Figure 1: Chemical structures of the 6 active components contained in Chinese Angelica (1) ferulic acid, (2) Senkyunolide I, (3) Senkyunolide H, (4) Coniferyl ferulate, (5) E-Ligustilide, (6) E-Butylidenephthalide, (7) Z-Ligustilide, (8) Z-Butylidenephthalide