Fig. 2From: Improved natural melanin production by Aspergillus nidulans after optimization of factors involved in the pigment biosynthesis pathwayResponse surface curves representing the interaction between the factors: A L-DOPA and glucose, B L-DOPA and L-tyrosine, C L-DOPA and glutamic acid, and D L-DOPA and copper sulfate on melanin production by mel1 mutantBack to article page