7Barman T E.Enzyme Handbook I[M].Berlin:Springer-Verlay,1969:112-113.
8Petruccioli M,Fenice M,Piccioni P,et al.Effect of stirrer speed and buffering agents on the production of glucose oxidase and catalase by Penicillium variabile (P16) in benchtop bioreactor[J].Enzyme and Microbial Technology,1995,17:336-339.