| 光谱学与光谱分析 |
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| Identification of Gastrodia Elata Blume by Fourier Transform Infrared Spectroscopy |
| LIU Gang1, DONG Qin2, YU Fan2, LIU Jian-hong3, SUN Shi-zhong3 |
1. Department of Physics, Yunnan Normal University, Kunming 650092，China
2. Center of Experiment, Yunnan University, Kunming 650091, China
3. Center of Analysis and Testing, Yunnan Normal University, Kunming 650092, China |
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Abstract In this paper, a method of rapid and undamaged identification of wild and cultivated Gastrodia elata Blume, and one of its fakes by Fourier transform infrared spectroscopy (FTIR) is reported. 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. Wild winter, wild spring, and cultivated Gastrodia elata Blume can be discriminated by FTIR, according to the differences of their spectral peaks and absorbance ratios. By the differences of absorbance ratios of several peaks, different grade of Gastrodia elata Blume may be classified. FTIR has proved to be a rapid, simple and nondestructive method for the identification of Gastrodia elata Blume.
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Received: 2002-05-21
Accepted: 2002-10-18
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Corresponding Authors:
LIU Gang
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| Cite this article: |
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LIU Gang,DONG Qin,YU Fan, et al. Identification of Gastrodia Elata Blume by Fourier Transform Infrared Spectroscopy [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2004, 24(03): 308-310.
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| URL: |
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http://www.gpxygpfx.com/EN/Y2004/V24/I03/308 |
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