香椿嫩枝叶总黄酮最佳提取工艺的研究

An Study of the Optimum Technology Condition of Extracting Flavonoid From Toona Sinensis Leaves

用不同体积分数乙醇提取香椿嫩枝叶黄酮 ,结果显示乙醇不同体积分数对黄酮的得率有显著影响。通过正交实验 ,在不同乙醇体积分数 (6 0 %、70 %、80 % )、不同料液比 (1∶ 8、1∶ 10、1∶ 12 )、不同温度 (5 0、70、90℃ )和不同提取时间 (1、2、3h)条件下 ,得出香椿嫩枝叶黄酮提取最佳条件为 :在 5 0℃条件下乙醇体积分数 70 % ,料液比 1∶ 12 ,热提

Optimum technology of extracting Toona Sinensis leaves by means of nomal experiment at four levels alcohol concentration (60%、70%、80%), solid-liquid ratio( 1∶8 、1∶10、1∶12), extracting temperature(50、70、90℃)and extracting time (1、2、3h). showed that the optimum extracting condition of Toona simensis soft leaves was alcohol concentration 70%,temperature 50℃,solid-lipuid ratio 1∶10.