Research Article

Species Classification and Quality Assessment of Cangzhu (Atractylodis Rhizoma) by High-Performance Liquid Chromatography and Chemometric Methods

Figure 3

(a) Score plots from PCA; (b) loading plots from PCA, in which each variable represents the retention time (min) in chromatographic profiles.
497532.fig.003a
(a)
497532.fig.003b
(b)