Substratea | Activity (UI/mL)b |
---|
ONPG | 22.125 ± 0.018 |
Lactose | 5.622 ± 0.002 |
CM-cellulose | 0.253 ± 0.004 |
ρNPG | 0.043 ± 0.005 |
- aONPG: o-nitrophenol-β-d-galactopyranoside; ρNPG: ρ-nitrophenol-β-d-galactopyranoside; CM-cellulose: carboxymethyl celulose; Lactose: β-d-galactopyranosyl-(1→4)-d-glucose
- bOne unit (U) of β-galactosidase activity was defined as the amount of the enzyme catalyzing the release of 1 µmol of o-nitrophenol per min at 410 nm (Nagy et al. 2001)