Fig. 2

Effect of aromatic amino acid addition on rapamycin production. (A) Comparison of different aromatic amino acids addition (phenylalanine, tryptophan and tyrosine) on rapamycin production in S. rapamycinicus S8-19. (B) Comparison of different aromatic amino acids combination on rapamycin production. Phenylalanine and tyrosine effect on (C) rapamycin production, (D) the growth curves and (E) residual sugar