Research Article

Prolonged Laccase Production by a Cold and pH Tolerant Strain of Penicillium pinophilum (MCC 1049) Isolated from a Low Temperature Environment

Figure 5

Effect of nitrogen sources on laccase production by P. pinophilum for up to 35 days of incubation. AN: ammonium nitrate (control), AC: ammonium chloride, AS: ammonium sulfate, AFS: ammonium ferrous sulfate, KN: potassium nitrate, and U: urea.
120708.fig.005