Effect of electrical stimulation and hot boning on the eating quality of Gannan yak longissimus lumborum

文献类型： 外文期刊

第一作者： Lang, Yumiao

作者： Lang, Yumiao;Sha, Kun;Xie, Peng;Sun, Baozhong;Li, Haipeng;Zhang, Li;Zhang, Songshan;Liu, Xuan;Zhang, Rui;Luo, Xin

作者机构：

关键词： Gannan yak;Hot boning;Cold boning;Electrical stimulation;Tenderness

期刊名称：MEAT SCIENCE （ 影响因子：5.209； 五年影响因子：5.305 ）

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收录情况： SCI

摘要： The objective of this study was to evaluate the effects of electrical stimulation (ES) versus non-electrical stimulation (NES) and type of boning (hot versus cold) on the eating quality of Gannan yak longissimus lumborum. Eighteen Gannan yak bulls were randomly divided into two groups; ES and NES. Hot boning (HB) and cold boning (CB) were applied to the left and right side of the carcasses, respectively. All of the four treatments missed the "ideal" pH/temperature window. HE reduced the rate of pH decline, decreased meat tenderness and water holding capacity. ES increased the rate of pH decline and improved yak meat tenderness (P < 0.05); however, ES explained only 1% of the variation in WBSF. HB and ES had no significant effects on cooking loss, L* or b* values of yak meat. Postmortem aging increased yak meat tenderness and improved meat color parameters. HB had negative effects on yak meat quality, while ES could not reverse these deleterious effects. (C) 2015 Elsevier Ltd. All rights reserved.

分类号： TS25

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