食品科学 ›› 1998, Vol. 19 ›› Issue (9): 5-8.

• 食品科学 •    下一篇

单宁酶的制备及其澄清茶饮料的动力学研究

 龚加顺, 邓剑盈, 刘勤晋   

  1. 西南农业大学食品科学学院
  • 出版日期:1998-09-15 发布日期:2011-12-12

Studies on Preparation of Tannase and its Kinetics on Clarification of Tea extracts

 GONG  Jia-Shun, DENG  Jian-Ying, LIU  Qin-Jin   

  • Online:1998-09-15 Published:2011-12-12

摘要: 研究了微生物发酵法制备单宁酶及其对茶提取液澄清化的催化动力学。结果表明:以10%浓度的茶提取液,加入3%的单宁酶液,在35℃、pH6.0的条件下反应速率最佳,其催化动力学方程为:

关键词: 茶饮料, 单宁酶, 澄清, 动力学

Abstract: The preparation of tannase in Aspergillus niger 9701 and it’s kinetics on clarification of tea extracts were studied. The results were as bellow: the highest velocity at 1% tea extracts, 3% tannase addition, temperature 35℃ and pH6. 0. The catalytic kinetics equation was as follow:

Key words: Tea extracts Tannase Clarification kinetics