高含量EPA/DHA甘油三酯的制备工艺  

Preparation of high concentration EPA/DHA triglyceride catalyzed by sodium methoxide

作　　者：李江[1] 沈俊平 王树春[1] 赵传景 单幸福 

机构地区：[1]国家海洋局第一海洋研究所海洋生物活性物质重点实验室,青岛266061 [2]青岛澳海生物有限公司,青岛266000

出　　处：《食品科技》2016年第8期75-78,共4页Food Science and Technology

基　　金：中央级公益性科研院所基本科研业务费专项资金项目(GY0214T09)

摘　　要：以EPA/DHA乙酯和甘油为原料,甲醇钠作为催化剂制备高含量EPA/DHA甘油酯。通过对反应温度、反应时间、甘油用量和催化剂用量的优化,得到制备EPA/DHA甘油三酯的最佳反应条件:温度为120℃,甲醇钠添加量为原料油的0.4%,甘油为原料油的7.0%,反应时间5 h。反应终止后产物中EPA/DHA甘油三酯含量可达47.0%以上,进一步经分子蒸馏精制后,终产物中EPA/DHA甘油三酯的含量高达75.0%以上。The high concentration of EPA/DHA triglyceride was prepared from EPA/DHA ethyl ester and glycerol catalyzed by sodium methoxide. To study the optimal reaction conditions for preparation EPA/DHA triglyceride, reaction temperature, reaction time, concentration of glycerol and the concentration of sodium methoxide was optimized systematically. The results give the optimal reaction conditions for preparation EPA/DHA triglyceride, which can be listed as follow： temperature was 120 ℃, sodium methoxide was 0.4%, glycerol was 7.0%, reaction time was 5 h. The maximum concentration of EPA/DHA triglyceride was higher than 47% before the reaction termination, and the final concentration of EPA/DHA triglyceride was higher than 75% after refinement by molecular distillation.

关 键 词：二十碳五烯酸 二十二碳六烯酸 甘油三酯 甲醇钠 

分 类 号：TS201.4[轻工技术与工程—食品科学]