TABLE 2.
The IC50 values of representative compounds screened from P. sinense against COX-2 in vitro.
No. | Compounds | IC50 (μM) a |
---|---|---|
1 | Diphyllin | 1.29 ± 0.14 |
2 | Podophyllotoxin | 10.49 ± 0.61 |
3 | Diphyllin O-glucoside | >20 |
4 | Indomethacin b | 1.22 ± 0.08 |
IC50, half-maximal inhibitory concentrations.
Positive control.