Effects of dietary lecithin and l-carnitine on fatty acid composition and lipid-metabolic genes expression in subcutaneous fat and longissimus thoracis of growing-finishing pigs. (February 2018)

• Record Type: Journal Article
• Authors: Meng, Qingwei; Sun, Shishuai; Sun, Yuecheng; Li, Jianan; Wu, Di; Shan, Anshan; Shi, Baoming; Cheng, Baojing
• Is Part Of: Meat science. Volume 136(2018)
• Page Start: 68
• Page End: 78
• Publication Date: 2018-02
• Subjects: Lecithin -- l-Carnitine -- Meat quality -- Fatty acid composition -- Lipid-metabolic gene expression; Meat -- Periodicals; Meat industry and trade -- Periodicals; Viande -- Périodiques; Viande -- Industrie -- Périodiques; Meat; Meat industry and trade; Periodicals; 641.36
• DOI: 10.1016/j.meatsci.2017.10.012
• Languages: English
• ISSNs: 0309-1740

Abstract

Abstract: A 2 × 2 factorial experiment was conducted to investigate the effects of dietary lecithin andl -carnitine on fatty acid composition and lipid-metabolic genes expression in subcutaneous fat and longissimus thoracis of growing-finishing pigs. 160 barrows were assigned to 4 treatments consisting of 8 replicates with 5 pigs in each. The total PUFA, C18:2n-6 and C18:3n-3 in subcutaneous fat were increased by lecithin but the effect of lecithin was dependent ofl -carnitine where supplementation of lecithin together withl -carnitine decreased total PUFA, C18:2n-6 and C18:3n-3.l -Carnitine increased the intramuscular fat content when supplemented with lecithin but no effect was observed without lecithin supplementation.l -Carnitine increased the mRNA expression of CPT1A, HSL, FABP4 and CRAT ; and reduced the mRNA expression of FAS and ACCα in subcutaneous fat. Lecithin increased the mRNA expression of ACCα and ME1 in longissimus thoracis .l -Carnitine increased the mRNA expression of FAS in longissimus thoracis when supplemented with lecithin but no effect was observed without lecithin supplementation.