食品科学 ›› 2007, Vol. 28 ›› Issue (6): 218-221.

• 生物工程 • 上一篇    下一篇

鱼肽的酶法制备工艺及其特性的研究

 陈季旺, 夏文水, 胡畔, 舒静   

  1. 武汉工业学院食品学院; 武汉工业学院食品学院 湖北武汉430023; 湖北武汉430023江南大学食品学院; 江苏无锡214036; 湖北武汉430023;
  • 出版日期:2007-06-15 发布日期:2011-12-31

Study on Preparation and Characterization of Fish Peptides by Enzymatic Hydrolysis

 CHEN  Ji-Wang, XIA  Wen-Shui, HU  Pan, SHU  Jing   

  1. 1.School of Food Technology and Science , Wuhan Polytechnic Unversity, Wuhan 430023, China; 2.School of Food Science and Technology, Southern Yangtze Unversity, Wuxi 214036, China
  • Online:2007-06-15 Published:2011-12-31

摘要: 本实验采用碱性蛋白酶水解鱼蛋白制备鱼肽。其水解草鱼蛋白的较佳工艺条件为:底物浓度为30%、pH9.0、温度50℃、酶与底物比48AU/kg、时间120min。在此条件下对鱼肽进行制备,鱼肽的得率为76.48%,纯度为72.81%。鱼肽溶解度的测定结果显示,鱼肽具有良好的溶解性,可以在食品中广泛应用。

关键词: 草鱼, 肽, 碱性蛋白酶, 工艺

Abstract: In the paper fish protein was hydrolyzed by proteases for preparing fish peptide. The optimum hydrolysis conditions for alcalase are as follows: concentration of fish protein 30%, pH9.0, 50 ℃, ratio of alcalase to fish protein 48 AU/kg, time 120 min. Under these conditions, 76.48%(W/W) of fish peptides with 72.81% purity. Fish peptides with better solubility can be extensively used in the food.

Key words:  , grass carp; peptide; alcalase; process;