水蒸气蒸馏法提取山苍子精油的工艺研究  

Research on Extracting Litsea cubeba Essential Oils by Steam Distillation

作　　者：严汉彬[1] 韩珍 徐艳[1] 温德京 张舒橙 YAN Han-bin;HAN Zhen;XU Yan(Heyuan Polytechnic,Heyuan,Guangdong 517000)

机构地区：[1]河源职业技术学院,广东河源517000

出　　处：《安徽农业科学》2021年第21期200-201,222,共3页Journal of Anhui Agricultural Sciences

基　　金：广东省科技计划项目(2017A010105001);广东省科技计划项目(2017A020224005)。

摘　　要：[目的]优化水蒸气蒸馏法提取山苍子精油的最佳工艺。[方法]以粤北山区山苍子枝叶为原料,采用水蒸气蒸馏法提取山苍子精油,研究料液比、NaCl浓度及蒸馏时间对山苍子精油提取率的影响。[结果]确定了最佳的工艺条件:料液比1∶10(g∶mL),NaCl浓度2%,蒸馏时间2 h。在该工艺条件下,山苍子枝叶中精油的提取率为2.366%。[结论]该研究可为山苍子枝叶的综合利用提供科学依据。[Objective]To optimize the extraction process of Litsea cubeba essential oil by steam distillation.[Method]The essential oil of Litsea cubeba was extracted from the branches and leaves of Litsea cubeba picked in mountainous area of northern Guangdong Province by steam distillation.The effects of solid-liquid ratio,NaCl concentration and distillation time on the extraction rate of Litsea cubeba essential oil were studied.[Result]The optimum technological conditions were determined as follows:the ratio of material to liquid was 1∶10(g∶mL),the mass fraction of NaCl was 2%,and the distillation time was 2 h.Under these conditions,the extraction rate of essential oil from Litsea cubeba branches and leaves was 2.366%.[Conclusion]This study can provide scientific basis for the comprehensive utilization of Litsea cubeba branches and leaves.

关 键 词：水蒸气蒸馏 提取 山苍子 枝叶 精油 

分 类 号：R284.2[医药卫生—中药学]