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

Table 3

Diagnostics of the PCA model for different species of Zedoray Rhizome samples.

Number of PCs	Eigenvalue	(%)
1	7.55	50.3
2	3.89	76.2
3	1.84	88.5