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Linseed oil

X L Chen, N Wang, M L Tian, L Wang, T Liu, X W Zhang, B M Shi, A S Shan
This experiment investigated the effects of supplementing the maternal diet with linseed oil (LSO) and soya bean oil (SBO) on immunoglobulins, the fatty acid composition and hepatic expression of lipid metabolism-related genes in piglets. Multiparous sows (twenty-four per diet) were fed on diets containing a supplement of either SBO or LSO during last week of gestation and lactation. The results indicated that supplementation of maternal diet with LSO could improve the weaning weight of piglets and average daily gain (ADG) (p < 0...
November 21, 2016: Journal of Animal Physiology and Animal Nutrition
S M Durge, M K Tripathi, N Dutta
AIM: To assess the effect of mustard cake (Brassica juncea L.) levels in concentrate mixtures and in composite feed mixtures (CFMs) on in-vitro fermentation characteristics and methane production. MATERIALS AND METHODS: Five concentrate mixtures were prepared with containing 30% oil cake, where linseed cake was replaced by mustard cake at the rate of 0%, 7.5%, 15.0%, 22.5%, and 30% in concentrate mixture. Mustard cake contained glucosinolate 72.58 µmol/g oil free dry matter (DM) and contents in diet were 0, 5...
October 2016: Veterinary World
Susana Torron, Stefan Semlitsch, Mats Martinelle, Mats Johansson
The work herein presented describes the synthesis and polymerization of series of biobased epoxy resins prepared through lipase catalyzed transesterification. The epoxy-functional polyester resins with various architectures (linear, tri-branched and tetra-branched) were synthesized through condensation of fatty acids derived from epoxidized soybean oil and linseed oil with 3 different hydroxyl cores under bulk conditions. The selectivity of the lipases towards esterification/ transesterification reactions allowed the formation of macromers with up to 12 epoxides in the backbone...
November 3, 2016: Biomacromolecules
Maria A Oliveira, Susana P Alves, José Santos-Silva, Rui J B Bessa
Forty lambs were fed one of four diets supplemented with a linseed and sunflower oil blend but differing in starch level (mid, ≈35 vs. high, ≈50%) and starch rumen degradability (mid, ≈70 vs. high, ≈80%). The effects of diet on growth, carcass traits and meat fatty acid (FA) composition, with emphasis on biohydrogenation intermediates were evaluated. Lambs stayed on trial for 5weeks until slaughter. Treatment had no effect on animal performance and carcass traits. High-degradability diets decreased (P=0...
October 5, 2016: Meat Science
C Vijayakumar, M Ramesh, A Murugesan, N Panneerselvam, D Subramaniam, M Bharathiraja
The modern scenario reveals that the world is facing energy crisis due to the dwindling sources of fossil fuels. Environment protection agencies are more concerned about the atmospheric pollution due to the burning of fossil fuels. Alternative fuel research is getting augmented because of the above reasons. Plant seed oils (vegetable oils) are cleaner, sustainable, and renewable. So, it can be the most suitable alternative fuel for compression ignition (CI) engines. This paper reviews the availability of different types of plant seed oils, several methods for production of biodiesel from vegetable oils, and its properties...
October 15, 2016: Environmental Science and Pollution Research International
Julie Mellery, Florian Geay, Douglas R Tocher, Patrick Kestemont, Cathy Debier, Xavier Rollin, Yvan Larondelle
Aquaculture is meant to provide fish rich in omega-3 long chain polyunsaturated fatty acids (n-3 LC-PUFA). This objective must be reached despite (1) the necessity to replace the finite and limited fish oil in feed production and (2) the increased temperature of the supply water induced by the global warming. The objective of the present paper was to determine to what extent increased water temperature influences the fatty acid bioconversion capacity of rainbow trout (Oncorhynchus mykiss) fed a plant-derived diet...
2016: PloS One
Bing-Zheng Li, Tuyen Truong, Bhesh Bhandari
Solid milk fat stearin (S25) can be a promising oxidation retarder due to its capacity to entrap liquid oils, especially for incorporating omega-3 (ω-3) rich oils into dairy products. Thermal properties of S25/ω-3 rich oil mixtures are necessary for such application. The effects of S25 on the crystallization and melting behaviours of ω-3 rich oils, namely fish oil (FO), linseed oil (LO) and krill oil (KO), were investigated by differential scanning calorimetry (DSC). Thermograms showed that with S25 concentration increasing, transitions of FO and LO shifted to lower and largely to higher temperatures, respectively, while crystallization temperature of KO slightly decreased...
