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Position: Home > Articles > Process Optimization of Microwave Extraction of Lycorine from Lycoris herb Chinese Agricultural Science Bulletin 2015,31 (24) 247-251

微波法提取石蒜中石蒜碱的工艺优化

作  者：
文卓琼;蒋利华;熊海蓉;熊远福;胡红远;刘祺文
单  位：
长沙环境保护职业技术学院;湖南农业大学分析测试中心;湖南农业大学理学院
关键词：
石蒜;石蒜碱;提取工艺;微波法;常规溶剂法
摘  要：
为了优化微波法提取石蒜中石蒜碱的工艺条件,用野生石蒜作原料,以乙醇为提取剂,探索了料液比、微波功率、提取温度、提取时间、提取次数等单因素对微波法提取石蒜碱的影响,用正交试验L9(34)获得了最佳提取工艺条件,并与常规溶剂法进行了比较。结果表明:微波法提取石蒜中石蒜碱的最佳工艺条件为:料液比1:6,微波功率320 W,提取温度60℃,提取时间6 min,提取2次;石蒜碱的提取率为95.5%,产率为0.0391%;提取物中石蒜碱含量为12.35%。与常规溶剂法相比,微波法具备提取时间短、提取率高、提取次数少等优点,总体效果优于常规溶剂法。
译  名：
Process Optimization of Microwave Extraction of Lycorine from Lycoris herb
作  者：
Wen Zhuoqiong;Jiang Lihua;Xiong Hairong;Xiong Yuanfu;Hu Hongyuan;Liu Qiwen;Center of Analysis and Testing, Hunan Agricultural University;Wuchang Institute of Technology;Changsha Environmental Protection College;College of Science, Hunan Agricultural University;
关键词：
Lycoris herb;;lycorine;;extraction process;;microwave method;;conventional solvent method
摘  要：
To optimize the process conditions of microwave extraction of lycorine from wild Lycoris herb, thesingle factor experiments of the solid-liquid ratio, microwave watt, extraction temperature, extraction time andextraction times were made by means of using wild Lycoris herb as raw material and ethanol as extractant, andthe optimal technics conditions of the extraction were obtained by orthogonal experiment L9(34). Effects of themicrowave extraction were compared with those of conventional solvent extraction. Results showed that theoptimal conditions of microwave extraction were as follows: the ratio of sample to solvent was 1:6(g:m L),microwave watt 320 W, extraction temperature 60℃, extraction time 6 min, and extraction 2 times. Theextraction ratio and yield of lycorine were 95.5% and 0.0391%, respectively. The concentration of lycorine inthe extract was 12.35%. Compared with the conventional solvent method, the microwave method hadadvantages of less extraction time, higher extraction ratio and less extraction times. The general effect ofmicrowave method was better than that of conventional solvent method.

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