Research Article

Multicomponent Analysis of Liuwei Dihuang Pills by a Single Marker Quantification Method and Chemometric Discrimination of Fingerprints

Figure 2

HPLC chromatograms of mixed standards (a) and Liuwei Dihuang pills sample (b). Note. (1) Gallic acid. (2) 5-hydroxymethylfurfural. (3) Morroniside. (4) Sweroside. (5) Loganin. (6) Paeoniflorin. (7) Cornuside. (8) Paeonol.
(a)
(b)