March 1, 2017: Food Chemistry
X Z Li, S H Choi, C G Yan, J S Shin, S B Smith
Supplementary dietary plant oils have the potential to alter milk fatty acid composition in ruminants as a result of changes in the amount and kind of fatty acid precursors. We hypothesized that linseed oil in combination with malate (a key propionate precursor in the rumen) would increase ∆9 unsaturated fatty acids and specific gene expression in somatic cells and mammary glands of lactating goats. Twelve lactating goats were used in a 3 × 3 Latin square design. Treatments included the basal diet (CON), the CON plus 4% linseed oil (LO), and the CON plus 4% linseed oil and 2% -malate (LOM)...
August 2016: Journal of Animal Science
Mateusz Rogalski, Karolina Nowak, Piotr Fiedor, Arkadiusz Szterk
Extruded cereal snacks are usually deficient in protein, mineral ingredients, valuable fatty acids. With the rise of health awareness among consumers, food manufacturers and scientists are pressed to take measures in order to develop new functional/health-beneficial foods. The aim of this work was to manufacture extruded crisps enriched with α-linolenic acid (obtained from linseed oil) and to observe whether storage of the product for the period of 6 months would cause its disqualification, primarily due to its sensory properties and secondarily due to its chemical properties...
2016: Journal of the American Oil Chemists' Society
A Manterys, I Czyzynska-Cichon, A Drahun, E Maslak, M Franczyk-Zarow, B Szymczyk, R B Kostogrys
1. The objective of the present study was to determine effect of pomegranate seed oil (PSO) and linseed oil (LO), on haematological parameters, serum lipid profile and liver enzymes as well as fatty acids profile of adipose tissue in broilers. 2. Broilers (n = 400) were fed on diets containing graded PSO levels (0.0; 0.5; 1.0; 1.5%) with or without 2% LO. After 6 weeks of feeding, 6 male broilers from each group were slaughtered and abdominal fat, liver and blood samples were collected. 3. Mixtures of pomegranate seed oil (0...
September 16, 2016: British Poultry Science
Ingunn Narverud, Mari C W Myhrstad, Karl-Heinz Herzig, Toni Karhu, Tuva B Dahl, Bente Halvorsen, Stine M Ulven, Kirsten B Holven
Peptides released from the small intestine and colon regulate short-term food intake by suppressing appetite and inducing satiety. Intake of marine omega-3 (n-3) fatty acids (FAs) from fish and fish oils is associated with beneficial health effects, whereas the relation between intake of the vegetable n-3 fatty acid α-linolenic acid and diseases is less clear. The aim of the present study was to investigate the postprandial effects of a single high-fat meal enriched with vegetable n-3 or a combination of vegetable and marine n-3 FAs with their different unsaturated fatty acid composition on intestinal peptide release and the adipose tissue...
2016: Frontiers in Nutrition
L V Tran, B A Malla, A N Sharma, Sachin Kumar, Nitin Tyagi, A K Tyagi
The objective of the present study was to evaluate the effect of omega-3 and omega-6 PUFA enriched diet on plasma IGF-1 and testosterone concentrations, puberty, sperm fatty acid profile and semen quality in male buffalo. Eighteen male buffalo calves were distributed randomly in three different groups and fed concentrate mixture along with green fodder and wheat straw in 50:40:10 ratios as per requirements. Basis ration of animals in group I was supplemented with 4% of prilled fat (PFA), while in group II and group III were added 4...
October 2016: Animal Reproduction Science
Tamara Korošec, Urška Tomažin, Simon Horvat, Rok Keber, Janez Salobir
α-Tocopherol is the form of vitamin E with the highest biological value and is almost exclusively considered as vitamin E in feed and feed supplements. Because γ-tocopherol, the predominant form of vitamin E naturally present in chicken feed, is not considered as a source of vitamin E, its re-evaluation with newer methods might be important.Despite γ-tocopherol's lower estimated biological value, it has been shown to be effective in reducing reactive nitrogen species, regulating immune and inflammatory processes, and diminishing the risk of metabolic perturbations and associated diseases...
September 1, 2016: Poultry Science
Zs Matics, M Cullere, M Szín, Zs Gerencsér, A Szabó, H Fébel, M Odermatt, I Radnai, A Dalle Zotte, Zs Szendrő
The present experiment tested a dietary supplementation with linseed oil and selenium to growing rabbits. The basal diet (B) contained 3% sunflower oil, while it was substituted with 3% linseed oil in the experimental feed (S). The selenium (Se) content of the two diets was 0.10 vs. 0.46 mg/kg. Rabbits were fed with B diet from the age of 18 days. One group was fed with the B diet until 11 weeks of age (group B), whereas the experimental groups were fed with S diet for 1, 2, 3 or 4 weeks (groups S1, S2, S3 and S4, respectively), before slaughtering (11 weeks of age)...
