The level and composition of free fatty acids in the plasma of freshwater fish in a post-absorptive condition
Identifieur interne : 000879 ( Istex/Curation ); précédent : 000878; suivant : 000880The level and composition of free fatty acids in the plasma of freshwater fish in a post-absorptive condition
Auteurs : Marcel T. M. Van Raaij [Pays-Bas]Source :
- Comparative Biochemistry and Physiology, Part A: Physiology [ 0300-9629 ] ; 1994.
Abstract
The level and fatty acid composition of plasma free fatty acids (FFA) were determined in four important aquaculture teleost species: goldfish (Carassius auratus), common carp (Cyprinus carpio), rainbow trout (Oncorhynchus mykiss) and tilapia (Oreochromis mossambicus). Plasma was obtained from animals after a 3 day fast in order to study the mobilization of fatty acids in a post-absorptive condition. Plasma [FFA] amounted to 0.95 in goldfish, 0.77 in both carp and rainbow trout and 0.30 μmol/ml in tilapia. The fatty acid composition was dominated by mono-unsaturates in goldfish and carp, whereas saturates were the main fatty acids in tilapia. The largest amount of PUFA was observed in rainbow trout (41%) which was considerably higher than in the other species (27–29%). The interspecies differences of plasma FFA levels and patterns are discussed in relation to the site of lipid storage, mobility and other factors.
Url:
DOI: 10.1016/0300-9629(94)90256-9
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<front><div type="abstract" xml:lang="en">The level and fatty acid composition of plasma free fatty acids (FFA) were determined in four important aquaculture teleost species: goldfish (Carassius auratus), common carp (Cyprinus carpio), rainbow trout (Oncorhynchus mykiss) and tilapia (Oreochromis mossambicus). Plasma was obtained from animals after a 3 day fast in order to study the mobilization of fatty acids in a post-absorptive condition. Plasma [FFA] amounted to 0.95 in goldfish, 0.77 in both carp and rainbow trout and 0.30 μmol/ml in tilapia. The fatty acid composition was dominated by mono-unsaturates in goldfish and carp, whereas saturates were the main fatty acids in tilapia. The largest amount of PUFA was observed in rainbow trout (41%) which was considerably higher than in the other species (27–29%). The interspecies differences of plasma FFA levels and patterns are discussed in relation to the site of lipid storage, mobility and other factors.</div>
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