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。

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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。

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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。

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