The effects of post-mortem electrical stimulation and muscle tensioning in two broiler muscles

被引：4
|
作者：
Walker, LT [1 ]
Birkhold, SG [1 ]
Kang, IS [1 ]
Hirschler, EM [1 ]
Sams, AR [1 ]
机构：
[1] TEXAS A&M UNIV,DEPT POULTRY SCI,COLLEGE STN,TX 77843
来源：
POULTRY SCIENCE | 1996年 / 75卷 / 09期
关键词：
rigor mortis; electrical stimulation; muscle tensioning; tenderness; muscle fiber type;
D O I：
10.3382/ps.0751118
中图分类号：
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号：
0905 ;
摘要：
High voltage post-mortem electrical stimulation (ES) and muscle tensioning during chilling (MT) were applied to broiler carcasses to determine the effect of this combined treatment on absorbance ratio (R-value), sarcomere shortening, and myofibrillar fragmentation in muscles of differing fiber type composition. The ES + MT treatment resulted in a greater effect on these three parameters in the posterior Latissimus dorsi (predominately twitch-glycolytic) than in the anterior L. dorsi (predominately tonic-oxidative). The differing responses of these two muscles to the ES + MT treatment combination may be useful in explaining the effects of rigor-accelerating treatments such as ES + MT in avian and mammalian muscles.
引用
收藏
页码：1118 / 1120
页数：3
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