STRUCTURAL-CHANGES IN BEEF MUSCLE DURING AGING

被引:24
作者
DAVEY, CL [1 ]
GRAAFHUIS, AE [1 ]
机构
[1] MEAT IND RES INST NEW ZEALAND INC, HAMILTON, NEW ZEALAND
关键词
D O I
10.1002/jsfa.2740270402
中图分类号
S [农业科学];
学科分类号
09 ;
摘要
The aging of beef muscle set in rigor mortis while restrained at twice its resting, excised length was examined. Aging leads to opening of gaps between the A and I bands of the sarcomere. With the shrinkage of both bands during cooking, the gaps become the major feature of the sarcomere and develop within the tenderizing time-scale. As such they represent the most distinct structural change yet encountered to explain the phenomenon of aging. A possible reconciling of the contradictory views of aging-splitting at the A-I junctions and decay of Z lines-is discussed.
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页码:301 / 306
页数:6
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