A within-animal examination of postmortem ageing for up to 21 d on tenderness in the bovine longissimus thoracis and semimembranosus muscles

被引：13

作者：

Aalhus, JL ^{[1
]}

Dugan, MER ^{[1
]}

Robertson, WM ^{[1
]}

Best, DR ^{[1
]}

Larsen, IL ^{[1
]}

机构：

[1] Agr & Agri Food Canada, Meat Res, Lacombe Res Ctr, Lacombe, AB T4L 1W1, Canada

来源：

CANADIAN JOURNAL OF ANIMAL SCIENCE | 2004年 / 84卷 / 02期

关键词：

beef; ageing; tenderness; longissimus thoracis; semimembranosus;

D O I：

10.4141/A03-076

中图分类号：

S8 [畜牧、动物医学、狩猎、蚕、蜂];

学科分类号：

0905 ;

摘要：

The present research shows an interesting example of ageing up to 21 d having a differential effect on tenderness in the longissimus thoracis (LT) and semimembranosus (SM) muscles. When compared to 1 d postmortem, Warner-Bratzler shear (WBS) progressively decreased over time postmortem in the LT (12.05 kg at 1 d vs. 8.08 kg at 6 d, 6.95 kg at 14 d, and 5.52 kg at 21 d) but not in the SM (9.81 kg at 1 d vs. 8.19 kg at 6d, 8.43 kg at 14 d, and 9.30 kg at 21 d). Introduction of muscle-specific ageing times in industry could reduce tenderness variation and reduce refrigeration costs.

引用

页码：301 / 304

页数：4

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