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Effect of a Diet Supplemented with Marine Omega-3 Fatty Acids on Inflammatory Markers in Subjects with Obesity: A Randomized Active Placebo-Controlled Trial.
Healthcare (Basel)
January 2025
Doctorado en Ciencias de la Nutrición Traslacional, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara 44100, JA, Mexico.
Background/objectives: Obesity is associated with chronic low-grade inflammation. Polyunsaturated fatty acids (PUFAs) such as omega-3 (n-3), are essential in anti-inflammatory processes. Therefore, the aim of this study was to evaluate the effect of a dietary intervention along with supplementation of 1.
View Article and Find Full Text PDFModulatory effect of Echium plantagineum oil on the n-3 LC-PUFA biosynthetic capacity of chicken (Gallus gallus).
Poult Sci
January 2025
Departamento de Biología Animal, Edafología y Geología, Universidad de La Laguna. Avenida Astrofísico Francisco Sánchez s/n, 38206 La Laguna, Tenerife, Spain.
Poultry can be a sustainable source of eicosapentaenoic acid (EPA, 20:5n-3) and docosahexaenoic acid (DHA, 22:6n-3) through the bioconversion of dietary alpha-linolenic acid (ALA, 18:3n-3). However, this process is currently limited by the high n-6/n-3 ratio in poultry diets affecting the competition between n-6 and n-3 fatty acids (FA) for the same biosynthetic enzymes, and the rate-limiting Δ6 desaturase which act at both, the first and final steps of DHA synthesis pathway. Echium plantagineum oil (EO) is an unusual source of stearidonic acid (SDA, 18:4n-3) which bypasses the first Δ6 desaturase step potentially increasing n-3 long-chain polyunsaturated fatty acids (LC-PUFA) synthesis.
View Article and Find Full Text PDFCharacterization of phospholipid profiles of egg yolks: Newly classified plasmalogens, distribution of polyunsaturated fatty acids, and the effects of dietary enrichment.
Food Chem X
January 2025
Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing 100083, China.
Egg yolk phospholipids are commercially valuable products that are beneficial to human health. Previous research on phospholipids in egg yolk mainly focuses on phosphatidyl choline (PC), phosphatidyl ethanolamine (PE), and fatty acid compositions, and neglects the esterification position and other bioactive phospholipids. This study found a total of 19 classes of phospholipids and 275 subclasses using lipidomics.
View Article and Find Full Text PDFSpecific activity of mouse liver desaturases and elongases: Time course effects using n-3 and n-6 PUFA substrates and inhibitory responses of delta-6 desaturase.
Biochim Biophys Acta Mol Cell Biol Lipids
January 2025
Department of Nutritional Sciences, Temerty Faculty of Medicine, University of Toronto, Toronto, Canada.
The synthesis of n-3 and n-6 polyunsaturated acids (PUFAs) is associated with physiological functions in mammals, being catalyzed by Δ-5D and Δ-6D desaturases and elongases Elovl-2 and Elovl-5. In this context, we aimed to study the chief kinetic features of PUFA liver anabolism, looking upon (i) the time-dependency for the specific activity of Δ-6D, Δ-5D, Elovl2, Elovl2/5 and Elovl5, using n-3 and n-6 precursors between 0 and 240 min ex vivo in mouse liver.; and (ii) the specific activity-substrate (α-linolenic acid; ALA) concentration responses of Δ-6D in the absence and presence of linoleic acid (LA), arachidonic acid (ARA), eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), an enzyme regarded as the rate-limiting step in PUFA anabolism.
View Article and Find Full Text PDFMaternal Long-Chain Polyunsaturated Fatty Acids Status in Pregnancy and Newborn Body Composition.
Nutrients
December 2024
Department of Functional and Organic Food, Institute of Human Nutrition Sciences, Warsaw University of Life Sciences, Nowoursynowska 159c, 02-776 Warsaw, Poland.
Background: A number of clinical studies have shown a positive association between the maternal -3 PUFA status during pregnancy and fetal and newborn development and health. Despite this well-documented role of -3 PUFAs in pregnancy, data on maternal the LC-PUFAs status during pregnancy in the Indonesian population, to our knowledge, are not yet available. This study reports on the LC-PUFA dietary intake among pregnant women in a suburban population of Bogor City, West Java, Indonesia.
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