本文已被：浏览 1208次 下载 0次
投稿时间：2018-10-15
投稿时间：2018-10-15
中文摘要: 以金线草为原料，采用乙醇回流法提取金线草中的黄酮类化合物，在单因素试验中，逐一考察乙醇浓度、提取温度、提取时间、料液比4 个因素对金线草黄酮提取率的影响，并通过响应面分析法对提取工艺进行优化，得到金线草黄酮类化合物最佳提取工艺条件：乙醇浓度75%、提取温度40 ℃、提取时间40 min、料液比1 ∶25（g/mL），在此条件下，金线草黄酮类化合物提取率达到2.34%。
Abstract:With Rubia membranacea as the main material，flavonoids was extracted by ethanol reflux extraction method.On the basis of single factor experiment，the factors of ethanol concentration，extraction temperature，extraction time and ratio of solid to liquid were compared in extraction rate of the flavonoids.The optimum conditions for the extraction of flavonoids from Rubia membranacea were obtained through Box-Benhnken experiment design.The results showed that the optimum conditions were ethanol concentration of 75 %，extraction temperature of 40 ℃，extracting time of 40 min and the ratio of solid to liquid of 1 ∶25（g/mL）.Under these conditions，the extraction rate of flavonoids was 2.34%.
keywords: Rubia membranacea flavonoid ethanol reflux extraction single factor experiments Box-Benhnken experiment design
文章编号：201919019 中图分类号： 文献标志码：
基金项目:国家自然科学基金青年科学基金项目（31601481）；聊城大学科研基金项目（318011501）；聊城大学实验技术研究项目（263222017109）
| Author Name | Affiliation |
| LI Yan，GUO Xing-feng*，ZHANG Hua，WANG Yue-ke，LIU Jia-kang | College of Agriculture，Liaocheng University，Liaocheng 252059，Shandong，China |
引用文本：
津ICP备20000603号-1