Table II.
Growth inhibition of human tongue carcinoma TCA8113 cells by different concentrations of Cassia tora L., as evaluated by a 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay.
| OD540 (concentration of sample, mg/ml)
|
|||
|---|---|---|---|
| Treatment | 0.25 | 0.5 | 1.0 |
| Control (untreated) | 0.497±0.005a | ||
| Cassia tora L. | 0.417±0.008b(16) | 0.283±0.010c(43) | 0.139±0.007d(72) |
The values in parentheses are the inhibition rates (%).
a–d
Mean values with different letters in the same column are significantly different (P<0.05) according to the Duncan’s multiple range test.