Extract the expressed oil from the Siberian cockluebur fruit by the Soxhlet extractio and abstract the fatty acid methylester compounds.

• 采用索氏提取法从苍耳子中提取脂肪油并分离得到脂肪酸甲酯混合物,考察各种因素对索式提取法提取脂肪油收率的影响。