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ObjectiveTo investigate and compare the best extraction method by petroleum ether from Curcuma wenyujin Y . H.

目的探讨并比较石油醚回流提取温莪术粗粉和微纳米粉体挥发油的最佳工艺.

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Portions of petroleum ether, n - butanol and water extracted from LEEs was much weaker on anticoagulant activity.

石油醚部位 、 正丁醇部位、水部位也有较弱抗凝活性.

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Compared the spectrogram , that the petroleum ether used as solvent is better than anther.

通过气相色谱分析的谱图比较, 发现石油醚的提取效果较好.

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