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An UPLC–Q-TOF-MS/MS based chemical profiling method was developed to evaluate decocting-induced chemical transformations in Du–Shen–Tang, the decoction of the root of Panax ginseng. Under the optimized UPLC and Q-TOF-MS/MS conditions, over 50 peaks were separated and detected in Du–Shen–Tang within 18min. The components were identified by comparing the mass spectra and retention time with that of...
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