【摘要】 文章采用氯化胆碱类低共熔溶剂为提取介质，对五味子果实中的木脂素类化合物进行超声辅助提取。首先对9种氯化胆碱类低共熔溶剂(DESs)及4种物理辅助方法的提取效果进行了筛选，在此基础上采用单因素实验研究了含水量、料液比、提取时间、提取温度、超声功率对木脂素提取率的影响。超声波辅助氯化胆碱-乳酸(1∶1)低共熔溶剂提取木脂素的效果最好。最佳提取工艺是：料液比1∶10，含水量20%，超声时间40 min，超声温度50℃，超声功率600 W。此条件下，总木脂素得率为13.06 mg/g。超声波辅助氯化胆碱类低共熔溶剂提取具有得率高、安全环保等优点，该研究为提取五味子中木脂素类化合物提供了一种新技术。更多还原

【Abstract】 To investigate the optimum extraction process of lignans from Schisandra chinensis by ultrasonic-assisted method with deep eutectic solvents(DESs) as extractant.Firstly,the extraction effects of 9 kinds of choline chloride eutectic solvents and 4kinds of physical-assisted methods were screened.Then the effects of the DESs/water ratio,raw material/extractant ratio,ultrasound time(min),ultrasound temperature(℃),ultrasound power(W) on the extraction yield of lignans from Schisandra chinensis were investigated by single factor tests.The best DES is choline chloride-lactic acid(1:1) eutectic solvent with ultrasonic-assisted.The optimum extraction conditions were as follows:containing water 20%,raw material/extractant ratio 1:10,ultrasound time 40min,ultrasound temperature 50℃,ultrasound power 600 W.Under these condition,thetotal extraction yield was 13.06 mg/g.The ultrasonic-assisted extraction of choline chloride low eutectic solvent has the advantages of high yield,safety and environmental protection.This study provides a new technology for the extraction of lignans from Schisandra chinensis.更多还原