Application of two-dimensional near-infrared correlation spectroscopy to the discrimination of Chinese herbal medicine of different geographic regions

被引：36
|
作者：
Lu, Jun [1 ]
Xiang, Bingren [1 ]
Liu, Hao [1 ]
Xiang, Suyun [1 ]
Xie, Shaofei [1 ]
Deng, Haishan [1 ]
机构：
[1] China Pharmaceut Univ, Minist Educ, Ctr Instrumental Anal, Key Lab Drug Qual Control & Pharmacovigilanc, Nanjing 210009, Peoples R China
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2008年 / 69卷 / 02期
关键词：
traditional Chinese herbal medicine; near-infrared spectroscopy; generalized two-dimensional correlation spectroscopy; geographic region; discrimination; IR SPECTROSCOPY; TRANSFORM;
D O I：
10.1016/j.saa.2007.05.006
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
Fructus Lycii is a traditional Chinese medicinal herb. The objective of this paper was to apply two-dimensional (2D) near-infrared (NIR) correlation spectroscopy to the discrimination of Fructus Lycii of four different geographic regions. Generalized 2D-NIR correlation spectroscopy was able to enhance spectral resolution, simplify the spectrum with overlapped bands, and provide information about temperature-induced spectral intensity variations that was hard to obtain from one-dimensional NIR spectroscopy. The 2D synchronous and asynchronous spectra showed remarkable differences within the range of 4950-5700 cm(-1) between samples of different geographic regions. Using NIR instead of IR made the 2D approach more convenient and fast, and it can be applied to more area like process control. This approach can also be applied analogously to the discrimination of other Chinese herbal medicine of different geographic regions. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：580 / 586
页数：7
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