1当归中阿魏酸提取工艺优化研究目 录摘要 ……………………………… ………………………………………………Ⅰ -Ⅱ 1 前言.............................................................................................................................12 材料与仪器.................................................................................................................32.1 仪器..........................................................................................................................32.2 试剂与材料..............................................................................................................32.3 预处理......................................................................................................................43 实验方法和结果.........................................................................................................43.1 溶液制备..................................................................................................................43.2 阿魏酸的含量测定..................................................................................................43.3 方法学考察..............................................................................................................53.4 正交实验设计..........................................................................................................74. 结果与分析................................................................................................................84.1 单因素考察..............................................................................................................84.2 正交实验结果与分析............................................................................................114.3 最佳提取工艺及其验证........................................................................................125 讨论和结论...............................................................................................................13参考...
