Table 1
Determination of cell cytotoxicity (CC50) of Danshen. CC50 means cytotoxic concentration causing 50% cell death. The results are mean of three independent experiments.

NCell line.	CC50 ± S.D. (㎍/㎖)
HEK293T1	19.55 ± 0.02
Hela	63.66 ± 0.06