食品科学 ›› 2004, Vol. 25 ›› Issue (8): 121-124.

• 专家约稿 • 上一篇    下一篇

牛血铜锌超氧化物歧化酶分离提取新工艺

 张良, 薛刚, 张彩莹, 黄开勋   

  1. 华中科技大学化学系,南阳理工学院,南阳师范学院,
  • 出版日期:2004-08-15 发布日期:2011-10-24

Extraction New Technology of Bovine Blood Copper and Zinc Superoxide Dismutase (Cu, Zn-SDD)

 ZHANG  Liang, XUE  Gang, ZHANG  Cai-Ying, HUANG  Kai-Xun   

  1. 1.Department of Chemical, Huazhong Science and Technology University;2.Nanyang Scinece and Technology College;3.Nanyang Normal College
  • Online:2004-08-15 Published:2011-10-24

摘要: 在传统制备超氧化物歧化酶的基础上,进行工艺改进。直接用血块,采用机械破碎法破膜,热变性及两次乙醇-氯仿沉淀除杂蛋白,然后丙酮沉淀,按照此工艺分离提取获得高纯度的Cu,Zn-SOD,比活达到6988U/mg•pro。

关键词: 牛血, 铜锌超氧化物歧化酶(Cu, Zn-SOD), 分离提取, 新工艺

Abstract: A new procedure is designed based on the conventional method. Higher purity Cu,Zn-SOD is obtained by thermaldenaturalization, twice ethanol-chloroform to remove other protein, acetone precipitation. Its specific activity is 6988U/mg•pro.

Key words: bovine blood, copper and zinc superoxide dismutase(Cu,Zn-SOD), extraction, new technology