Fig. 3
From: Influence of harvest stage on the pharmacological effect of Angelica dahurica
HPLC-DAD chromatogram of standard (a) compared with Baizhi root tissue (b). Peaks 1, 2, 4, 5, 6 and 7 were identified as xanthotoxin, bergapten, oxypeucedanin, imperatorin, phellopterin and isoimperatorin, respectively