基于离子液体超声辅助提取菊花绿原酸的试验研究

Ultrasound Assisted Extraction of Chrysanthemum Chlorogenic Acid with Ionic Liquid

以离子液体水溶液为萃取溶剂,辅助超声提取菊花中的绿原酸。为优化离子液体辅助超声提取菊花绿原酸的工艺,与传统水浴法、单独超声波提取法进行了比较。在单因素试验的基础上,选择提取温度、提取时间、超声波功率、固液比进行4因素3水平的正交试验,提取菊花绿原酸。试验结果表明:菊花绿原酸的最佳提取条件为提取温度30℃,提取时间30 min,超声功率320 W,液固比30∶1(m L/g)。在此条件下绿原酸的提取率为2.92%。该方法稳定可靠,操作简单,可用于菊花中绿原酸的批量萃取,并为其他天然活性成分的工业化应用提供参考。

The ionic liquid aqueous solution was used as the extraction solvent, Chrysanthemum chlorogenic acid was extracted by ultrasound-assisted. In order to optimize the process of the ionic liquid assisted ultrasound extraction Chrysanthemum chlorogenic acid and this approach with traditional water bath, a separate ultrasonic extraction method to compare. The article in this paper on the basis of single factor test, select the extraction temperature, extraction time,ultrasonic power, solid-liquid ratio of the four factors and three levels of orthogonal experiment to extract daisy chlorogenic acid. The results showed that the chlorogenic acid daisy optimum extraction conditions for the extraction temperature of was 30 ℃, extraction time was 30 min, ultrasonic power was 320 W, the ratio of liquid to solid was 30 ∶1, in this condition chlorogenic acid extraction rate was 2.92%. Experiments show that the method is reliable, simple operation,and chlorogenic acid in chrysanthemum batch extraction can be used to provide a reference, and for other industrial application of natural active ingredients.