N-3 fatty acid content in beef

被引：0
|
作者：
Ender, K [1 ]
Nürnberg, K [1 ]
Papstein, HJ [1 ]
机构：
[1] Forschungsinst Biol Landwirtschaftlicher Nutztier, D-18196 Dummerstorf, Germany
来源：
FLEISCHWIRTSCHAFT | 2000年 / 80卷 / 06期
关键词：
fatty acid; muscle; beef;
D O I：
暂无
中图分类号：
TS2 [食品工业];
学科分类号：
0832 ;
摘要：
The fatty composition of adipose tissue and intramuscular fat can be changed by different factors like diet, breed, sex, growth, hormones, species, and fatness. The influence of growth, breed and feeding on the fatty acid composition of ruminant muscle fat was investigated. There were significant differences in quantitative and qualitative fat deposition which were genetically caused. Muscle of Galloway and White-blue Belgian bulls contained a high n-3 fatty acid content which is positive for human nutrition. The fatty acid composition of concentrate (grain-based) and grass (keeping on pasture) diets are quite different and lead to different compositions in muscle of steers. The exogenous intake of alpha-linolenic acid via grass increased the concentration of n-3 fatty acids in beef.
引用
收藏
页码：84 / 86
页数：3
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