1. Department of Chemistry, Shaoguan College, Shaoguan 512005, China 2. Faculty of Chemistry and Light Engineering,Guangdong University of Technology,Guangzhou 510006, China
Abstract:In the present paper, the similar spectra of 18 samples, which include Astragalus, red-blue Astragalus and Codonopsis, were obtained in the range of 1 600~700 cm-1. The result showed that all kinds of herbs have their own characteristic similar spectra, and 18 samples can be identified according to the characteristic similar spectra. Furthermore, three correlation coefficients of 93 ganoderma samples were calculated which is in the range of 1 560~1 502, 1 460~1 421 and 1 319~1 260 cm-1 according to the information of similar spectrum of infrared spectrum of ganoderma. Without priori knowledge of the classification of these samples,the K-means cluster analysis can successfully divide them into four classes, i.e. Ganoderma lucidum and Ganoderma sinensis, Ganoderma atrum, Ganoderma aoshiba, Ganoderma multiplicatum. This result is consistent with the result of morphological classification.
Key words:Similar spectrum of infrared spectrum;Spectrum analysis;Identification of Chinese herbs;Cluster analysis
徐永群1,陈小康1*,陈 勇2,黄冬兰1,陈灶鑫2,卢文贯1 . 红外光谱相似谱及其在中药鉴别中的应用[J]. 光谱学与光谱分析, 2012, 32(08): 2131-2134.
XU Yong-qun1, CHEN Xiao-kang1*, CHEN Yong2, HUANG Dong-lan1, CHEN Zao-xin2, LU Wen-guan1 . Similar Spectrum of Infrared Spectrum and Its Application in Identification of Chinese Herbs. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2012, 32(08): 2131-2134.