| Substrate |
Relative activity (%) |
Vmax (pkat.mg-1) |
Km (µM) |
Kcat/Km (mM-1.min-1) |
| Quercetin |
100 |
500 |
128.5 |
1587.4 |
| Caffeic acid |
45.3 |
175.4 |
190.1 |
594.8 |
| Luteolin |
19.3 |
|
|
|
| Myricetin |
3.6 |
|
|
|
| Tricetin |
2.7 |
|
|
|
| 5-HFA |
2.1 |
|
|
|
*The standard enzyme assay was used as described in the Methods section. |