Different solvent extractions of Spora Lygodii were obtained using methanol, chloroform and petroleum ether as medium.Experiments were carried out on them by FT-IR spectra.

• 以甲醇、氯仿、石油醚为提取溶剂，提取中药材海金沙得到海金沙不同溶剂提取物，采用红外光谱(FT-IR)图谱鉴别法对提取物进行实验。