食品科学 ›› 2005, Vol. 26 ›› Issue (1): 131-133.

• 工艺技术 • 上一篇    下一篇

酶法从紫苏子油中制取α-亚麻酸工艺研究——脂肪酶水解工艺的探讨

 魏决, 罗雯, 陈玲   

  1. 成都大学生物工程系; 成都大学生物工程系
  • 出版日期:2005-01-15 发布日期:2011-09-19

Enzymatic Enrichment of -Lionlenic Acid from Perilla Oil—Studied on Enzyme Hydroxylation

 WEI  Jue, LUO  Wen, CHEN  Ling   

  1. Biological Engineering Department,Chengdu University
  • Online:2005-01-15 Published:2011-09-19

摘要: 紫苏子油中富含α-亚麻酸,α-亚麻酸具有重要的生理作用和药用价值,利用非特异性脂肪酶水解紫苏子油,结合尿素包络方法提取a-亚麻酸,避免了传统方法中由于酸、碱及温度而造成的α-亚麻酸的变性。实验针对紫苏子油最大的水解率,对酶催化水解反应中的pH值、时间、乳化剂用量、加酶量、油/水比等因素进行研究,得出温度40℃、pH为7、1/2的油/水、5%(油)的吐温-80、解脂假丝酵母脂肪酶的用量为2400U/g(油)、水解时间48h的最佳工艺条件,水解率可达到90.02%。为应用生物技术从紫苏子油中提取a-亚麻酸进行有意义的探讨。

关键词: 脂肪酶, 水解, 混合脂肪酸

Abstract: Because of rich α-linolenic acid in the Perilla oil having important physiologic effects and health values, the process that Perilla oil be hydrolyzed by enzyme and α-linolenic with concentrated Urea clathrate could avoid denaturizing α- linolenic acid by acid, alkali and temperature in traditional method. For the optimum hydrolysing rate, many tests of Perilla oil hydroxylation reaction were studied, such as pH, time, emulsifying agent, enzyme quantity and proportion of oil/water. The optimum production conditions were: temperature 40℃, pH7, oil/water 1/2, emulsifying agent 5%(oil), enzyme quantity 2400U/ g(oil) and hydrolysable rate 90.02%.

Key words: enzyme, hydrolyzation, mix-fatty acid