超临界CO_2萃取当归油的工艺研究  

Study on Extracting Oil of Radix Angelica Sinensis with Supercritical CO_2

作　　者：聂诗明[1] 张桂芝[1] 张鹏涛[2] 

机构地区：[1]湖北中医学院,武汉430061 [2]湖北中医学院中药专业

出　　处：《中药材》2005年第3期226-227,共2页Journal of Chinese Medicinal Materials

基　　金：湖北省科技攻关计划(2001AA302B04)

摘　　要：目的:研究超临界CO_2 流体萃取当归油的生产工艺。方法:用正交试验等方法,研究药材粒度、萃取温度、萃取压力、萃取时间及解析分离条件对超临界CO_2流体萃取当归油的影响。结果:超临界CO_2流体萃取当归油的优选工艺为:药材粒度 40目,萃取温度 40℃、萃取压力 25Mpa、萃取时间 2h,CO2 流量 20L/h,分离釜Ⅰ压力 8Mpa,分离釜Ⅰ温度 50℃;分离釜Ⅱ压力 6Mpa,分离釜Ⅱ温度 50℃。结论:优选得到的工艺具有较高的提取率,该工艺合理、可行。Objective:To study the extraction of angelica oil by SFE CO 2(CO 2 Supercritical Fluid Extraction) Methods:Investigating the influence of the granule size of medical material,extraction temperature,extraction pressure,extraction time,releasing and separating condition on the extraction of angelica oil by the orthogonal design and other methods Results:The optimum extraction is as follows:the granule size of medical material,40 mu;extraction temperature,40℃;extraction pressure,25Mpa;extraction time,2 hours;flow of CO 2,20L/h;pressure of separation pot Ⅰ,8Mpa;temperature of separation pot Ⅰ,50℃;pressure of separation pot Ⅱ,6Mpa;temperature of separation pot Ⅱ,50℃ Conclusion:The optimum extraction has high extraction ratio of angelica oil The optimum extraction is reasonable and practicable

关 键 词：CO2 二氧化碳 萃取工艺 当归油 超临界萃取 当归 中药材 

分 类 号：R282.71[医药卫生—中药学] R284[医药卫生—中医学]