Object's details: Influence of consumption of high oleic sunflower oil on the biosynthesis of fatty acids in the liver of rats

Provider:Akademicka Platforma Czasopism

Description

Title:
Influence of consumption of high oleic sunflower oil on the biosynthesis of fatty acids in the liver of rats
Creator:
Levitsky, A.;
Egorov, B.;
Lapinskaya, A.;
Selivanskaya, I.;
Velichko, V.
Description:
Background. To determine the effect of consumption of high-oleic sunflower oil on the content and biosynthesis of energy and polyunsaturated (PUFA) fatty acids in rat liver lipids. Methods. Rats received a semi-synthetic fat-free diet in which 5 % or 15 % starch was replaced with high oleic sunflower oil. One group of rats received a diet with 5 % regular (high linoleic) sunflower oil. The duration of feeding was 30 days. Liver lipids were divided into three fractions: neutral lipids, phospholipids and free fatty acids, in which the fatty acid composition was determined by gas chromatography. The "activity" of fatty acid synthase, palmitic acid elongase, and stearyl-CoA desaturase (SCD18) was determined by the ratio of fatty acid content. Results. It was found that the largest amount (60-80 %) of fatty acids in liver lipids are energy (C16:0 + C16:1 + C18:0 + C18:1). PUFA account for 10-30% of all fatty acids, and they are also found in the liver lipids of rats fed a free-fat diet (FFD). Fatty diets reduce the "activity" of synthase, but increase the "activity" of elongase and desaturase. A diet with high linoleic sunflower oil reduces the content of ω-3 PUFA in lipids, while a diet with high oleic sunflower oil increases it dose-dependently. Fatty diets containing high oleic sunflower oil dose-dependently reduce the "activity" of palmitic acid desaturase (SCD16). Consumption of high linoleic sunflower oil sharply increases the ratio of ω-6/ω-3 PUFA in liver lipids, while diets with high oleic oil reduce it dose-dependently.
Object availability:
free access
Rights:
Prawa autorskie (c) 2022 A. Levitsky, B. Egorov, A. Lapinskaya, I. Selivanskaya, V. Velichko;
http://creativecommons.org/licenses/by-nc-sa/4.0
Date:
2022.04.26
Type:
info:eu-repo/semantics/article;
info:eu-repo/semantics/publishedVersion
Language:
English
Source:
Journal of Education, Health and Sport; Vol. 12 No. 4 (2022); 173-185;
Journal of Education, Health and Sport; Tom 12 Nr 4 (2022); 173-185;
2391-8306
Format:
application/pdf
Publisher:
Nicolaus Copernicus University, Toruń, Poland
Relation: https://apcz.umk.pl/JEHS/article/view/38112/32072
Subject:
liver lipids;
fatty acids;
ω-3 PUFA;
oleic acid;
fatty acid biosynthesis
Identifier: https://apcz.umk.pl/JEHS/article/view/38112
Data provider:
Akademicka Platforma Czasopism

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Object's details: Influence of consumption of high oleic sunflower oil on the biosynthesis of fatty acids in the liver of rats

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