3小结
根据正交试验结果,结合节约能源等综合考虑,确定常温超高压提取川芎阿魏酸的最优工艺为提取溶剂体积分数70%乙醇溶液、提取压力300MPa、固液比1∶50、提取时间3.0min。在最优工艺下,通过测定阿魏酸提取率为0.523mg/g。与回流提取方法相比较,超高压提取技术具有常温不加热、提取时间短、杂质少、稳定性高、节约能源等优点,作为一种新型的提取工艺,其应用前景广阔。
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