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猪肌肉嫩度测定方法的改进 被引量:4

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摘要 为改进肌肉嫩度的测定方法,优化嫩度测定时肉样的水浴终止温度和肉样的大小,以减小嫩度测定值间的变异系数。采用经4℃冷藏熟化96 h后的背最长肌,修剪长×宽×高分别为8 cm×5 cm×4 cm和5 cm×5 cm×4 cm的整块肉样,分别放入已经设置水浴终止温度为70、72、74、76、78、80℃的恒温水浴锅中,水浴初始温度均为30℃,持续加热至肉样中心温度为70℃时取出。肉样冷却至室温后,一半立即进行剪切力测定,另一半于4℃过夜后进行剪切力测定,对比肌肉剪切力和变异系数,筛选适宜的肉样处理方式。结果表明,水浴终止温度为72~74℃两种大小肉块的剪切力及其变异系数低于水浴终止温度为70℃、76~80℃的肉块,而且水浴终止温度介于72~74℃时8 cm×5 cm ×4 cm肉块外周样品的剪切力和变异系数最高;室温或4℃过夜剪切力及其变异系数无明显差异。结论:肌肉嫩度测定肉样水浴终止温度以72~74℃为宜。水浴处理肉块不宜太大,肉块较大时,应距离肉块边缘20 mm以上钻取肉样进行剪切力测定;肉块较小时,距离肉块边缘5 mm以上钻取肉样进行剪切力测定。水浴处理肉块冷却后,室温或4℃过夜测定均不影响肌肉的剪切力。
出处 《养猪》 2014年第3期61-64,共4页 Swine Production
基金 国家生猪产业技术体系(CARS-36) 山东省自然基金(ZR2011CQ008) 山东省农业良种工程(2011LZ08) 国家自然基金(31172245)
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参考文献12

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二级参考文献20

  • 1Warriss P D.Meat Science (2nd ed).Oxon:CABI Publishing,2001:108-113.
  • 2Bredahl L,Grunert K G,Fertin C.Relating consumer perceptions of pork quality to physical product characteristics.Food Quality and Preference,1998,9 (4):273-281.
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  • 4Caine W R,Aalhus J L,Best D R,Dugan M E R,Jeremiah L E.Relationship of texture profile analysis and Warner-Bratzler shear force with sensory characteristics of beef rib steaks.Meat Science,2003,64:333-339.
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  • 6刘万峰,陈润生.猪肉嫩度(剪切力值)测定前处理方法的研究.猪肉品质研究参考资料汇编,1990,3:6-24.
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引证文献4

二级引证文献17

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