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Enriched milk with omega-3

Ángel García-Bermejo, Susana Mohr, Laura Herrero, María-José González, Belén Gómara
This paper reports on the optimization, characterization, and applicability of gas chromatography coupled to triple-quadrupole tandem mass spectrometry (GC-QqQ(MS/MS)) for the determination of 14 polybrominated diphenylethers (PBDEs) and 2 emerging brominated flame retardants, 1,2-bis(2,4,6-tribromophenoxy)ethane (BTBPE) and decabromodiphenylethane (DBDPE), in functional food samples. The method showed satisfactory precision and linearity with instrumental limits of detection (iLODs) ranging from 0.12 to 7...
September 28, 2016: Journal of Agricultural and Food Chemistry
Juan F Ortega, Felix Morales-Palomo, Valentin Fernandez-Elias, Nassim Hamouti, Francisco J Bernardo, Rosa C Martin-Doimeadios, Rachael K Nelson, Jeffrey F Horowitz, Ricardo Mora-Rodriguez
OBJECTIVE: We studied the effects of exercise training alone or combined with dietary supplementation of omega-3 polyunsaturated fatty acids (Ω-3PUFA) and oleate on metabolic syndrome (MSyn) components and other markers of cardiometabolic health. METHODS: Thirty-six patients with MSyn underwent 24 weeks of high-intensity interval training. In a double-blind randomized design, half of the group ingested 500 mL/day of semi-skim milk (8 g of fat; placebo milk) whereas the other half ingested 500 mL/day of skim milk enriched with 275 mg of Ω-3PUFA and 7...
August 2016: Obesity
Ana L Fontes, Lígia L Pimentel, Catarina D Simões, Ana M P Gomes, Luís M Rodríguez-Alcalá
Conjugated linolenic acid (CLNA) isomers are promising lipids due to their similarities with CLA but exerting their bioactivity at lower doses; some isomers also belong to the omega 3 family. This review aims to summarize the state of the art about the utilization of CLNA as a functional ingredient. Indeed, in vitro and in vivo studies reported that CLNA exerted anti-cancer, anti-inflammatory, anti-obese and antioxidant activities. However, CLNA has not been tested in humans yet. These compounds are naturally present in meat and milk fat from ruminants but the highest concentrations are found in vegetable oils...
May 25, 2016: Critical Reviews in Food Science and Nutrition
Teresa Padro, Gemma Vilahur, Joan Sánchez-Hernández, Marta Hernández, Rosa M Antonijoan, Antonio Perez, Lina Badimon
The benefits of dietary phytosterols (PhySs) and long-chain n-3 PUFA (ω3) have been linked to their effects as cholesterol- and triglyceride (TGL)-lowering agents. However, it remains unknown whether these compounds have further metabolic effects on LDL lipid composition. Here, we studied the effects of PhyS- or ω3-supplemented low-fat milk (milk) on the LDL-lipidome. Overweight and moderately hypercholesterolemic subjects (n = 32) were enrolled in a two-arm longitudinal crossover study. Milk (250 ml/day), enriched with either 1...
May 2015: Journal of Lipid Research
T Jeyarani, T Banerjee, R Ravi, A G Gopala Krishna
Chocolate spreads were developed by incorporating two different soybean oil margarines, fat phases prepared using 85 % soybean oil (M1) and 1:1 blend of soybean oil and coconut oil (M2) with commercial palm stearin. Eight formulations were tried by varying skim milk powder (SMP)/fluid skimmed milk (FSM), type of fats (M1, M2, a commercial margarine and a table spread), sugar and cocoa powder and their quality characteristics were compared with a commercial hazelnut cocoa spread. The moisture and fat content were 5-6...
February 2015: Journal of Food Science and Technology
Raffaella Branciari, Laura Mughetti, David Ranucci, Dino Miraglia, Andrea Valiani, Gabriele Acuti, Roberto Selvaggini, Massimo Trabalza-Marinucci
Pecorino cheeses were produced using two different manufacturing procedures (either from raw milk or from milk previously subject to a thermisation at 65 °C for 10 s with the addition of starter culture) using the milk obtained from three groups of ewes fed three different concentrates: (1) control, (2) control enriched with 100 g/kg of extruded linseed, and (3) control enriched with 200 g/kg of extruded linseed. All concentrates were administered with alfalfa hay ad libitum. The extruded linseed-enriched diets increased the concentration of n-3 fatty acids, conjugated linoleic acid, and monounsaturated and polyunsaturated acids in raw milk and thermised milk cheese and decreased the concentration of saturated fatty acids...
