Table 2.
The 50% inhibitory concentration (IC50) values of tested samples on nitric oxide (NO) and prostaglandin E2 (PGE2) production from lipopolysaccharide (LPS)-stimulated RAW 264.7 cells.
| Tested sample | IC50 (μg/mL) |
|||||
|---|---|---|---|---|---|---|
| NO | PGE2 | |||||
| DHJST | 123.94 | ± | 1.45 | 131.73 | ± | 5.42 |
| TH | 44.35 | ± | 4.44 | 75.74 | ± | 0.74 |
| CC | 18.45 | ± | 3.03 | 9.49 | ± | 0.00 |
| EU | 66.60 | ± | 4.31 | 41.88 | ± | 7.63 |
| Cinnamic aldehyde | 1.01 | ± | 0.56 | 1.79 | ± | 0.23 |
Data are presented as the mean (±S.D.) of at least three independent experiments, each performed in triplicate. DHJST: Du-Huo-Ji-Sheng-Tang, TH: Tonifying herbs, CC: Cinnamomum cassia, EU: Eucommia ulmoides.