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彝药大红袍、鸡根红外光谱的快速、无损分析
引用本文:杨群,王怡林,姚杰,余惠祥.彝药大红袍、鸡根红外光谱的快速、无损分析[J].光谱学与光谱分析,2006,26(12):2219-2221.
作者姓名:杨群  王怡林  姚杰  余惠祥
作者单位:1. 楚雄师范学院物理与电子科学系,云南 楚雄 675000
2. 南京师范大学分析测试中心,江苏 南京 210097
3. 云南省彝药研究所,云南 楚雄 675000
基金项目:楚雄州科技计划资助项目
摘    要:采用傅里叶变换衰减反射红外光谱法(ATR-FTIR)对2种彝药药材进行了快速无损的红外光谱测定。鸡根的主要特征峰是1 726,1 641 cm-1(宽峰), 1505 cm-1(小峰),1 379 cm-1附近为四指小峰,1 244 cm-1(小尖峰),在920~1 200 cm-1有1个阶梯峰C(最强峰);大红袍的特征峰是1 605 cm-1(次强, 单峰), 1 512 cm-1(小峰),1 438 cm-1(小尖峰),1 044 cm-1(最强,单峰)。实验发现2类块根类药材光谱有一共同点,即由C—O—C振动在1 034 cm-1处产生的吸收峰最强,说明彝药块根的红外吸收光谱图主要由碳水化合物木质素、纤维等吸收峰组成。

关 键 词:ATR-FTIR  大红袍  鸡根  指纹特征谱  
文章编号:1000-0593(2006)12-2219-03
收稿时间:2005-09-28
修稿时间:2005-11-28

A Rapid and Nondestructive Study of Yi Herbs Dahongpao and Jigen with Fourier Transform Infrared Spectroscopy
YANG Qun,WANG Yi-lin,YAO Jie,YU Hui-xiang.A Rapid and Nondestructive Study of Yi Herbs Dahongpao and Jigen with Fourier Transform Infrared Spectroscopy[J].Spectroscopy and Spectral Analysis,2006,26(12):2219-2221.
Authors:YANG Qun  WANG Yi-lin  YAO Jie  YU Hui-xiang
Institution:1. Department of Physics and Electronic Science, Chuxiong Normal University, Chuxiong 675000, China2. Analyses and Testing Center, Nanjing Normal University, Nanjing 210097, China3. The Institute of Yi Medicine, Province of Yunnan, Chuxiong 675000, China
Abstract:Two Yi herbs were studied by ATR Fourier transform infrared spectroscopy in the present paper. The main characteristic peaks of Jigen are: 1 726 and 1 641 cm(-1) (broad peak), 1 505 cm(-1) (small peak), four finger small peaks near 1 379 cm(-1) 1 244 cm(-1) (small sharp peak), 1 512 cm(-1) (small peak), 1 438 cm(-1) (small sharp peak), and 1 044 cm(-1) (strong, single peak). The results show that Jigen and Dahongpao have different characteristic infrared spectra. FTIR has proved to be a rapid, simple and nondestructive method to discriminate Yi herbs. Besides, test indicates that the two Yi herbs have a characteristic in common: absorbance at 1 034 cm-' is the strongest, which is attributed to stretching of C-O--C, indicating that the spectra of the Yi herbs root is mainly composed of the adsorption of carbohydrates, lignin, cellulose etc.
Keywords:ATR-FTIR  Dahongpao  Jigen  Infrared finger spectra
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