| Papaya peel extracts | Caspase-3 activity* | Cellular DNA fragmentation (Enrichment factor) |
| 50 µg/ml | 0.97 ± 0.02d | 1.01 ± 0.06z |
| 100 µg/ml | 1.06 ± 0.03c | 1.06 ± 0.03yz |
| 250 µg/ml | 1.18 ± 0102b | 1.12 ± 0.03xy |
| 500 µg/ml | 1.27 ± 0.04a | 1.34 ± 0.10x |