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题名: Effects of oxidized fish oil intake on tissue lipid metabolism and fatty acid composition of channel catfish (Ictalurus punctatus)
作者: Dong, Guifang1, 2; Zhu, Xiaoming1; Ren, Hongxiang2; Nie, Boyao2; Chen, Lu2; Li, Hui2; Yan, Bo2
关键词: oxidized fish oil ; lipid metabolism ; proliferation index ; fatty acid composition ; Ictalurus punctatus
刊名: AQUACULTURE RESEARCH
发表日期: 2014-10-01
DOI: 10.1111/are.12138
卷: 45, 期:11, 页:1867-1880
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Fisheries
研究领域[WOS]: Fisheries
英文摘要: Recent studies in terrestrial animals have shown that feeding the oxidized lipids led to a reduction in triacylglycerols (TAG) and total cholesterol (TC) in liver and plasma. However, limited information is available on the effect of oxidized lipids on lipid metabolism in fish. In this study, four diets containing 0 g kg(-1) (control: fresh fish oil), 30 g kg(-1) (low-oxidized oil, LOO), 60 g kg(-1) (medium-oxidized oil, MOO) and 90 g kg(-1) (high-oxidized oil, HOO) graded oxidized oil levels with the same dietary lipid level were fed to channel catfish for 86 days. The tissue lipid metabolism and fatty acid composition of the fish were investigated after this period. The results showed that plasma and liver concentrations of TAG and TC decreased with increasing dietary oxidized oil level (P < 0.05). Decreasing liver lipoprotein lipase and hepatic lipase activities were observed with increasing dietary oxidized fish oil inclusion (P < 0.05). The liver C22:6n-3 concentrations significantly decreased with increasing dietary oxidized oil level (P < 0.05), while muscle lipid had a high proportion of polyunsaturated fatty acids. It suggests that the adverse effects of dietary oxidized oil may be induced by inhibiting lipid metabolism enzymes and, consequently, inhibition of cholesterol homoeostasis and fatty acid synthesis.
关键词[WOS]: DIETARY VITAMIN-E ; GROWTH-PERFORMANCE ; LIPOPROTEIN-LIPASE ; SERIOLA-QUINQUERADIATA ; DENSITY-LIPOPROTEIN ; ALPHA-TOCOPHEROL ; PPAR-ALPHA ; PEROXIDATION ; CHOLESTEROL ; LIVER
语种: 英语
WOS记录号: WOS:000342899400016
ISSN号: 1355-557X
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内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/20301
Appears in Collections:淡水生态学研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
2.Wuhan Polytech Univ, Hubei Key Lab Anim Nutr & Feed Sci, Wuhan 430023, Hubei, Peoples R China
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