Effect of ammonium and nitrate ratio on glucose oxidase activity during gluconic acid fermentation by a mutant strain of Aspergillus niger |
| |
Authors: | Ray S Banik A K |
| |
Institution: | Department of Chemical Engineering, University of Calcutta, India. |
| |
Abstract: | Of the factors tested, the source and concentration of carbon and nitrogen in the medium exerted maximum effect on growth and acid production. Glucose (15%) and urea (0.14%) induced glucose oxidase synthesis and optimum yield of calcium gluconate. Potassium dihydrogen phosphate (0.2%) and magnesium sulphate (0.06%) stimulated glucose oxidase activity and calcium gluconate production. Borax at a concentration of 1.5 g/L induced maximum glucose oxidase and calcium gluconate production with increased glucose utilization. |
| |
Keywords: | |
本文献已被 PubMed 等数据库收录! |
|