Table 5. IC50 values of purpurin, catechin, tannic acid, reserpine, methyl gallate, rutin and DBME for in vitro iron chelation and cytotoxicity against WI-38 cells.
| Phytochemicals | Iron chelation assay | Cytotoxicity assay |
|---|---|---|
| Purpurin | 252.37 ± 4.08 | 1467.75 ± 291.39 |
| Catechin | 1940.22 ± 179.61 | 753.56 ± 31.99 |
| Tannic acid | 50.22 ± 0.85 | 581.03 ± 64.97 |
| Reserpine | 3095.13 ± 438.00 | 44.80 ± 2.06 |
| Methyl gallate | 70.86 ± 1.20 | 344.09 ± 31.34 |
| Rutin | 158.96 + 3.86 | 1230.51 ± 195.42 |
| DBME | 40.90 ± 0.31 | 3351.96 ± 481.04 |
# All the IC50 values are determined in μg/ml. Data expressed as mean ± S.D (n = 6).