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Isolation of Pigment Overproducing Mutant from Monascus purpureus and Optimization of Pigment Production  

Park Chi Duck (Department of Microbiology, Keimyung University)
Jung Hyuck Jun (Department of Microbiology, Keimyung University)
Yu Tae Shick (Department of Microbiology, Keimyung University)
Publication Information
Korean Journal of Microbiology / v.41, no.2, 2005 , pp. 130-134 More about this Journal
Abstract
Isolation of a pigment overproducing mutant, P-57, by ultraviolet irradiation of Monascus purpureus KCCM 60016 and investigation of the optimal conditions for pigment production of the mutant were carried out. P-57 mutant produced pigment on solid state culture. Unpolished rice was the best cereal source for pigment production among eight kinds of tested cereal sources for the solid culture of the mutant. The optimal culture condition for pigment production were obtained from the cultivated at $30^{\circ}C,\;90\%$ humidity for 30 days. The P-57 mutant strain showed the best pigment productivity of 160.0 unit at red pigment, 193.6 unit at orange pigment, and 141.6 unit at yellow pigment on solid state culture under optimal condition.
Keywords
monascus pigment; Monascus purpureus; pigment overproducing mutant;
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