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Effects of oxidized fish oil intake on tissue lipid metabolism and fatty acid composition of channel catfish (Ictalurus punctatus)
Dong, Guifang1,2; Zhu, Xiaoming1; Ren, Hongxiang2; Nie, Boyao2; Chen, Lu2; Li, Hui2; Yan, Bo2
2014-10-01
Source PublicationAQUACULTURE RESEARCH
ISSN1355-557X
Volume45Issue:11Pages:1867-1880
AbstractRecent 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.
SubtypeArticle
KeywordOxidized Fish Oil Lipid Metabolism Proliferation Index Fatty Acid Composition Ictalurus Punctatus
DOI10.1111/are.12138
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS Research AreaFisheries
WOS SubjectFisheries
WOS IDWOS:000342899400016
WOS KeywordDIETARY VITAMIN-E ; GROWTH-PERFORMANCE ; LIPOPROTEIN-LIPASE ; SERIOLA-QUINQUERADIATA ; DENSITY-LIPOPROTEIN ; ALPHA-TOCOPHEROL ; PPAR-ALPHA ; PEROXIDATION ; CHOLESTEROL ; LIVER
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Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/20301
Collection淡水生态学研究中心_期刊论文
Affiliation1.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
Recommended Citation
GB/T 7714
Dong, Guifang,Zhu, Xiaoming,Ren, Hongxiang,et al. Effects of oxidized fish oil intake on tissue lipid metabolism and fatty acid composition of channel catfish (Ictalurus punctatus)[J]. AQUACULTURE RESEARCH,2014,45(11):1867-1880.
APA Dong, Guifang.,Zhu, Xiaoming.,Ren, Hongxiang.,Nie, Boyao.,Chen, Lu.,...&Yan, Bo.(2014).Effects of oxidized fish oil intake on tissue lipid metabolism and fatty acid composition of channel catfish (Ictalurus punctatus).AQUACULTURE RESEARCH,45(11),1867-1880.
MLA Dong, Guifang,et al."Effects of oxidized fish oil intake on tissue lipid metabolism and fatty acid composition of channel catfish (Ictalurus punctatus)".AQUACULTURE RESEARCH 45.11(2014):1867-1880.
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