Compared with traditional solvent extraction, the method of supercritical CO2 extraction has the advantages of short extraction time, high extraction efficiency and no poisonous waste etc.
与传统的有机溶剂萃取法相比超临界CO2萃取法具有省时、萃取效率高且无有毒废弃物等优点。
Furthermore, we found the best HPLC spectrum of Fritillaria Jilin was soxhlet method with the solvent of chloroform and methanol (4:1), the others were no better than it.
经氯仿：甲醇(4：1)混合溶剂索式提取的贝母药材HPLC图谱效果最好，其它次之。
Compared with the method of single-eluting solvent, this method increased the selectivity of fixed phase to phospholipid, moreover there are no toxic residue in the final products.
该方法与单一溶剂洗脱相比，增加了固定相对磷脂的选择性，而且在终产物中无毒性物质残留。
The preparation method provided by the invention has simple operation, no need of heating or organic solvent, high production efficiency, thereby being easy for industrialization production.
本发明提供的制备方法操作简单，无需加热、无需使用的有机溶剂、生产效率高，易于工业化生产。
The preparation method provided by the invention has simple operation, no need of heating or organic solvent, high production efficiency, thereby being easy for industrialization production.
本发明提供的制备方法操作简单，无需加热、无需使用的有机溶剂、生产效率高，易于工业化生产。
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