| 光谱学与光谱分析 |
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| Direct Identification of Ophiogon Japonicus (Thunb.)Ker-Gawl. from Its Confusable Varieties by Second Derivative FTIR Spectroscopy Combined with Statistics |
| CHENG Cun-gui1，2，SUN Cui-rong2, PAN Yuan-jiang2* |
1. College of Chemistry and Life Sciences，Zhejiang Normal University，Jinhua 321004，China
2. Department of Chemistry，Zhejiang University, Hangzhou 310027，China |
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Abstract In order to establish the theory and method for the identification of Ophiogon japonicus (Thunb.)Ker-Gawl. of traditional Chinese herbal medicines and its confusable varieties, second derivative FTIR spectroscopy was used combined with statistics. Samples were collected directly by Fourier Transform Infrared (FTIR) spectra with OMNI-Sampler. Then through converting FTIR spectra of the samples into second derivative spectra by derivative spectra software, Ophiogon japonicus (Thunb.)Ker-Gawl. could be identified from the confusable varieties with statistics. The result shows that the second derivative FTIR of Ophiogon japonicus (Thunb.)Ker-Gawl. and its confusable varieties are different, which differ greatly in 2 000-650 cm-1 range in second derivative FTIR spectroscopy. The Ophiogon japonicus (Thunb.)Ker-Gawl. and its confusable varieties can be identified by identifying the inner layer parts of the cuticles of samples by second derivative FTIR spectroscopy with statistics directly, rapidly and accurately.
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Received: 2003-06-26
Accepted: 2003-11-28
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Corresponding Authors:
PAN Yuan-jiang
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| Cite this article: |
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CHENG Cun-gui,SUN Cui-rong,PAN Yuan-jiang. Direct Identification of Ophiogon Japonicus (Thunb.)Ker-Gawl. from Its Confusable Varieties by Second Derivative FTIR Spectroscopy Combined with Statistics [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2004, 24(09): 1055-1059.
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| URL: |
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http://www.gpxygpfx.com/EN/Y2004/V24/I09/1055 |
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