Simultaneous Determination of Six Active Components in Danggui Kushen Pills via Quantitative Analysis of Multicomponents by Single Marker

Figure 5

HPLC chromatograms of mixed standard solution (a), test solution (b), and negative solution without Angelica sinensis-Sophora flavescens (c) at 320 nm (6: ferulic acid).

(a)

(b)

(c)