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The Effects Of Varying Levels Of Dietary Linoleic Acid On Omega 3 Fatty Acids In Egg Yolk
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Book Synopsis The Effects of Varying Levels of Dietary Linoleic Acid on Omega-3 Fatty Acids in Egg Yolk by : Brittany A. Neal
Download or read book The Effects of Varying Levels of Dietary Linoleic Acid on Omega-3 Fatty Acids in Egg Yolk written by Brittany A. Neal and published by . This book was released on 2005 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Dietary Linoleic Acid on Conversion of Omega-3 Fatty Acids to Long Chain Fatty Acids by : Elizabeth Flaherty
Download or read book Effects of Dietary Linoleic Acid on Conversion of Omega-3 Fatty Acids to Long Chain Fatty Acids written by Elizabeth Flaherty and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: With the modern diet that is high in total fats, high in omega-6 fatty acids (FA), and low in omega-3 FA, there is a high prevalence of metabolic and cardiovascular disease. Certain dietary acids are beneficial, while others may contribute to these disease processes. Eggs are an important part of the human diet as they are protein and nutrient dense and are a good source of vitamins and minerals. It is possible to manipulate the nutrients and composition of FA in the eggs by modifying the balance of the hens diets. This makes them a good target for experiments with fatty acids (FA). A diet high in omega-3 (n-3) FA has many beneficial effects including plasma lipid reduction, reduction in some types of cancer mortality, anti-inflammatory effects, antiarrhythmic effects, antithrombotic effects, antiatheromatous effects, and less severe manifestations of autoimmune diseases and inflammatory diseases. Due to the benefits of n-3 FA, it is important to understand the effects of oleic acid and linoleic acid (LA; C18:2n-6) on the deposition of n-3 FA in egg yolks. The goals of the experiment are to determine the effect of these FA on deposition of ALA and VLC n-3 FA in yolks. It is hypothesized that LA will have a negative impact on the deposition of ALA in yolks as they compete for elongase and desaturase enzymes. Additionally, it is expected that oleic acid will also have a negative effect on n-3 deposition in yolks.Fifty hens were randomly assigned to one of five dietary treatments that included a control, two levels of high oleic safflower oil (HOSO; 2% and 4%), and two levels of high linoleic safflower oil (HLSO; 2% or 4%). All diets contained 4% flaxseed oil (FLAX) to provide -linolenic acid (ALA; C18:3n-3) as a substrate for synthesis of the very long chain omega-3(VLC n-3) FA. Egg samples were collected on day 0 and day 28 of the experiment and were analyzed for yolk weights and FA composition. Samples of adipose and liver tissue were collected on day 28 for FA analysis.Increasing dietary oleic acid (18:1n-9), provided by HOSO, had a positive effect on deposition of oleic acid in the yolk. Increased dietary linoleic acid (LA; C18:3n-6), provided by HLSO, had a negative effect on oleic acid deposition. HOSO and HLSO also negatively affected the deposition of ALA and VLC n-3 FA in yolks. This supports previous experiments that showed dietary n-6 FA had a negative effect on deposition of n-3 FA in yolks as a result of competition for the elongase and desaturase enzymes. The diet that is most conducive to developing a high n-3 fatty acid egg is a diet with a high level of ALA and a low level of oleic and linoleic acid.
Book Synopsis Poultry Nutrition by : Vincenzo Tufarelli
Download or read book Poultry Nutrition written by Vincenzo Tufarelli and published by MDPI. This book was released on 2021-01-06 with total page 754 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this Special Issue is to publish high quality papers concerning poultry nutrition and the interrelations between nutrition, metabolism, microbiota and the health of poultry. Therefore, I invite submissions of recent findings, as original research or reviews, on poultry nutrition, including, but not limited to, the following areas: the effect of feeding on poultry meat end egg quality; nutrient requirements of poultry; the use of functional feed additives to improve gut health and immune status; microbiota; nutraceuticals; soybean meal replacers as alternative sources of protein for poultry; the effects of feeding poultry on environmental impacts; the use of feed/food by-products in poultry diet; and feed technology.
