Study on the Identification of Dangguitou and Dangguiwei by Two-dimensional Infrared Correlation Spectroscopy
Lü Guang-hua1，SUN Su-qin2, LEUNG Hi-wun1, CHAN Kelvin K C1
1. Research and Development Division, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China 2. Department of Chemistry, Tsinghua University, Beijing 100084, China
Abstract：Fourier transform infrared spectroscopy (FTIR) combined with two-dimensional correlation spectroscopy was used to identify the different parts of Danggui in this paper. Guitou and Guiwei are two parts of the same officinal plant, and similar to each other in normal. FTIR spectra revealed the comparabilities of these two parts in herbal characters, organizing structure and alkaloid components. However, variance in amino acids and naphtha contents, which is aroused by the different parts of the angelica, could be identified easily and clearly in 2D FTIR spectra. Thus the fast and accurate property of 2D FTIR spectroscopy makes it a powerful and new approach to evaluating the medicinal herbs impersonally.
吕光华1，孙素琴2*，梁曦云1，陈金泉1* . 归头和归尾二维相关红外光谱法的鉴别研究 [J]. 光谱学与光谱分析, 2004, 24(03): 311-314.
Lü Guang-hua1，SUN Su-qin2, LEUNG Hi-wun1, CHAN Kelvin K C1 . Study on the Identification of Dangguitou and Dangguiwei by Two-dimensional Infrared Correlation Spectroscopy . SPECTROSCOPY AND SPECTRAL ANALYSIS, 2004, 24(03): 311-314.
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