Figure 8: The brain/blood ratio of five main compounds 5 min after intravenous injection of DHI and single herb Danshen injection in rats (n = 5).

DHI: Dan-hong injection, DI: single herb SM injection. DHI and DI were prepared with the same batch of SM herb. DSS: Danshensu, SAD: Salvianolic acid D, RS: Rosmarinic acid, SAB: Salvianolic acid B, SAA: Salvianolic acid A. For each box plot, the middle line indicates the median, the box indicates the range of the 25th to 75th percentiles of the total data, and the whiskers are from minimum to maximum.