Book Synopsis Dietary ω3 and ω6 Fatty Acids by : Corraldo Galli
Download or read book Dietary ω3 and ω6 Fatty Acids written by Corraldo Galli and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 433 pages. Available in PDF, EPUB and Kindle. Book excerpt: On June 24-26, 1985, a major International Conference on the Hea1th Effects of P01yunsaturated Fatty Acids in Seafoods was held in Washington, D. C. The conference had two objectives: (1) to review the research data on the health effects of polyunsaturated fatty acids in seafoods in terms of the impact of omega-3 fatty acids on eicosanoid formation, thrombosis and inflammation, and the role of docosahexaenoic acid in membrane function and metabolism, and (2) to develop a research agenda to determine the spectrum of the health effects of polyunsaturated fatty acids of seafood origin in the American diet. The 1985 conference established the fact that omega-3 fatty acids of marine origin - eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) - play important roles in prostaglandin metabolism, thrombosis and atherosc1erosis, immunology and inflammation, and membrane function. In response to the conference recommendations, the Congress of the United States provided special funding for the establishment of a "test materials 1aboratory" within the US Department of Commerce to produce under documented quality contr01 the types and quanti ties of omega-3 te~3t materials required by biomedica1 researchers. The forms of test materials to be produced include refined fish oil, polyunsaturated fatty acid enhanced triglycerides, concentrates of esters of fatty acids, purified omega-3 fatty acids, and omega-3 mono-, di- and tri~lyceride mixtures.
Book Synopsis Omega-3 Fatty Acids and Health by : Joyce A. Nettleton
Download or read book Omega-3 Fatty Acids and Health written by Joyce A. Nettleton and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: The evidence that omega-3 fatty acids are essential for human development and most helpful to achieve good health throughout life is clearly documented by Dr. Joyce Nettleton in her new book Omega-3 Fatty Acids and Health. Omega 3 fatty acids are produced by the plants of the land and sea. The tissues of the body require the omega-3 fatty acids for their proper functioning just as they also need the omega-6 essential fatty acids. It is probable in man's evolutionary development that there has always been the proper balance between these two groups of essential fatty acids, but in the modern era with the provision of inexpensive vegetable oils it is possible that the pendulum for increased dietary omega-6 fatty acids in the form of linoleic acid has swung too far and the intake ofomega-3 fatty acids has actualIy declined. In particular, the 22 carbon omega 3 fatty acid, docosahexaenoic acid, which has six double bonds, is important in the membranes of brain cells, heart muscle cells, the rods and cones of the retina and spermatozoa. Docosahexaenoic acid is found only in foods such as fish and other sea life, having been synthesized by the phytoplankton of the waters. An outright deficiency of omega-3 fatty acids has led to a number of distur bances in animals and human infants such as impaired vision, abnormalities of the electroretinogram, of the eye and various behavioral aberrations.
Author :Artemis P. Simopoulos Publisher :Karger Medical and Scientific Publishers ISBN 13 :3805576404 Total Pages :188 pages Book Rating :4.8/5 (55 download)
Book Synopsis Omega-6/omega-3 Essential Fatty Acid Ratio by : Artemis P. Simopoulos
Download or read book Omega-6/omega-3 Essential Fatty Acid Ratio written by Artemis P. Simopoulos and published by Karger Medical and Scientific Publishers. This book was released on 2003-01-01 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: Studies on the evolutionary aspects of diet and molecular studies included in this volume indicate that human beings evolved on a diet that was balanced in the essential fatty acids (EFA). In fact, the ratio of omega-6/omega-3 EFA was 1/1 whereas present day diets in both developed and developing countries have a much higher ratio, between 5/1 and 50/1. Additional studies show that a high ratio of omega-6/omega-3 EFA is detrimental to health and may lead to the development of chronic diseases. Improving the dietary ratio by decreasing the omega-6 fatty acids and increasing the omega-3 fatty acids is essential for brain function and for the management of cardiovascular disease, arthritis and cancer. A ratio of 4/1 or less leads to lower dosage and to the reduction of adverse effects of drugs. This volume should be of interest to a large and varied audience of researchers in academia, industry, and government; cardiologists, geneticists, immunologists, neuroscientists, and cancer specialists; as well as nutritionists, dietitians, food scientists, agriculturists, economists and regulators.
