and the chemical model (dipalmitin and methyl linoleate) system heated at 200 °C. Results show that Fe(3+) can promote the formation of GEs, which can be inhibited by antioxidants in plant oil during high-temperature exposure...
May 24, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28434741/dietary-linseed-oil-increases-trans-10-cis-15-18-2-in-caprine-milk-fat
#20
P Gómez-Cortés, A Cívico, M A de la Fuente, M Juárez, N Núñez Sánchez, F Peña Blanco, A L Martínez Marín
Trans-10,cis-15 18:2 has been recently detected and characterized in digestive contents and meat and adipose tissue of ruminants, but its presence in milk and dairy products is hardly known. The aim of this study was to quantify trans-10,cis-15 18:2 in milk fat, better understand its metabolic origin, and help to elucidate the mechanisms of rumen biohydrogenation when the diet composition might affect ruminal environment. To address these objectives, 16 dairy goats were allocated to 2 simultaneous experiments (2 groups of goats and 2 treatments in each experiment)...
April 20, 2017: Journal of Dairy Science
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