[Dual-index sequence analytical method for IR fingerprint spectra of the chloroform extract of Radix Glycyrrhizae].
OBJECTIVE
To investigate a new method for the analysis of IR fingerprint spectra of Radix Glycyrrhizae.


METHODS
Two indexes, common peak ratio and variation peak ratio, are used to compare the IR spectra of various Radix Glycyrrhizae samples, and the values are calculated by means of sequent analysis.


CONCLUSIONS
The dual-index sequence method provides a good approach to discriminate Radix Glycyrrhizae samples of different species and geographical origins.
Zou
Hua-Bin
HB
School of Chemistry and Chemical Engineering of Shandong University(east campus), Jinan 250100, China. huabinzou@hotmail.com
Yuan
Jiu-Rong
JR
Du
Ai-Qin
AQ
Sn
Lin-Lin
LL
D002681:China; D004365:Drugs, Chinese Herbal / Q000032:analysis* / Q000302:isolation & purification; D017753:Ecosystem; D006035:Glycyrrhiza / Q000737:chemistry* / Q000145:classification; D010946:Plants, Medicinal / Q000737:chemistry*; D011786:Quality Control; D017550:Spectroscopy, Fourier Transform Infrared / Q000379:methods*
D004365:Drugs, Chinese Herbal