Optimization of nutritional requirements and ammonium feeding strategies for improving vitamin B12 production by Pseudomonas denitrificans
Ze-Jian Wang1*, Ping Wang2, Ju Chu1 and Si-Liang Zhang1
1State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology,
P. O. Box 329, 130 Meilong Road, Shanghai 200237, People’s Republic of China.
2Hebei Medical University, Shijiazhuang 050017, China.
Email: [email protected]