Enzyme Research

Enzyme Research / 2011 / Article / Tab 1

Research Article

Catalytical Properties of Free and Immobilized Aspergillus niger Tannase

Table 1

Kinetic constants of free and immobilized tannase.

Microorganism SubstrateFree tannaseImmobilized tannaseReference

mM

μmol/min

mM

μmol/min

Rhizopus oryzaeSal seed30.9*4.4**39.9*4.0**[18]
Rhizopus oryzaeMyrobalan26.3*9.4**29.0*2.4**[18]
Rhizopus oryzaeTea leaf26.4*0.47**30.5*0.46**[18]
Aspergillus oryzaeTannic acid7.358011.7640[14]
Aspergillus nigerTannic acid0.30.0130.60.020[24]
Aspergillus nigerTannic acid 416 131[22]
Aspergillus nigerTannic acid0.4000.0523.750.25This study
Aspergillus nigerMethyl gallate0.4330.0330.5290.003This study

*These results are expressed as mg/mL.
**These results are expressed as U/mL/h.