Citation: TIAN Chunjie, CHEN Mingxin, WANG Danqi, WANG Hongling, GUAN Jianhuan, ZHANG Mengting, SUN Guoxiang. Primary study on computer-aided qualitative and quantitative radial thin-layer chromatography methods for analysis of Yiqing tablets[J]. Chinese Journal of Chromatography, ;2019, 37(11): 1209-1214. doi: 10.3724/SP.J.1123.2019.04020 shu

Primary study on computer-aided qualitative and quantitative radial thin-layer chromatography methods for analysis of Yiqing tablets

School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China

Received Date: 11 April 2019

Fund Project: Shenyang Pharmaceutical University Undergraduate Innovation and Entrepreneurship Training Program (No. 201810163002).

Radial thin-layer chromatography (RTLC) is a form of chromatography in which the sample and developing agent/solvent are applied at the edge of a circle on the silica-layered TLC plate. The sample components are radially transported from the center of the circle toward the periphery by the solvent flow. RTLC is an efficient separation and semi-preparation method, with the advantages of fast separation, low diffusion, and absence of tailing at a certain distance. Although RTLC isolation has been well documented in the literature, there are only a few qualitative and quantitative reports on this technique. In this study, a self-programming module combined with image processing software was adopted for digital processing of RTLC images, and a digital atlas was created. Qualitative and quantitative verification of RTLC was then conducted. With the aid of computer technology, qualitative and quantitative methods of radially expanded TLC for Yiqing tablets were investigated. The results showed that the qualitative RTLC method has good reliability, but the quantitative RTLC method has inherent drawbacks, which may be associated with the experimental environment. We strongly believe that better separation and data acquisition equipment, as well as the combination of computer image processing and programming methods, will open up infinite possibilities of analysis/separation using RTLC-based techniques. We also believe that TLC will take a new step in the future with the assistance of computer technology.
- radial thin layer chromatography (RTLC),
- computer imaging,
- qualitative and quantitative methods,
- Yiqing tablets (YQTs)
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沈阳化工大学材料科学与工程学院沈阳 110142