Fig. 2From: Development of an economical fermentation platform for enhanced ansamitocin P-3 production in Actinosynnema pretiosumResponse surface and contour plot of AP-3 production. a Effects of glycerol and cane molasses; b effects of glycerol and soybean powder; c effects of cane molasses and soybean powder; d ramps view of numerical optimization. The optimal factor settings were shown with red points and the optimal response prediction value was displayed in blueBack to article page