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Production of mycophenolic acid by Penicillium brevicompactum-A comparison of two methods of optimization.


ABSTRACT: Production of mycophenolic acid (MPA) by submerged fermentation using the microfungus Penicillium brevicompactum MTCC 8010 is reported here. Screening experiments were used to identify: the suitable media composition; the optimal initial pH; and the optimal incubation temperature to maximize the production of MPA in batch cultures. The initial concentrations of the selected sources of carbon (glucose), nitrogen (peptone) and the precursors (methionine, glycine) were then optimized by: (1) one-at-a-time variation of factors; and (2) a central composite design (CCD) of experiments, in a 12-day batch culture at an initial pH of 5.0, an incubation temperature of 25 °C, and an agitation speed of 200 rpm. The medium optimized using the one-at-a-time variation yielded a peak MPA titer of 1232 ± 90 mg/L. The medium optimized by the CCD method yielded a 40% higher MPA titer of 1737 ± 55 mg/L. The latter value was nearly 9-fold greater than the titer achieved prior to optimization.

SUBMITTER: Patel G 

PROVIDER: S-EPMC5042303 | biostudies-literature | 2016 Sep

REPOSITORIES: biostudies-literature

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Production of mycophenolic acid by <i>Penicillium brevicompactum</i>-A comparison of two methods of optimization.

Patel Gopal G   Patil Mahesh D MD   Soni Surbhi S   Khobragade Taresh P TP   Chisti Yusuf Y   Banerjee Uttam Chand UC  

Biotechnology reports (Amsterdam, Netherlands) 20160804


Production of mycophenolic acid (MPA) by submerged fermentation using the microfungus <i>Penicillium brevicompactum</i> MTCC 8010 is reported here. Screening experiments were used to identify: the suitable media composition; the optimal initial pH; and the optimal incubation temperature to maximize the production of MPA in batch cultures. The initial concentrations of the selected sources of carbon (glucose), nitrogen (peptone) and the precursors (methionine, glycine) were then optimized by: (1)  ...[more]

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