Journal
ENGINEERING IN LIFE SCIENCES
Volume 9, Issue 4, Pages 303-310Publisher
WILEY
DOI: 10.1002/elsc.200900022
Keywords
Mixed substrate solid state fermentation; Optimization; Response surface methodology; Lovastatin; Monascus purpureus
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Funding
- University Grants commission [34-394/2008-SR]
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The objective of this work is to enhance the production of lovastatin using Monascus purpureus MTCC 369 in mixed substrate solid state fermentation using various solid substrates and to optimize the combination of the solid substrates by response surface methodology. Solid state fermentation was conducted in a 250 mL Erlenmeyer flask at 30 degrees C for 14 days with initial moisture content of 40% and inoculum size of 10% active culture. Barley, long grain rice and sago starch were found to be the suitable substrates producing maximum lovastatin of 193.7 mg, 190.2 mg and 180.9 mg/g of dry solids. These substrates were further used in various combinations as designed by the central composite design for enhancing the lovastatin production using Monascus purpureus. To the best of our knowledge this is the first report on the production of lovastatin using a mixed substrate solid state fermentation using Monascus purpureus.
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