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Active components in FZHY inhibited human HSC-LX-2 activation. LX-2 cells were treated for 24 h with indicated concentrations of (A) schisantherin A, (B) schisandrin B, (C) salvianolic acid A, (D) salvianolic acid B, (E) tanshinone II-A, (F) dihydrotanshinone I, (G) kaempferol. CCK8 assay was used to measure the cell viability. Data were obtained from three independent experiments performed in triplicate and presented as means (±SD). P < 0.05, P < 0.01, P < 0.001 versus the control (CTL).