食品科学 ›› 2009, Vol. 30 ›› Issue (23 ): 22-26.doi: 10.7506/spkx1002-6300-200923003

• 基础研究 • 上一篇    下一篇

传统中式牛肉干生产过程中蛋白质流失情况分析

程传波1,2,朱秋劲1,3,*,夏先林4,杨 琴1   

  1. 1.贵州大学生命科学学院食品系 2.修文县食品药品监督管理局 3.国家牛肉加工技术研发分中心 4.贵州大学动物科学学院动物科学系
  • 收稿日期:2009-07-13 出版日期:2009-12-01 发布日期:2010-12-29
  • 通讯作者: 朱秋劲 E-mail:ls.qjzhu@gzu.edu.cn
  • 基金资助:

    “十一五”国家科技支撑计划项目(2007BAD53B03);贵州省农业攻关项目(黔科合NY 字2008-3030 号);贵州大学博士基金项目(2007-036)

Protein-losing Analysis of Beef Jerky during Traditional Preparation

CHENG Chuan-bo1,2,ZHU Qiu-jin1,3,*,XIA Xian-lin4,YANG Qin1   

  1. 1. Department of Food Nutrition and Safety, College of Life Science, Guizhou University, Guiyang 550025, China;2. Xiuwen
    Food and Drug Administration, Xiuwen 550200, China ;3. National Beef Processing Technology R&D Sub-centre, Huishui
    550600, China;4. Department of Animal Science, College of Animal Science, Guizhou University, Guiyang 550025, China
  • Received:2009-07-13 Online:2009-12-01 Published:2010-12-29
  • Contact: ZHU Qiu-jin E-mail:ls.qjzhu@gzu.edu.cn

摘要:

以牛肉为原料,调查自然解冻、微波解冻、流水解冻方法对蛋白质流失的影响。针对中式传统牛肉干预煮工艺,采用正交试验设计探讨了不同解冻方式、预煮时间、肉块大小和水料比对预煮后牛肉粗蛋白含量的影响,并测定了预煮液中固形物和粗蛋白的含量。结果显示:牛肉粗蛋白含量为20.64%,在解冻和预煮环节蛋白质流失分别为1.42%、5.95%;牛肉在加工过程中蛋白质流失情况总体为1.53g/100g,流失蛋白质占总蛋白量的7.37%;采用微波解冻的方法,预煮60min 的蛋白质流失最少,可使预煮后牛肉蛋白质含量损失最小;牛肉预煮液中蛋白质的含量为1.03g/100ml,固形物含量为2.08g/100ml。

关键词: 牛肉干, 解冻, 预煮液, 含氮浸出物, 蛋白质

Abstract:

In order to investigate effects of natural thawing, microwave thawing and water thawing on protein-losing, protein content in beef was determined during traditional preparation processing such as different thawing styles, pre-cooking times, meat loaf sizes, and water-material ratios. Crude protein in beef was determined to be 20.64%. Protein loss was 1.42%, 5.95% and 7.37% during thawing, pre-cooking and preparation processes, respectively. The lowest protein loss was observed in beef through microwave thawing and 60 min of pre-cooking. Through this treatment, protein amount and solid residue in pre-cooking soup were 1.03 g/100ml and 2.08 g/100ml, respectively.

Key words: beef jerky, thawing, pre-cooking soup, nitrite extraction, protein

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