食品科学 ›› 2008, Vol. 29 ›› Issue (3): 207-210.

• 工艺技术 • 上一篇    下一篇

膜分离技术制备蛋清卵转铁蛋白的工艺技术研究

 张铁华, 殷涌光, 张亭, 刘静波   

  1. 吉林大学生物与农业工程学院; 吉林大学军需科技学院; 吉林大学军需科技学院 吉林长春130001 吉林大学军需科技学院; 吉林长春130062; 吉林长春130001;
  • 出版日期:2008-03-15 发布日期:2011-08-24

Study on Membrane Separation Technology of Ovotransferrin from Egg White

 ZHANG  Tie-Hua, YIN  Yong-Guang, ZHANG  Ting, LIU  Jing-Bo   

  1. 1.College of Biology and Agriculture Engineering, Jilin University, Changchun 130001, China; 2.College of Quartermaster Technology, Jilin University, Changchun 130062, China
  • Online:2008-03-15 Published:2011-08-24

摘要: 利用微滤、超滤和钠滤技术,并结合冷冻干燥处理从蛋清中分离制备卵转铁蛋白(OVT)。结果表明,经5倍生理盐水稀释,20℃和40MPa均质处理后的蛋清液黏度适宜,微滤除杂质后,通过10kD超滤膜除去大分子蛋白,再经5kD超滤膜连续处理,回收浓液经纳滤脱盐浓缩,冷冻干燥即为卵转铁蛋白混合物。混合物经SDS-PAGE电泳分析,OVT的相对分子质量为80kD,OVT纯度为28.46%。

关键词: 蛋清, 膜分离技术, 卵转铁蛋白, 分离, 制备

Abstract: By microfiltratio,ultrafiltration and nanofiltration technology, and combining freeze-drying technology ovotransferrin(OVT) was extracted from egg white. Results showed that there is suitable liquid viscosity of egg white by 5 times normal sodium deliquation, 20 ℃ and 40 MPa homogen handling. After microfiltratio removing impurity, the big member proteins are removed through 10 kD ultrafiltration membrane, and then continuously through 5kD ultrafiltration membrane. Freeze-drying thick liquid obtained is OVT after nanofiltration desalination concentrate.The relative member quality of OVT is 80 kDa by SDS-PAGE, and OVT purity is 28.46%.

Key words: egg white, membrane separation technology, ovotransferrin(OVT), sparation, etraction