Figure 2.

Representative chromatograms of tanshinone IIA in rat plasma and tissue homogenate. The samples from rat at 0.5 h following oral administration of Bushen Huoxue Qubi at a dose of 60 mg/kg tanshinone IIA: (a) Blank plasma; (b) blank plasma spiked with tanshinone IIA standard and internal standard loratadine; (c) plasma sample; (d) blank liver; (e) blank lung; (f) blank heart; (g) blank brain; (h) liver sample; (i) lung sample; (j) heart sample; (k) brain sample. (IS: loratadine; 1: tanshinone IIA)