Extruded linseed and rapeseed both influenced fatty acid composition of total lipids and their polar and neutral fractions in longissimus thoracis and semitendinosus muscles of finishing Normand cows

被引：24

作者：

Habeanu, Mihaela ^{[1
,2
]}

Thomas, Agnes ^{[1
]}

Bispo, Esperanza ^{[1
,3
]}

Gobert, Mylene ^{[1
,4
]}

Gruffat, Dominique ^{[1
]}

Durand, Denys ^{[1
]}

Bauchart, Dominique ^{[1
]}

机构：

[1] Natl Inst Agron Res INRA, UMR Herbivores 1213, Res Ctr Clermont Ferrand Theix, F-63122 St Genes Champanelle, France

[2] Natl Res Dev Inst Biol & Anim Nutr IBNA, Balotesti, Romania

[3] Mabegondo Res Ctr, Dept Anim Prod, La Coruna 15080, Spain

[4] Natl Inst Agron Res INRA, Res Ctr Clermont Ferrand Theix, UR QuaPa 0370, F-63122 St Genes Champanelle, France

来源：

MEAT SCIENCE | 2014年 / 96卷 / 01期

关键词：

Finishing cow; Linseed; Rapeseed; Muscle; Lipid; Fatty acid; CONJUGATED LINOLEIC-ACID; ADIPOSE-TISSUE; MEAT QUALITY; CARCASS CHARACTERISTICS; BEEF-CATTLE; SENSORY CHARACTERISTICS; CHEMICAL-COMPOSITION; PLASMA-LIPOPROTEINS; INTRAMUSCULAR FAT; HOLSTEIN BULLS;

D O I：

10.1016/j.meatsci.2013.06.009

中图分类号：

TS2 [食品工业];

学科分类号：

100403 [营养与食品卫生学];

摘要：

The effects of extruded linseed and rapeseed on lipids and FA composition of total, polar and neutral lipids of longissimus thoracis (LT) and semitendinosus (ST) muscles were investigated in 21 Normand cull cows. Animals were assigned in a 100d finishing period to straw (30%) and concentrate (70%) based (C) or the same diet supplemented with linseed (L) or with rapeseed (66%) plus linseed (33%) (RL). Beef polar and neutral lipids were purified by liquid chromatography and their FA analysed by GLC. Trans and cis 18:1, purified by HPLC from total FA methyl esters, were analysed by GLC-MS. L and LR diets did not increase beef lipid deposition, but had modified FA composition of both LT and ST muscles in favouring deposition of 18:3n-3 and 9cis,11tr 18:2 (CIA), mainly to the detriment of 18:1 Delta 9 cis (neutral lipids) and 18:2n-6 (polar lipids). However, they did not favour deposition of LC n-3 PUFA in the two muscles, but had increased deposition of trans 18:1 significantly, especially of Delta 13tr to Delta 16tr isoforms to the detriment of Delta 10tr 18:1 (L diet) and of Delta 11tr 18:1 (RL diet). (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：99 / 107

页数：9

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