水蒸气蒸馏提取米槁精油的工艺研究  

Study on the Extraction Conditions of Cinnamomum migao H.W.Li Essential Oil by Steam Distillation

作　　者：武孔云[1] 李灿[1] 梁云霞[1] 钟云梅[1] 张娜[2] 

机构地区：[1]贵阳学院生物控制与资源利用贵州省高校特色重点实验室,贵州贵阳550005 [2]贵阳中医学院,贵州贵阳550002

出　　处：《中国野生植物资源》2014年第4期17-18,27,共3页Chinese Wild Plant Resources

基　　金：贵阳学院高级人才项目(201301451042);贵州省普通高校创新人才团队建设项目(黔教合人才团队字[2012]05号)

摘　　要：目的:通过本研究,搞清楚米槁精油的水蒸气蒸馏的提取条件,用以避免提取不完全,造成资源浪费。方法:通过单因素实验,考查提取过程中的浸泡时间、蒸馏时间、加水量、粉粹度对米槁精油提取的影响,确定最佳参数。用最佳参数进行验证实验。结果:优选出的最佳参数为:粉碎度60/1,料液比为1∶12,浸泡1.0 h,提取7.0 h。结论:用最佳参数进行验证实验,平均提取率为6.09%,能重现实验结果,说明所优选的参数可用。Objective：To find out the extraction conditions of Cinnamomum migao H.W.Li essential oil by steam distillation in this study,so as to avoid the waste of resources due to the incomplete extraction.Methods：The single-factor experiments were performed to investigate the effects on the extraction rate of migao essential oil of the soaking time,distillation time,water addition,and the extent of pulverizing,and to make sure the optimal parameters.And the results of them can be verified by the other experiment performed under the condition of the optimum parameters.Results：The optimized parameters were particle size diameter of 60 /1,solid-liquid ratio of 1：12,soaking time of 1.0 h and distillation time of 6.0 h.The average extraction rate of migao essential oil is 6.09% in the verifying experiment.Conclusion：The results can be reappeared,so the selected parameters can be used.

关 键 词：米槁 挥发油 水蒸气蒸馏 

分 类 号：S567[农业科学—中草药栽培]