Laccase catalyses the oxidation of phenol containing compounds, including lignin, through the reduction of oxygen to water. The presence of mediators will allow the oxidation of non-phenlic compounds as well. The primary function of laccase is to degrade lignin in fungi.

• Soluble in water
• Can be stored at 2 to 8 °C

One unit corresponds to the amount of enzyme which converts 1 μmole of catechol per minute at pH 5,0 and 25 °C.