The Fingerprint Features ofDiferent Cultivars ofDendrobium nobile Lind1.from Guizhou provinces were studied by Fourier Transform Infrared Spectroscopy(FT—IR).There were some different infrared spectrmn features for four cultivars of Dendrobium nobile.There were obvious flexible vibration peaks in(1054±2) cm-1、(1156±1 ) cm-1、(1244±1) cm-1 and(1737±2) cm-1 for diferent cultivars of Dendrobium nobile.There were obvious flexible vibration peaks in 1330 cm-1 and 1596 cm-1 for Yudulan.There were obvious flexible ...