Infrared spectrum can be used for quality control of traditional Chinese medicine production

The complex composition of traditional Chinese medicine is hard to explain, and has always been a major obstacle to the internationalization of Chinese medicine. Professor Sun Suqin of the Department of Chemistry of Tsinghua University and her group of infrared spectroscopy used infrared spectroscopy in the research process of traditional Chinese medicine analysis for more than ten years. In particular, it created a pattern recognition technique suitable for such a complex mixture of traditional Chinese medicines, making use of infrared fingerprints to detect traditional Chinese medicines. Quality, as easily as a market scale, a "scale" knows the pros and cons, providing an innovative idea for total quality control of Chinese medicine.

The reporter learned that in the research process of traditional Chinese medicine analysis, through the innovative technology of Sun Suqin's research group, it is possible to use a flexible and flexible sampling technology to enable infrared spectroscopy to be performed in a variety of different forms easily, quickly and without damage. Testing, low testing cost, and almost no pollution to the environment; secondly, infrared spectroscopy plays an important role in qualitative analysis of the overall composition, quantitative analysis of specific components, and rapid analysis of a large number of samples.

Over the years, Sun Suqin's research group has used infrared spectroscopy in the analysis of Chinese herbal medicines, Chinese herbal medicines, and proprietary Chinese medicines, covering many aspects of the production process and quality control of Chinese medicines, including authenticity identification of traditional Chinese medicines, identification of cultivation methods, identification of origins, and Chinese herbal medicines The mechanism of concocting, process monitoring and identification of different methods of processed products, as well as the qualitative and quantitative analysis of the composition of traditional Chinese medicine extracts, tinctures, formulation granules and injections, and product quality control, has accumulated tens of thousands of Chinese medicine "infrared fingerprints "Map" has made a useful exploration of traditional Chinese medicine research and product quality control.

The research has received a number of grants from the State Administration of Traditional Chinese Medicine's major scientific and technological project “Study on the rapid detection system of Chinese herbal medicines spectrometry” and has published more than 200 related research papers. It published the “Two-Dimensional Correlation Infrared Spectroscopy Appraisal Atlas of Traditional Chinese Medicine”. 》, "Infrared spectroscopy analysis and identification of Chinese medicine", English version of "infrared spectroscopy of complex mixtures: applications in the analysis of food and traditional Chinese medicine" three monographs, applied for three national invention patents. Its technology has been applied in some Chinese medicine companies.

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