Fig. 3From: Enhancement of doxorubicin production in Streptomyces peucetius by genetic engineering and process optimizationOptimization of fermentation medium optimization by RSM. a, b Effects of dry yeast power and maltodextrin on the doxorubicin yield. c, d Effects of dry yeast power and calcium chloride on the doxorubicin yield. e, f Effects of calcium chloride and maltodextrin on the doxorubicin yield. g Effect of different calcium sources on doxorubicin production. h Effect of the calcium chloride concentration on doxorubicin productionBack to article page