Metabolism of fatty acids in fish. I. Development of essential fatty acid deficiency in the carp, Cyprinus carpio Linnaeus 1758

T. Farkas, István Csengeri, Ferenc Majoros, János Oláh

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Carp, 15-25 g in weight, were maintained on diets containing linolenic acid in various concentrations (0.5, 1.0, 3.4 and 11.1 mg/g food) for 4 weeks and the fatty acid composition of liver total lipids as well as that of liver triglycerides and phospholipids was determined. The fish ingesting the diet containing 1.1% linolenate accumulated only negligible amounts of 20:3 ω 9 and exhibited a low ratio of 20:3 ω 9 to 22:6 ω 3 (0.07) in the total lipid. This ratio increased from 0.33 to 2.00 in liver total lipids of fish ingesting 3.4, 1.0 and 0.5 mg linolenic acid in 1 g of food. This effect was more pronounced in the phospholipids. The level of oleic acid in triglycerides was inversely related to the concentration of linolenic acid in the diet. Linoleic acid at a concentration of 13-16 mg/g food was unable to prevent the accumulation of 20:3 ω 9 in the lipids of fish ingesting diets containing a low level of linolenate. The possible effects of dietary linolenate on the fatty acid metabolism of fish are discussed.

Original languageEnglish
Pages (from-to)147-157
Number of pages11
JournalAquaculture
Volume11
Issue number2
DOIs
Publication statusPublished - 1977

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fatty acid metabolism
essential fatty acids
Cyprinus carpio
carp
fatty acid
linolenic acid
metabolism
lipid
acid
diet
lipids
fish
liver
phospholipids
phospholipid
triacylglycerols
food
oleic acid
linoleic acid
fatty acid composition

ASJC Scopus subject areas

  • Aquatic Science

Cite this

Metabolism of fatty acids in fish. I. Development of essential fatty acid deficiency in the carp, Cyprinus carpio Linnaeus 1758. / Farkas, T.; Csengeri, István; Majoros, Ferenc; Oláh, János.

In: Aquaculture, Vol. 11, No. 2, 1977, p. 147-157.

Research output: Contribution to journalArticle

Farkas, T. ; Csengeri, István ; Majoros, Ferenc ; Oláh, János. / Metabolism of fatty acids in fish. I. Development of essential fatty acid deficiency in the carp, Cyprinus carpio Linnaeus 1758. In: Aquaculture. 1977 ; Vol. 11, No. 2. pp. 147-157.
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