Types of Oilseed and Adipose Tissue Influence the Composition and Relationships of Polyunsaturated Fatty Acid Biohydrogenation Products in Steers Fed a Grass Hay Diet

Overview

Journal Lipids

Specialty Biochemistry

Date 2014 Jan 9

PMID 24399450

Citations 3

Authors

C Mapiye

J L Aalhus

T D Turner

D C Rolland

J A Basarab

V S Baron

T A McAllister

H C Block

S D Proctor

M E R Dugan

Affiliations

Soon will be listed here.

Abstract

The current study evaluated the composition and relationships of polyunsaturated fatty acid biohydrogenation products (PUFA-BHP) from the perirenal (PRF) and subcutaneous fat (SCF) of yearling steers fed a 70 % grass hay diet with concentrates containing either sunflower-seed (SS) or flaxseed (FS). Analysis of variance indicated several groups or families of structurally related FA, and individual FA within these were affected by a number of novel oilseed by fat depot interactions (P < 0.05). Feeding diets containing SS increased the proportions of non-conjugated 18:2 BHP (i.e., atypical dienes, AD) and conjugated linoleic acids (CLA) with the first double bond from carbon 7 to 9, trans-18:1 isomers with double bonds from carbon 6 to 12, and these PUFA-BHP had greater proportions in SCF compared to PRF (P < 0.05). Enrichment of conjugated linolenic acids, AD and CLA isomers with the first double bond in position 11 or 12, and t-18:1 isomers with double bonds from carbon 13 to 16 were achieved by feeding diets containing FS, with PRF having greater proportions than SCF (P < 0.05). Principal component analysis visually confirmed interaction effects on these groups/families of FA, and further confirmed or suggested a number of relationships between PUFA-BHP. Feeding SS or FS in a grass hay diet and exploiting adipose tissue differences, therefore, present unique opportunities to differentially enrich a number of PUFA-BHP which seem to have positive health potential in humans (i.e., t11-18:1, c9,t11-18:2 and c9,t11,c15-18:3).

Citing Articles

Sequential Feeding of Lipid Supplement Enriches Beef Adipose Tissues with 18:3n-3 Biohydrogenation Intermediates.

Vahmani P, Aalhus J, Rolland D, McAllister T, Prieto N, Block H Lipids. 2017; 52(7):641-649.

PMID: 28547181 DOI: 10.1007/s11745-017-4259-9.

Beef Fat Enriched with Polyunsaturated Fatty Acid Biohydrogenation Products Improves Insulin Sensitivity Without Altering Dyslipidemia in Insulin Resistant JCR:LA-cp Rats.

Diane A, Borthwick F, Mapiye C, Vahmani P, David R, Vine D Lipids. 2016; 51(7):821-31.

PMID: 27072368 DOI: 10.1007/s11745-016-4148-7.

Improving beef hamburger quality and fatty acid profiles through dietary manipulation and exploitation of fat depot heterogeneity.

Mapiye C, Aalhus J, Vahmani P, Rolland D, McAllister T, Block H J Anim Sci Biotechnol. 2015; 5(1):54.

PMID: 25810905 PMC: 4373243. DOI: 10.1186/2049-1891-5-54.

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