August 23, 2016: Journal of Animal Physiology and Animal Nutrition
Mariko Uemura, Ako Shibata, Masashi Hosokawa, Ai Iwashima-Suzuki, Makoto Shiota, Kazuo Miyashita
The effect of dihydrosphingosine (d18:0) on triacylglycerol (TAG) oxidation was examined with and without α-tocopherol. Three types of TAG from fish, linseed, and soybean oil were oxidized at 50°C to determine the effect of dihydrosphingosine (d18:0) with or without α-tocopherol on triacylglycerol (TAG) oxidation. The analysis of oxygen consumption and total volatile formation demonstrated a small effect of d18:0 on TAG oxidation in the absence of α-tocopherol. On the other hand, the combination of d18:0 with α-tocopherol showed strong antioxidant activity and completely inhibited volatile formation within 1400 h for soybean oil TAG, 650 h for linseed oil TAG, and 380 h for fish oil TAG...
September 1, 2016: Journal of Oleo Science
Ozren Jović
A novel method for quantitative prediction and variable-selection on spectroscopic data, called Durbin-Watson partial least-squares regression (dwPLS), is proposed in this paper. The idea is to inspect serial correlation in infrared data that is known to consist of highly correlated neighbouring variables. The method selects only those variables whose intervals have a lower Durbin-Watson statistic (dw) than a certain optimal cutoff. For each interval, dw is calculated on a vector of regression coefficients...
December 15, 2016: Food Chemistry
P Konieczka, M Barszcz, N Chmielewska, M Cieślak, M Szlis, S Smulikowska
The effects of the dietary polyunsaturated fatty acids (PUFA) n-6:n-3 ratio and vitamin E (vE) on the levels of pro-inflammatory eicosanoids, the incorporation of docosahexaenoic acid (DHA) and arachidonic acid (AA) into immune tissues, and changes in leukocyte population after phytohemagglutinin (PHA) challenge were investigated in broiler chickens of different ages. One-day-old female broilers (48 per treatment) were fed 4 different wheat-soybean-corn-based diets containing corn oil with a high PUFA n-6:n-3 ratio (HR) or a mixture of linseed and fish oils with a low PUFA n-6:n-3 ratio (LR)...
July 18, 2016: Poultry Science
K E Kliem, D J Humphries, C K Reynolds, R Morgan, D I Givens
Supplementing dairy cow diets with oilseed preparations has been shown to replace milk saturated fatty acids (SFA) with mono- and/or polyunsaturated fatty acids (MUFA, PUFA), which may reduce risk factors associated with cardio-metabolic diseases in humans consuming milk and dairy products. Previous studies demonstrating this are largely detailed, highly controlled experiments involving small numbers of animals, but in order to transfer this feeding strategy to commercial situations further studies are required involving whole herds varying in management practices...
July 8, 2016: Animal: An International Journal of Animal Bioscience
Lilian Wambui Kariuki, Peter Masinde, Stephen Githiri, Arnold N Onyango
Linseed (Linum usitatissimum L.) is an annual oil crop that accounts for approximately 1 % of the world's oilseed supplies. It produces seeds that are rich in the health-promoting ω-3 fatty acid, α-linolenic. In Kenya, linseed is grown in the Rift Valley and Western regions, places which often experience drought. This study was aimed at evaluating the effect of water stress on growth of three linseed cultivars and to establish the extent of drought tolerance in the three cultivars. A greenhouse pot experiment in a completely randomized design was conducted at Jomo Kenyatta University of Agriculture and Technology, Kenya...
2016: SpringerPlus
Mikhail F Zayats, Sergey M Leschev, Marina A Zayats
The distribution of 40 pesticides of basic nature in different extraction systems was studied at 20 ± 1°C. The distribution constants (P) and distribution ratios (D) between n-hexane and polar phases are calculated. It was found that the studied pesticides are most fully and selectively extracted from hexane and vegetable oils by solutions of perchloric acid in acetonitrile. In particular, the acidification of acetonitrile decreases the D-value of fenpropimorph by 29,000 times. This phenomenon was used for the development of an improved technique for the quantitative analysis of widely used pesticides of basic nature in rapeseed, linseed, sunflower and olive oils by GC-MS...
August 2016: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
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