Journal
ENZYME AND MICROBIAL TECHNOLOGY
Volume 30, Issue 7, Pages 889-894Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/S0141-0229(02)00037-6
Keywords
lovastatin production; Monascus ruber; response surface methodology; fermentation; medium optimization
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Response surface methodology (RSM) was employed to study the effect of culture medium on the production of lovastatin in mixed solid-liquid state (or submerged) cultures by Monascus ruber. The maximal lovastatin yield (131 mg/L, average of three repeats) appeared at the region where the respective concentrations of rice powder, peptone, glycerin, and glucose were around 34.4 g/L, 10.8 g/L, 26.4 ml/L, and 129.2 g/L, respectively. The optimized medium resulted in a significant increase of lovastatin yield, as compared with that obtained by the fermentation of many other M. ruber species. (C) 2002 Elsevier Science Inc. All rights reserved.
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