食品科学 ›› 2005, Vol. 26 ›› Issue (7): 175-176.

• 分析检测 • 上一篇    下一篇

管碟法测定nisin效价的改进

 焦世耀, 张兰威, 李春   

  1. 东北农业大学食品学院
  • 出版日期:2005-07-15 发布日期:2011-09-19

Improved Oxford Assay on Estimation of Nisin

 JIAO  Shi-Yao, ZHANG  Lan-Wei, LI  Chun   

  1. College of Food Science, Northeast Agricultural University
  • Online:2005-07-15 Published:2011-09-19

摘要: 菌液浓度是影响nisin效价测定的一个主要因素。采用黄色微球菌28009-1作为检测菌株,其菌悬液的OD600值为0.08准确度和灵敏度最高。

关键词: nisin, 效价, 管碟法

Abstract: The suspension concentration of organism is a main factor influencing potency of nisin to be determined. Micrococcusflavus 28009-1 was the assay organism. When OD600 values equaled to 0.08, both the sensitivity and the accuracy were good.

Key words: nisin, potency, oxford assay