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Influence of different production strategies on the stability of color, oxygen consumption and metmyoglobin reducing activity of meat from Ningxia Tan sheep

文献类型： 外文期刊

作者： Gao, Xiaoguang;Miao, Jing;Xie, Li;Dai, Yan;Li, Xingmin;Dai, Ruitong;Gao, Xiaoguang;Chen, Yong;Luo, Hailing;Wang, Zhenyu

作者机构：

关键词： Tan sheep;Pasture- or feedlot-fed;Herbage- or concentrate -based diet;Duration of grazing;Metmyoglobin reducing activity;Oxygen consumption rate

期刊名称： MEAT SCIENCE

ISSN： 0309-1740

年卷期： 2014 年 96 卷 2 期

页码：

收录情况： SCI

摘要： Fifty male Ningxia Tan sheep were randomly divided into five groups (10 per group). Different feeding strategies were applied to each group for 120 days prior to slaughter. The sheep belong to five groups were pastured for Oh (feedlot-fed), 2 h, 4 h, 8 h, 12 h per day on a natural grazing ground, respectively. M. semitendinosus muscle from Tan sheep was obtained after slaughter. Instrumental color, pH values, oxygen consumption rate, metmyoglobin reducing activity and relative metmyoglobin percentages were analyzed after 1, 3, 5, 7 and 9 days of refrigerated storage. Long-term daily grazing and herbage-based diet were conducive to maintain a lower oxygen consumption rate, higher metmyoglobin reducing activity and lower metmyoglobin accumulation. The combination of pasture-fed and feedlot-fed was conducive to weight gain, and at the same time, increased the color stability of the meat from Ningxia Tan sheep. (C) 2013 Elsevier Ltd. All rights reserved.

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