Production of pullulan by a fed-batch fermentation |
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Authors: | Yong Chul Shin Young Ho Kim Hyun Soo Lee Young Nam Kim Si Myung Byun |
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Institution: | (1) Department of Biological Science & Engineering, Korea Advanced Institute of Science & Technology (KAIST), P.O.B. Chungryang 150, 131 Seoul, Korea;(2) Sun-Hill Glucose Co., 160 Incheon, Korea |
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Abstract: | Summary In pullulan production from sucrose byAureobasidium
pullulans, a sugar concentration higher than 5% (w/v) inhibited cell growth and the production of exopolysaccharide. By a fed-batch fermentation, the inhibitory effects of the high sugar concentration were overcome and 58.0 g/1 of exopolysaccharide were obtained from 10% sucrose.Abbreviations m, n
relationship parameters for the growth and non-growth associated product formation
- X, Xmax
biomass and maximum biomass concentration (g cell/1)
- P
product concentration (g exopolysaccharide/1)
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specific growth rate of cell (hr–1) |
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Keywords: | |
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