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Abstract
Infrared spectroscopy has become (arguably) the most sophisticated analytical tool in the spectrum analysis and has become indispensable and definitive for many analyses. This article reviews some advances in transmission and reflectance spectroscopy as it pertains to the application in Chinese herbal and animal medicine identification. The main focus is in using solvent extraction and direct powder compression. This includes transmission spectroscopy via direct analysis, secondary derivative spectra, two-dimensional infrared spectroscopy, and reflectance spectroscopy via diffuse reflectance spectroscopy, horizontal attenuated total reflectance–Fourier transform infrared spectroscopy. It also involves the application of Fourier self-deconvolution infrared spectroscopy and discrete wavelet transform for Chinese medicine identification. This article provides detail for researchers aiming to make Chinese medicine identification by FTIR spectroscopy.
ACKNOWLEDGMENT
This research was supported by Zhejiang Provincial National Science Foundation of China under project number 301468. The authors would like to thank Professor Joseph Sneddon for his polishing of our manuscript.
