Topic
Fish oil
About: Fish oil is a research topic. Over the lifetime, 9887 publications have been published within this topic receiving 367953 citations. The topic is also known as: fish oils & Fish oil.
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TL;DR: There were changes in the fatty acid composition of plasma and platelet lipids which reflected dietary supplementation with n-3 fatty acids, notably an increase in the proportion of eicosapentaenoic and docosahexaenoic acids which occurred in a dose-dependent fashion.
175 citations
TL;DR: The potential of single cell heterotrophs as a partial substitute or replacement for fish-based ingredients in aquaculture diets is demonstrated and is shown to have significant benefits on the hatching rate of larvae.
175 citations
TL;DR: Inclusion of IM-based diets significantly increased both hepatosomatic index and visceral somatic index of Atlantic salmon, showing that protein meal and oil from BSF larvae hold a great potential as a source of nutrients for Atlantic salmon.
174 citations
TL;DR: The hypothesis that dietary polyunsaturated fats uniquely regulate the gene expression of lipogenic enzymes and that the mediator is likely a specific entity derived from the long-chain polyenic fatty acids is supported.
Abstract: The objective of these studies was to demonstrate that dietary polyunsaturated, but not saturated, fatty acids decrease mRNA abundance for fatty acid synthase (FAS) and S14. A series of experiments involving adult and weanling rats was designed to examine the ability of saturated (tripalmitin), (n-9) monounsaturated (triolein), (n-6) di-unsaturated (safflower oil), and (n-3) polyenic (fish oil) fatty acids to suppress the gene expression of FAS and S14. Dietary polyunsaturated fats reduced by 75-90% the hepatic abundance of FAS and S14 mRNA. Fish oil, rich in 20- and 22-carbon polyenic fatty acids, was more effective than safflower oil, whereas tripalmitin and triolein were without effect. Polyunsaturated fats were also very effective at preventing the rise in FAS and S14 mRNA associated with weaning. The inhibitory action of polyunsaturated fat was rapidly (less than 3 h) removed by deleting the fat from the meal. Regression analysis revealed a high correlation (0.81-0.94) between FAS and S14 expression among the various dietary studies. These data support the hypothesis that dietary polyunsaturated fats uniquely regulate the gene expression of lipogenic enzymes and that the mediator is likely a specific entity derived from the long-chain polyenic fatty acids. Moreover, the high correlation between FAS and S14 expression supports the hypothesis that S14 is a member of the lipogenic protein family and has potential as a model gene for the study of FAS expression.
174 citations
TL;DR: Analysis by second-order regression of weight gain indicated that the optimal dietary lipid level in juvenile grouper is about 9%, and data suggest that dietary lipid supplementation enhances the immune response of grouper.
174 citations