FOOD SCIENCE ›› 2008, Vol. 29 ›› Issue (9): 393-395.

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Study on Properties of Lipase Purified from Glutinous Rice Wine

 XUE  Lu, HU  Zhi-He, HONG  Zhen-Wei   

  1. Tianjin Key Laboratory of Food Biotechnology,Department of Food Science and Technology,Tianjin University of Commerce,Tianjin 300134,China
  • Online:2008-09-15 Published:2011-12-08

Abstract: The properties of lipase from glutinous rice wine which could coagulate Chinese royal cheese were studied in order to research the relationship between lipase and the flavor of Chinese royal cheese. In this experiment, the optimum temperature and pH of lipase are 45 ℃ and 6.0 respectively. The enzyme activity is stable under 50 ℃ and pH from 6.0 to 7.0. Na+, K+, Ca2+ and Mg2+ increase the enzyme activity, and Ca2+ shows the greatest effect, but Fe2+, Zn2+ and Cu2+ inhibit the enzyme activity.

Key words: lipase, enzyme properties, glutinous rice wine