期刊
MEAT SCIENCE
卷 61, 期 1, 页码 91-102出版社
ELSEVIER SCI LTD
DOI: 10.1016/S0309-1740(01)00169-3
关键词
crosslinking; collagen; double-muscled; tenderness
The relationship between intramuscular collagen and five collagen crosslink concentrations. and the tenderness of meat from Belgian Blue normal, heterozygous double-muscled (DM) and homozygous DM cattle was investigated using;W. semitendinosus (St) and M. gluteobiceps (Gb). The histidinohydroxymerodesmosine (HHMD) concentration (per mol collagen) in St was less in DM animals than normal animals. Concentrations (per gram of wet meat) of HHMD and Erlich chromogen (EC) in Cb, and HHMD, EC, dihydroxylysinorleucine (DHLNL) and hydroxylysinorleucine (HLNL) in St were also lower in DM animals than normal animals. Shear force of raw meat was significantly greater in normal animals than DM for both muscles, cooked meat shear force was greater in the normal animals for the Gb muscles only, showing a good correlation with sarcomere length. Most correlations between shear force and collagen or crosslink concentrations were not significant and those that were highly significant were generally weak. (C) 2002 Elsevier Science Ltd, All rights reserved.
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