Table 3.
Enzyme activity on HQ in the presence of phenolic inhibitors of HQDO
| Inhibitor | Activity (%) | Inhibitor concentration (μM) | SD (%) |
|---|---|---|---|
| 4-Hydroxybenzoate | 46 | 200 | 0.4 |
| 3,4-Dihydroxybenzoate | 94 | 200 | 4.6 |
| 4-Hydroxybenzylcyanide | <1 | 200 | 0.3 |
| 3 | 20 | 0.3 | |
| 16 | 2 | 0.2 | |
| Aminobenzoic acid | 93 | 200 | 1.2 |
| Vanillin | 7 | 200 | 2.2 |
| 18 | 100 | 7.4 | |
| Vanillyl alcohol | 62 | 200 | 1.0 |
| Vanillate | 86 | 200 | 1.0 |
| 4-Coumaric acid | 97 | 200 | 1.9 |
| Caffeic acid | 98 | 80 | 2.5 |
| Phenol | 98 | 200 | 1.7 |
| Catechol | 93 | 200 | 1.3 |
| Resorcinol | 99 | 200 | 0.5 |
| 4-Nitrophenol | 27 | 200 | 1.2 |
| 4-Mercaptophenol | 1 | 200 | |
| 5 | 20 | ||
| Benzoquinone | 3 | 200 | 0.9 |
| 16 | 20 | 0.3 |