Research Article

Discrimination of Salvia miltiorrhiza Bunge from Different Geographical Locations Employing High-Performance Liquid Chromatography, Near-Infrared Fingerprinting Combined with Chemometrics

Figure 7

(a) PCA score and (b) loading plots of S. miltiorrhiza. HA is Henan; AH is Anhui; SD is Shandong; SC is Sichuan.
(a)
(b)