食品科学 ›› 2009, Vol. 30 ›› Issue (3): 201-203.doi: 10.7506/spkx1002-6630-200903045

• 生物工程 • 上一篇    下一篇

乳链菌肽热稳定性的研究

柴丽红,孙高奎   

  1. 长安大学环境科学与工程学院
  • 收稿日期:2008-01-15 修回日期:2008-05-15 出版日期:2009-02-01 发布日期:2010-12-29
  • 通讯作者: 柴丽红 E-mail:chailh@chd.edu.cn

Study on Thermal Stability of Nisin Solution

CHAI Li-hong,SUN Gao-kui   

  1. (College of Environmental Science and Engineering, Chang'an University, Xi'an 710054, China)
  • Received:2008-01-15 Revised:2008-05-15 Online:2009-02-01 Published:2010-12-29
  • Contact: CHAI Li-hong, E-mail:chailh@chd.edu.cn

摘要:

本实验初步研究了pH1.0~5.0 条件下0%~9% 的海藻糖对乳链菌肽(Nisin)热稳定性的影响。结果表明:pH 值对Nisin 热稳定性有显著影响,无海藻糖加入时,Nisin 溶液在pH3.0 时其自身的热稳定性最强;海藻糖对Nisin 溶液热稳定性具有显著保护作用。海藻糖可作为Nisin 的一种良好保护剂。

关键词: 乳链菌肽, 稳定性, pH, 海藻糖

Abstract:

Effects of trehalose on thermal stability of nisin solution at pH 1.0 to 5.0 were studied. The results showed that pH value has a remarkable effect on the thermal stability of nisin which is the strongest at pH 3.0. Trehalose is beneficial to the thermal stability of nisin at pH 1.0 to 5.0. Therefore, trehalose can be used as a protective agent for nisin solution during autoclaving process.

Key words: nisin, stability, pH values, trehalose

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