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Activity of PPO with different phenolic substrates.
| Substrate (5 mM) | O2 Consumption (mg/L min) | |
|---|---|---|
| Tyrosinase | Laccase | |
| Resveratrol | 3.24 | 2.29 |
| Polydatin | 1.14 | 2.95 |
| Coumaric acid | 0.46 | 0.26 |
| Caffeic acid | 33.10 | 2.86 |
| Ferulic acid | 0.44 | 2.61 |
| Gallic acid | 0.92 | 1.64 |
| Phlorizin | 2.16 | 0.18 |
