Shear force analysis as an indicator of changes in mechanical strength of isolated beef intramuscular connective tissue during aging

被引：0
|
作者：
Nordyke, JG
Kuber, PS
Martin, EL [1 ]
De Avila, DM
Reeves, JJ
Duckett, SK
机构：
[1] Washington State Univ, Dept Anim Sci, Pullman, WA 99164 USA
[2] Univ Idaho, Dept Vet & Anim Sci, Moscow, ID 83210 USA
来源：
JOURNAL OF MUSCLE FOODS | 2000年 / 11卷 / 03期
关键词：
D O I：
10.1111/j.1745-4573.2000.tb00427.x
中图分类号：
TS2 [食品工业];
学科分类号：
0832 ;
摘要：
Intramuscular connective tissue (IMCT) was isolated from bovine semitendinosus (ST) muscles aged 3, 5, 7 10, 14, 21, 28, and 35 days postmortem. Shear force values were collected from raw ST muscle and IMCT preparations to determine changes in mechanical strength (resistance to shearing) of the connective tissue fibers during postmortem aging. Statistical analysis indicated significant differences in mean shear force values of isolated IMCT preparations between aging periods (P < 0.001) but no consistent pattern of change in shear force values was detected. No significant change in shear force values of raw ST muscle during postmortem aging (P > 0.05) was observed. Other investigators have incorporated the same procedure and reported decreasing shear force values with increased aging times for IMCT preparations and raw ST samples. Our results were not in agreement with these findings.
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页码：227 / 233
页数：7
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