November 2014: Journal of Dairy Research
Pamela M Choi, Raphael C Sun, Joshua Sommovilla, Jose Diaz-Miron, Jaclyn Khil, Christopher R Erwin, Jun Guo, Brad W Warner
BACKGROUND: After massive small bowel resection (SBR), a postoperative diet high in fat is associated with enhanced villus growth. The purpose of this study was to further elucidate the quantity and composition of enteral fat in structural and metabolic changes after SBR. METHODS: C57/Bl6 mice underwent a 50% proximal SBR. Mice were then randomized to receive a low-fat diet (12% kcal fat), medium-fat diet (44% kcal fat), or high-fat diet (HFD; 71% kcal fat) ad libitum...
August 2014: Surgery
Isabel Márquez-Sillero, Soledad Cárdenas, Stefanie Sielemann, Miguel Valcárcel
In this work, an ion mobility spectrometer (IMS) with a tritium ionization source on-line coupled to a headspace (HS) autosampler and a multicapillary column (MCC) was evaluated for the monitoring of lipid oxidation products in milk with different flavours (cacao, fruits, cereals and nuts) and linseed oil samples enriched with omega-3 acids. In this combination, the multicapillary column is used as an interface between the HS and the IMS, providing the efficient separation of the volatile compounds. In this way, the proposed method permits the detection of hexanal, 2-butanone, acetone and dimethyl sulfide as representative degradation products...
March 14, 2014: Journal of Chromatography. A
Krystal K Lum, Jonggun Kim, Xin Gen Lei
The rise in global population has led to explorations of alternative sources of energy and food. Because corn and soybean are staple food crops for humans, their common use as the main source of dietary energy and protein for food-producing animals directly competes with their allocation for human consumption. Alternatively, de-fatted marine microalgal biomass generated from the potential biofuel production may be a viable replacement of corn and soybean meal due to their high levels of protein, relatively well-balanced amino acid profiles, and rich contents of minerals and vitamins, along with unique bioactive compounds...
December 21, 2013: Journal of Animal Science and Biotechnology
S Fair, D N Doyle, M G Diskin, A A Hennessy, D A Kenny
The objective of this study was to examine the effect of dietary n-3 polyunsaturated fatty acid (PUFA) supplementation of rams on semen quality and subsequent sperm function of liquid stored semen. Mature rams of proven fertility were individually housed and were blocked according to breed, body weight, and body condition score and randomly allocated within block to one of two dietary treatments (N = 7 per treatment). Rams were offered a base diet of hay and concentrate, with the concentrate enriched with either: (1) saturated palmitic acid (CON) or (2) high n-3 PUFA fish oil (FO) supplements...
January 15, 2014: Theriogenology
Cristiana Guerranti, Silvano Ettore Focardi
Conventional and omega-3 fatty acid-enriched milk and cheese were analyzed for persistent organic pollutants (POPs). Omega-3-enriched products are usually supplemented with fish oil which is potentially contaminated. All classes of the considered POPs (PCBs, DDT, HCB, PBDEs, and PCDD/Fs) were found in the samples, with average concentrations higher in omega-3-enriched products than in conventional ones. For PCBs, DDT, and HCB, differences were statistically significant and, therefore, cannot be ascribed to normal variability...
2011: ISRN Toxicology
A Hawkins, K Yuan, C K Armendariz, G Highland, N M Bello, T Winowiski, J S Drouillard, E C Titgemeyer, B J Bradford
Flaxseed is a potent source of the n-3 fatty acid α-linolenic acid (ALA), yet most ALA is lost during ruminal biohydrogenation when ground flaxseed is fed to ruminants. Heat processing and urea formaldehyde condensation polymer (UFCP) treatment of flaxseed were investigated as possible means of protecting ALA from ruminal degradation. Ground flaxseed (GF), heated ground flaxseed (HGF), or UFCP-treated ground flaxseed (UFCPGF) were incubated for 0, 4, 8, and 12h in 4 ruminally cannulated multiparous lactating Holstein cows...
June 2013: Journal of Dairy Science
J Stamey Lanier, J K Suagee, O Becvar, B A Corl
Supplementing dairy cows with n-3 fatty acid-rich feeds does not easily increase quantities in milk fat. Previous results demonstrated very long-chain n-3 fatty acids are primarily transported in the PL fraction of blood, making them largely unavailable to the mammary gland for enrichment of milk fat. Our objective was to compare mammary uptake of fatty acids of increasing chain length and unsaturation delivered intravenously as TAG emulsions. Late lactation dairy cows were assigned to a completely randomized block design...
May 2013: Lipids
Serge Delpal, Alain Pauloin, Catherine Hue-Beauvais, Valérie Berthelot, Philippe Schmidely, Michèle Ollivier-Bousquet
The effects, on the maternal mammary gland, of diets containing similar lipid percentages but differing in composition of polyunsaturated fatty acids (PUFA) have been assessed in rats during pregnancy and lactation. For this purpose, tuna fish oil (an n-3-PUFA-enriched oil) and corn oil (an n-6-PUFA-enriched oil) were included in diets at ratios such that the caloric inputs were the same as that of the control diet. As expected, the maternal diet affected the tissue composition of dams. Unexpectedly, only the tuna fish oil diet had an effect on pup growth, being associated with the pups being underweight between the ages of 11 and 21 days...
