2009•Chinese Journal of Spectroscopy LaboratoryRequires access

Analysis on Two-Dimensional Infrared Correlation Spectroscopy of Several Kinds of Plantain

Chuan Wang

Abstract

Several different areas of plantain were analyzed by Fourier transform infrared spectroscopy(FT-IR) combined with two-dimensional infrared correlation spectroscopy (2D-IR).Comparing the absorption peaks,absorption figures and absorption intensity of different areas of plantain,we found that they were similar to each other in one-dimensional IR spectra,however,the difference among areas of plantain was evident in the map of synchronous and asynchronous two-dimensional infrared correlation spectroscopy after transforming into 2D infrared correlation spectroscopy.Thus different areas of plantain distinguished directly by autopeaks map of synchronous and crosspeaks map of asynchronous in 2D FTIR spectral.Moreover,the change of corresponding functional groups could be revealed.The fast and accurate properties make 2D IR spectroscopy a powerful method for testing medicinal herbs.

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Key concepts: Infrared spectroscopy, Fourier transform infrared spectroscopy, Spectroscopy, Infrared, Infrared spectroscopy correlation table, Two-dimensional nuclear magnetic resonance spectroscopy, Absorption (acoustics), Analytical Chemistry (journal)