Research Article

Quality Assessment of Different Species and Differently Prepared Slices of Zedoray Rhizome by High-Performance Liquid Chromatography and Colorimeter with the Aid of Chemometrics

Figure 6

PCA model constructed on the data that combined the chemical ingredients and colours for differently prepared slices of Zedoray Rhizome samples. (a) Score plot. (b) Loading plot.
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(b)