| Primers | Primer sequence 5’→3’ | Annealing (˚C) |
| Catalase (F) | AGGAGGCGGATCTAGCCTTA | 60 |
| Catalase (R) | TGTCAAGAAAGGGGTGTCGT | |
| Peroxidase (F) | GCTTTGTCAGGGGTTGTGAT | 60 |
| Peroxidase (R) | TGCATCTCTAGCAACCAACG | |
| Polyphenol oxidase (F) | CATGCTCTTGATGAGGCGTA | 60 |
| Polyphenol oxidase (R) | CCATCTATGGAACGGGAAGA |