Book Synopsis Omega-3 Fatty Acids by : Mahabaleshwar V. Hegde
Download or read book Omega-3 Fatty Acids written by Mahabaleshwar V. Hegde and published by Humana Press. This book was released on 2016-09-15 with total page 611 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume argues for the importance of essential nutrients in our diet. Over the last two decades there has been an explosion of research on the relationship of Omega-3 fatty acids and the importance of antioxidants to human health. Expert authors discuss the importance of a diet rich in Omega-3 Fatty acids for successful human growth and development and for the prevention of disease. Chapters highlight their contribution to the prevention and amelioration of a wide range of conditions such as heart disease, diabetes, arthritis, cancer, obesity, mental health and bone health. An indispensable text designed for nutritionists, dietitians, clinicians and health related professionals, Omega-3 Fatty Acids: Keys to Nutritional Health presents a comprehensive assessment of the current knowledge about the nutritional effects of Omega-3 fatty acids and their delivery in foods.
Book Synopsis Studies on Egg Yolk Lipids and Ovo-cholesterol Metabolism by : Zhirong Jiang
Download or read book Studies on Egg Yolk Lipids and Ovo-cholesterol Metabolism written by Zhirong Jiang and published by . This book was released on 1992 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Omega-6/3 Fatty Acids by : Fabien De Meester
Download or read book Omega-6/3 Fatty Acids written by Fabien De Meester and published by Springer Science & Business Media. This book was released on 2012-12-13 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the last several years developing human research suggests that a component of omega-3 fatty acids, long chain ones, contribute particularly to health benefits. Omega-6/3 Fatty Acids: Functions, Sustainability Strategies and Perspectives focuses on developing information on this newly recognized key component. This volume uniquely, and for the first time, focuses on sustainability of natural sources of omega-3 fatty acids variants including long chain ones, and on ways to increase their use and availability to reduce major diseases. The authors review cardiovascular disease, neurological changes and mental health and other diseases like diabetes where long chain omega-3 fatty acids play protective roles from recent human trials. Each chapter evaluates developing information on the possible mechanistic role of long chain omega-3 fatty acids. After showing their requirement and involvement in health promotion there are reviews of various sources and ways to protect and promote them. Authors provide support for the benefits and sources of long chain omega-3 fatty acids and their increased dietary intake that reduce various physical and mental illnesses. Omega-6/3 Fatty Acids: Functions, Sustainability and Perspectives is a unique and important new volume that provides the latest data and reviews to physicians who need to assess serum omega-6/3 and fatty acids to help diagnose risks and change diets and to inform industry and the scientific community with reviews of research for actions including new studies and therapies.
Book Synopsis Omega-3 Fatty Acids in Health and Disease by : Robert S. Lees
Download or read book Omega-3 Fatty Acids in Health and Disease written by Robert S. Lees and published by CRC Press. This book was released on 2020-07-24 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt: A report from research in the MIT Sea Grant College Program. Discusses the relationship between particular fatty acids found only in fish oil, and human health. Presents and evaluates information on the health effects of dietary fats generally; evidence that fish oil consumption affects the incidenc
Book Synopsis Diet and Health by : National Research Council
Download or read book Diet and Health written by National Research Council and published by National Academies Press. This book was released on 1989-01-01 with total page 765 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diet and Health examines the many complex issues concerning diet and its role in increasing or decreasing the risk of chronic disease. It proposes dietary recommendations for reducing the risk of the major diseases and causes of death today: atherosclerotic cardiovascular diseases (including heart attack and stroke), cancer, high blood pressure, obesity, osteoporosis, diabetes mellitus, liver disease, and dental caries.
