2010
DOI: 10.1016/j.procbio.2010.01.018
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Correlations between reduction–oxidation potential profiles and growth patterns of Saccharomyces cerevisiae during very-high-gravity fermentation

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Cited by 44 publications
(35 citation statements)
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“…Statistical experimental designs such as Plackett-Burman design for selection of critical nutrients and response surface methodology, which was based on a three-level four-factor BoxBehnken design for optimization of medium composition, were successfully employed for designing a low-cost VHG medium based on glucose [52]. Recently, correlations between reduction-oxidation potential proWles, which were controlled at certain levels by manipulating aeration, and the growth patterns of Saccharomyces cerevisiae during VHG fermentation were studied [38]. The results indicate that redox potential proWles are useful to pick up subtle diVerences as yeasts transition from one phase to another; thereby proper substrate feeding and/or product recovery strategies could be developed to maximize ethanol productivity and to process automation.…”
Section: Process Optimization Studiesmentioning
confidence: 99%
“…Statistical experimental designs such as Plackett-Burman design for selection of critical nutrients and response surface methodology, which was based on a three-level four-factor BoxBehnken design for optimization of medium composition, were successfully employed for designing a low-cost VHG medium based on glucose [52]. Recently, correlations between reduction-oxidation potential proWles, which were controlled at certain levels by manipulating aeration, and the growth patterns of Saccharomyces cerevisiae during VHG fermentation were studied [38]. The results indicate that redox potential proWles are useful to pick up subtle diVerences as yeasts transition from one phase to another; thereby proper substrate feeding and/or product recovery strategies could be developed to maximize ethanol productivity and to process automation.…”
Section: Process Optimization Studiesmentioning
confidence: 99%
“…The experimental procedure, equipment, sampling, and data analysis used in this article have been previously reported . Briefly, an industrial S. cerevisiae (Ethanol Red TM ) strain was precultured and then propagated in a jar fermenter under three different initial glucose concentrations (∼200, ∼250, and ∼300 g/L) and three redox potential control level: no control, −150 and −100 mV.…”
Section: Methodsmentioning
confidence: 99%
“…Among these models, iFF708 was the most referred and concise. As a result, iFF708 was adopted for this research and used to incorporate situations relating to ethanol production under redox potential–controlled VHG conditions . To do so, the following modifications to the original iFF708 model were made: (a) ETC and oxidative phosphorylation, (b) proton gradient and ATP synthesis, and (c) malate–aspartate shuttle.…”
Section: Methodsmentioning
confidence: 99%
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“…For example, with addition of potassium ferrocyanide, CRP could be maintained between 280 and 80 mV [1] to obtain a high citric acid productivity in Aspergillus niger fermentation. In addition, CRP played an important role in the cellular physiology of microorganisms such as growth capacity [12,14,16] and thermal resistance [8,20]. However, there was no literature about the eVects of CRP on the production of biopolymers, such as -polylysine, poly( -D-glutamic acid), and PMLA.…”
Section: Introductionmentioning
confidence: 99%