7Elmadhi I, Baganz F, Dixon K, et al. pH control in microwell fermentations of S. erythraea CA340: influence on biomass growth kinetics and crythromycin biosynthesis[J]. Biochem Eng J, 2003, 16:299
8周德庆．微生物学教程[M]．北京：高等教育出版社，2004：3
9Sunitha K, Jung-lee, Tae-Kwang Oh. Optimization of medium components for phytase production by E. coli using response surface methodology[J]. Bioprocess Eng, 1999, 21:477
10Liu B L, Tzeng Y M. Optimization of growth medium for the production of spores from Bacillus thuringiensis using response surface methodology[J]. Bioprocess Eng, 1998, 18:413
