Fig. 9From: Camptothecin bioprocessing from Aspergillus terreus, an endophyte of Catharanthus roseus: antiproliferative activity, topoisomerase inhibition and cell cycle analysisThree-dimensional surface plots for interactions of the variables for CPT production. The interaction of for glycine and tryptophan (A), sodium acetate and incubation time (B), asparagine and salicylic acid (C), phenylalanine and glycine (D), incubation time and pH (E), and salicylic acid and sucrose (F)Back to article page