563702.fig.005a
(a)
563702.fig.005b
(b)
563702.fig.005c
(c)
563702.fig.005d
(d)
Figure 5: Chromatogram and column symbol of online screening HPLC profile of S. baicalensis extracts. Upper profile: UV signal at 275 nm, lower profile: ABTS reduction signal at 734 nm, (a) 100% water, (b) 100% EtOH, (c) 60% EtOH, and (d) negative and positive average peak area.