Abstract:In the present article, two new indexes, common peak ratio and variant peak ratio, were applied and their values were calculated by means of sequential analysis, in which each Ilex Kudingcha sample′s IR fingerprint spectra were set up and the common peak ratio sequences were arranged in order of size in comparision with other samples. As a result, the method could be used to distinguish Ilex Kudingcha of different areas and classes. The duel-index sequential analysis enables us to distinct two or more herb’s IR fingerprints. It is a new method to analyze IR fingerprint spectra, and can used in line with the characteristics of traditional Chinese medicine.
庞涛涛,杜黎明* . 苦丁茶红外指纹图谱共有峰率和变异峰率双指标序列分析法[J]. 光谱学与光谱分析, 2007, 27(03): 486-489.
PANG Tao-tao,DU Li-ming*. Common and Variant Peak Ratios in IR Fingerprint of Ilex Kudingcha with Duel-Index Sequence Analysis . SPECTROSCOPY AND SPECTRAL ANALYSIS, 2007, 27(03): 486-489.
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