March 2013: Cell and Tissue Research
E Dirandeh, A Towhidi, S Zeinoaldini, M Ganjkhanlou, Z Ansari Pirsaraei, A Fouladi-Nashta
In spite of the difficulties in delivering PUFA to ruminants, studies have generally indicated that the PUFA of the omega-6 (linoleic acid) and omega-3 [α-linolenic acid; eicosapentaenoic (EPA), C20:5 omega-3; docosahexaenoic (DHA), C22:6 omega-3] families are the most beneficial to improving reproduction in cows. The objectives were to determine if a diet enriched in α-linolenic acid (omega-3) or linoleic acid (omega-6) would influence milk production and composition, metabolic status, and reproductive performance in lactating dairy cows...
February 2013: Journal of Animal Science
F Tamjidi, A Nasirpour, M Shahedi
Encapsulation of marine omega-3 oil by complex coacervation technique has been introduced as most effective approach to delay its oxidation and extend shelf life of ω(3)-enriched food products. Therefore, to produce enriched yogurt, fish oil containing long-chain omega-3 polyunsaturated fatty acids was microencapsulated in complex coacervates of gelatin/acacia gum. Then, the microcapsules were dried and their surface oil was extracted. Set yogurt was prepared by enriched milk with microcapsules powder. Physicochemical and sensory properties of enriched yogurt were measured during 21 days storage...
August 2012: Food Science and Technology International, Ciencia y Tecnología de Los Alimentos Internacional
Sarah A Teichert, Casimir C Akoh
Structured lipids (SLs) from stearidonic acid (SDA) soybean oil pre-enriched with palmitic acid (PA) at the sn-2 position with Novozym 435 (NSL) or Lipozyme TL IM (LSL) from previous research were further enriched with γ-linolenic acid (GLA) or docosahexaenoic acid (DHA). Small-scale acidolysis reactions with Lipozyme TL IM were performed to determine the optimal reaction conditions as 1:1 substrate mole ratio of NSL or LSL to free DHA at 65 °C for 24 h and a 1:0.5 substrate mole ratio of NSL or LSL to free GLA at 65 °C for 12 h...
December 28, 2011: Journal of Agricultural and Food Chemistry
Eduardo Núñez-González, Lluis Serra-Majem, Mariluz Fika-Hernándo, Blanca Fernández-Vallhonrat, José Bravo-Martínez, Juan M Martín-Ferrer, Cristina Chas-Barbeito, Inmmaculada Bautista-Castaño
The consumption of specific functional foods (FF) and some determinants of FF item selection were assessed using a questionnaire administered to 1112 individuals in the Canary Islands (Spain). Food items considered were Milk products: easily digestible milk (or milk low in lactose), milk enriched with vitamins and/or minerals, skimmed milk with soluble fiber, milk with royal jelly, milk with modified fatty acids (omega 3), milk products low in fat, pro-biotic foods (yoghurt and fermented milk) and yoghurt with phytosterols; Cereals: fortified breakfast cereals, wholemeal cereals and energy bars; Drinks: juices and enriched drinks, stimulating drinks and isotonic drinks; DHA-enriched, low cholesterol eggs; Meat products: low salt sausages and cooked low fat ham; Fats: enriched margarine, margarine rich in phytosterols and sunflower oil rich in oleic acid; Condiments: iodated salt...
October 2011: Food & Function
Sarah A Teichert, Casimir C Akoh
Stearidonic acid (SDA, C18:4n-3) enriched soybean oil may be added to the diet to increase intake of omega-3 fatty acids (FAs). Human milk fat has ≥60% of palmitic acid (PA), by weight, esterified at the sn-2 position to improve absorption of fat and calcium in infants. Enzymatic interesterification of SDA soybean oil and tripalmitin produced structured lipids (SLs) enriched with PA at the sn-2 position of the triacylglycerol. Reactions were catalyzed by Novozym 435 or Lipozyme TL IM under various conditions of time, temperature, and substrate mole ratio...
May 25, 2011: Journal of Agricultural and Food Chemistry
E Ginter, V Simko
Attention to the role of n-3 long-chain polyunsaturated fatty acids from fish (n-3) in human health has remarkably increased during recent decades. Many clinical and epidemiologic studies have shown a positive role for n-3 in cardiovascular diseases, cancer, infant development and more recently, in various mental illnesses, especially in depression. These fatty acids are known to have pleiotropic effects, especially against hypertriglyceridemia and platelet aggregation. These may be mediated through several distinct mechanisms, including alterations in cell membrane composition and function, gene expression, or eicosanoid production...
2010: Bratislavské Lekárske Listy
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