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纳豆激酶稳定性的研究

董明盛 江晓 刘诚 江汉湖

食品与发酵工业2001,Vol.27Issue(4):13-15`,2.
食品与发酵工业2001,Vol.27Issue(4):13-15`,2.

纳豆激酶稳定性的研究

Study on the Stability of Nattokinase from Bacillus subtilis NK-5

董明盛 1江晓 1刘诚 1江汉湖1

作者信息

  • 1. 南京农业大学食品科技学院,
  • 折叠

摘要

Abstract

The factors that affect the stability of nattokinase were studied in this paper. The results showed that the optimum pH and temperature for the stability were pH 7~9 and less than 37℃ respectively. Mg2+ and Co2+ could activate enzymatic activity, Al3+ and Cu2+ could inhibate the activity, Hg2+ could inactivate nattokinase quickly. Some organic substances such as serum albumin, glycerol, propylene glycol, sodium alginate, peptone and gelatin could improve the stability of nattokinase. In addition, gelatin was found to be the best stabilizer for nattokinase.

关键词

纳豆激酶纤溶活性稳定性纳豆枯草杆菌

分类

轻工纺织

引用本文复制引用

董明盛,江晓,刘诚,江汉湖..纳豆激酶稳定性的研究[J].食品与发酵工业,2001,27(4):13-15`,2.

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