超声波辅助法提取甘草总黄酮工艺的研究  

Study on Extraction of Total Flavonoids from RADIX LIQUIRITIAE with Ultrasonic Assistance Method

作　　者：邹玉红[1] 寇小燕[1] 韩秋霞[1] 

机构地区：[1]山东科技大学,山东青岛266510

出　　处：《安徽农业科学》2011年第14期8345-8347,共3页Journal of Anhui Agricultural Sciences

摘　　要：[目的]优化甘草中总黄酮的提取工艺。[方法]以乙醇为提取剂,采用超声波法辅助提取甘草中的总黄酮,并采用正交设计试验优化甘草总黄酮的提取工艺。[结果]在提取液乙醇浓度75%、料液比1∶25、超声功率350 W,超声时间25 m in的条件下,甘草总黄酮提取得率最高达1.943%,各因素影响顺序为乙醇浓度>料液比>超声功率>超声时间。[结论]该试验为甘草的进一步开发利用提供了科学依据。[Objective] To optimize the extraction process of total flavonoids from RADIX LIQUIRITIAE.[Method] Total flavonoids from RADIX LIQUIRITIAE were extracted with alcohol by ultrasonic assistance method,and the extraction process was optimized by orthogonal design.[Result] The optimum extraction process was as follows： alcohol concentration of 75%,solid-liquid ratio of 1∶25,ultrasonic power of 350 W,ultrasonic duration of 25 min,under the above conditions,the yield rate of total flavonoids reached as high as 1.943%,and the influence factors in order were alcohol concentration〉solid-liquid ratio〉ultrasonic power〉ultrasonic duration.[Conclusion] The study provides scientific basis for the further research of RADIX LIQUIRITIAE.

关 键 词：甘草 黄酮 超声波 优化 

分 类 号：TS252.54[轻工技术与工程—农产品加工及贮藏工程]