Book Synopsis The Effect of Dietary Fats on Some Chemical and Functional Properties of Eggs and on Some Chemical Properties of the Lipids of Liver, Blood and Depot Fat of the Hen by : Richard Dorris Pankey
Download or read book The Effect of Dietary Fats on Some Chemical and Functional Properties of Eggs and on Some Chemical Properties of the Lipids of Liver, Blood and Depot Fat of the Hen written by Richard Dorris Pankey and published by . This book was released on 1967 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effects of Dietary Conjugated Linoleic Acid on Avian Lipid Metalbolism by : Rahim Aydin
Download or read book The Effects of Dietary Conjugated Linoleic Acid on Avian Lipid Metalbolism written by Rahim Aydin and published by . This book was released on 2000 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Latest Findings Of Omega-3 Long Chain Polyunsaturated Fatty Acids: From Molecular Mechanisms To New Applications In Health And Diseases by : Maricela Rodriguez Cruz
Download or read book Latest Findings Of Omega-3 Long Chain Polyunsaturated Fatty Acids: From Molecular Mechanisms To New Applications In Health And Diseases written by Maricela Rodriguez Cruz and published by Bentham Science Publishers. This book was released on 2011 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt: This E-book covers the main aspects about the benefits of omega-3 long chain polyunsaturated fatty acids (LC-PUFAs) to human health. The knowledge of physiological effects of LC-PUFAs at different levels is constantly expanding. Topics covered over 10 chapters thoroughly detail the role of omega-3 LCPUFAs in nutrition (gene regulation) and disease (clinical applications); information about food sources and recent intake recommendations is also explained. This book also discusses current data concerning the role of LC-PUFAs during pregnancy and lactation, in cognitive function, immune response.
Book Synopsis Fatty Acid Profile and Sensory Characteristics of Table Eggs Procured from Hens Fed Designer Diets by : Erin Goldberg
Download or read book Fatty Acid Profile and Sensory Characteristics of Table Eggs Procured from Hens Fed Designer Diets written by Erin Goldberg and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Omega-3 enriched eggs serve as an important functional food to boost consumption of polyunsaturated fatty acids (PUFA) critical for good health. Because omega-3 eggs have the potential for unpleasant aromas and flavours, this research was designed to assess the fatty acid profile and sensory attributes of eggs procured from hens consuming designer diets. In the first study, the use of hemp in hen diets led to significant increases in omega-3 PUFA content and colour intensity of yolks, but did not have adverse effects on the sensory profiles of cooked eggs. Additionally, the level of docosahexaenoic acid was the same in eggs from both the lowest and highest hempseed oil groups. In order to overcome this plateau, the second study assessed diets varying in linoleic acid (LA) content. Although docosapentaenoic acid in the yolk was significantly increased with an increasing dietary LA content, docosahexaenoic acid remained unaffected by dietary treatment. In the third study, a different approach was used to reduce competition between alpha-linolenic acid (ALA) and LA. Diets containing two levels of ALA and varying ratios of saturated fatty acids (SFA): LA + oleic acid (OA) were tested. Increasing dietary SFA: LA + OA resulted in marked increases in all n-3 PUFA. The fourth study was designed to assess the interaction between dietary constituents on sensory attributes of eggs, namely omega-3 PUFA from flaxseed oil (FO), and canola meal (CM), which contains precursors to trimethylamine, which may lead to fishy taint. Oceanic flavour significantly increased with inclusion of FO, while egg, creamy and buttery flavours showed a decrease. The pairing of CM and FO resulted in a significant decrease in egg flavour compared to using FO alone. This research has demonstrated that novel ingredients like hemp can be used in laying hen diets to deposit n-3 PUFA into eggs without fear of affecting sensory outcomes. Increasing the SFA: LA + OA ratio in layer diets is most effective in increasing yolk ALA conversion into long-chain PUFA. Lastly, CM should be added to diets with caution when used in conjunction with omega-3 PUFA ingredients due to a reduction in egg flavour.
Book Synopsis Omega 3 Fatty Acid Research by : M. C. Teale
Download or read book Omega 3 Fatty Acid Research written by M. C. Teale and published by Nova Publishers. This book was released on 2006 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: EPA and DHA omega-3 fatty acids are contained in oily fish, such as salmon, lake trout, tuna and herring. These fatty acids are not essential to the diet; however, scientific evidence indicates that these fatty acids may be very beneficial in reducing Coronary Heart Disease among other things. This book brings together some of the recent studies on this important and interesting substance.
Book Synopsis Egg Bioscience and Biotechnology by : Yoshinori Mine
Download or read book Egg Bioscience and Biotechnology written by Yoshinori Mine and published by John Wiley & Sons. This book was released on 2008-01-03 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: Egg Bioscience and Biotechnology provides a very focused look at the most recent advances in the study and value-added use of the bioactive components of eggs. This book focuses mainly on biologically active substances derived from egg components and their potential use. These include substances with anti-microbial, anti-adhesive, immunomodulatory, anti-cancer, anti-hypertensive, and anti-oxidant properties.
