Table II.
Proliferation inhibition effect of biflavone substances on glioma U87 cell (%, mean ± SD).
| Concentration (µmol/l) | Compound 1 | Compound 2 | Compound 3 | Compound 4 | Compound 5 |
|---|---|---|---|---|---|
| 0 | 0.13±0.11 | 0.14±0.09 | 0.08±0.12 | 0.11±0.10 | 0.09±0.15 |
| 10 | 12.24±0.24 | 14.10±0.55 | 6.75±0.41 | 6.12±0.33 | 2.23±0.54 |
| 20 | 19.78±0.28 | 17.64±0.86 | 8.17±0.96 | 8.43±0.35 | 1.85±0.21 |
| 40 | 25.66±0.68 | 32.73±0.94 | 12.31±0.68 | 11.92±0.68 | 4.31±0.35 |
| 80 | 55.64±0.65a | 49.82±0.91a,b | 21.17±0.84a–c | 22.78±0.75a–c | 9.87±0.66a–d |
a-d
As for the comparison on single factor inter-class variance, the same letters (P>0.05), indicate that there is no significant difference; the different letters (P<0.05), indicate that there is a significant difference.