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Position: Home > Articles > Dietary fatty acids in gut health: Absorption, metabolism and function Animal Nutrition 2021,7 (4)

Dietary fatty acids in gut health: Absorption, metabolism and function

作  者：
Enkai Xu;Chao Chen;Jie Fu;Lingxiao Zhu;Junlan Shu;Mingliang Jin;Yizhen Wang;Xin Zon
单  位：
Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region, Ministry of Education, College of Aniaml Science, Guizhou University, 550025 Guiyang, China;Key Laboratory of Molecular Animal Nutrition, Ministry of Education, College of Animal Sciences, Zhejiang University, 310058 Hangzhou, China;Key Laboratory of Molecular Animal Nutrition, Ministry of Education, College of Animal Sciences, Zhejiang University, 310058 Hangzhou, Chin
关键词：
Absorption;Fatty acids;G protein coupled receptor;Gut;Metabolis
摘  要：
In biological responses, fatty acids (FA) are absorbed and metabolized in the form of substrates for energy production. The molecular structures (number of double bonds and chain length) and composition of dietary FA impact digestion, absorption and metabolism, and the biological roles of FA. Recently, increasing evidence indicates that FA are essentially utilized as an energy source and are signaling molecules that exert physiological activity of gut microbiota and immune responses. In addition, FA could serve as natural ligands for orphan G protein-coupled receptors (GPCR), also called free fatty acid receptors (FFAR), which intertwine metabolic and immune systems via multiple mechanisms. The present review explores the recent findings on FA absorption and its impact on gut health, particularly addressing the mechanism by which dietary FA potentially influences intestinal microbiota and epithelial functions. Also, this work attempts to uncover research ideas for devising future strategies for manipulating the composition of dietary FA to regulate gut health and support a normal immune system for metabolic and immune disorders.

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