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Protein Isolation from Mechanically Separated Turkey Meat (MSTM).

机译:从机械分离的土耳其肉(MSTM)中分离蛋白质。

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摘要

Mechanically separated turkey meat (MSTM) is one of the cheapest sources of protein; however its use for production of further-processed poultry products is limited due to undesirable composition. pH-shifting extraction was applied to overcome the problems associated with MSTM. In the first study the effect of acid pH-shifting extraction with the aid of citric acid and calcium ions on lipids and heme pigments removal from MSTM was investigated. The maximum removal of total, neutral and polar lipids was achieved with addition of 4, 6 and 2 mmol/L of citric acid, respectively. Addition of 6 or 8 mmol/L of citric acid was the most efficient for total heme pigments removal. In the second and third studies chemical, functional and rheological properties of proteins isolated from MSTM were investigated as influenced by different (2.5, 3.5, 10.5 and 11.5) extraction pH. Gel-forming ability was found the highest for pH 3.5 extracted protein.
机译:机械分离的火鸡肉(MSTM)是最便宜的蛋白质来源之一;然而,由于不希望的组成,其用于生产进一步加工的家禽产品的用途受到限制。应用pH转换萃取来克服与MSTM相关的问题。在第一个研究中,研究了借助柠檬酸和钙离子的酸性pH移相萃取对从MSTM去除脂质和血红素色素的影响。分别添加4、6和2 mmol / L柠檬酸可最大程度地去除总脂质,中性脂质和极性脂质。添加6或8 mmol / L的柠檬酸是去除血红素色素最有效的方法。在第二和第三次研究中,研究了从MSTM分离出的蛋白质的化学,功能和流变特性,其受不同(2.5、3.5、10.5和11.5)提取pH值的影响。发现pH 3.5提取蛋白的凝胶形成能力最高。

著录项

  • 作者

    Hrynets, Yuliya Victorivna.;

  • 作者单位

    University of Alberta (Canada).;

  • 授予单位 University of Alberta (Canada).;
  • 学科 Agriculture Food Science and Technology.
  • 学位 M.S.
  • 年度 2010
  • 页码 207 p.
  • 总页数 207
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 老年病学;
  • 关键词

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