The increase in absorbance due to oxidation of guaiacol was measured at 470 nm. Enzyme activity was calculated in terms of mmol of guaiacol oxidized min1 g1 fresh weight at 37 8C, and was expressed as U g1 FW min1 .
The increase in absorbance due to oxidation of guaiacol was measured at 470 nm. Enzyme activity was calculated in terms of mmol of guaiacol oxidized min1 g1 fresh weight at 37 8C, and was expressed as U g1 FW min1 .