Effect of Linseed Oil Dietary Supplementation on Fatty Acid Composition and Gene Expression in Adipose Tissue of Growing GoatsReportar como inadecuado




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BioMed Research InternationalVolume 2013 2013, Article ID 194625, 11 pages

Research Article

Department of Veterinary Preclinical Sciences, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia

Institute of Tropical Agriculture, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia

Department of Animal Science, Faculty of Agriculture, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia

Division of Nutrition, Department of Farm Animal Health, Faculty of Veterinary Medicine, Utrecht University, P.O.
Box 80151, 3508 TD Utrecht, The Netherlands

Received 18 October 2012; Revised 21 December 2012; Accepted 21 December 2012

Academic Editor: Andre Van Wijnen

Copyright © 2013 M.
Ebrahimi et al.
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

This study was conducted to determine the effects of feeding oil palm frond silage based diets with added linseed oil LO containing high α-linolenic acid C18:3n-3, namely, high LO HLO, low LO LLO, and without LO as the control group CON on the fatty acid FA composition of subcutaneous adipose tissue and the gene expression of peroxisome proliferator-activated receptor PPARα, PPAR-γ, and stearoyl-CoA desaturase SCD in Boer goats.
The proportion of C18:3n-3 in subcutaneous adipose tissue was increased by increasing the LO in the diet, suggesting that the FA from HLO might have escaped ruminal biohydrogenation.
Animals fed HLO diets had lower proportions of C18:1 trans-11, C18:2n-6, CLA cis-9 trans-11, and C20:4n-6 and higher proportions of C18:3n-3, C22:5n-3, and C22:6n-3 in the subcutaneous adipose tissue than animals fed the CON diets, resulting in a decreased n-6:n-3 fatty acid ratio FAR in the tissue.
In addition, feeding the HLO diet upregulated the expression of PPAR-γ but downregulated the expression of SCD in the adipose tissue.
The results of the present study show that LO can be safely incorporated in the diets of goats to enrich goat meat with potential health beneficial FA i.e., n-3 FA.





Autor: M.
Ebrahimi, M.
A.
Rajion, Y.
M.
Goh, A.
Q.
Sazili, and J.
T.
Schonewille


Fuente: https://www.hindawi.com/



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