Exploring Potential Chemical Transformation by Chemical Profiling Approach for Rapidly Evaluating Chemical Consistency between Sun-Dried and Sulfur-Fumigated Radix Paeoniae Alba Using Ultraperformance Liquid Chromatography Coupled with Time-of-Flight Mass Spectrometry
Figure 3
OPLS-DA/S-plot of sun-dried and sulfur-fumigated Radix Paeoniae Alba samples obtained using Pareto scaling with mean centering. A: sun-dried Radix Paeoniae Alba samples; B: sulfur-fumigated Radix Paeoniae Alba samples.