THE LEVEL AND COMPOSITION OF FREE FATTY-ACIDS IN THE PLASMA OF FRESH-WATER FISH IN A POST-ABSORPTIVE CONDITION

被引：5
|
作者：
VANRAAIJ, MTM
机构：
[1] State University of Leiden, Dept. of Biology, Animal Physiology, P.O. Box 9502 Leiden, Gorlaeus laboratories
来源：
COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY A-PHYSIOLOGY | 1994年 / 109卷 / 04期
关键词：
FREE FATTY ACIDS; PLASMA; TELEOSTS; FISH; GOLDFISH; CARP; TROUT; TILAPIA; FASTING; POST-ABSORPTIVE CONDITION;
D O I：
10.1016/0300-9629(94)90256-9
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
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 mu mol/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 ire 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.
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页码：1067 / 1074
页数：8
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