The results show that Gastrodia elata Blume and its fake have different characteristic infrared spectra, by which Gastrodia elata Blume can be identified from its fake.

• 结果表明，野生天麻、家种天麻及天麻伪品均有自己的特徵红外光谱。根据红外光谱谱峰形状和位置可以容易地鉴别天麻及天麻伪品；