Batch Culture Kinetics of L-Lactate Fermentation Employing Streptococcus sp. IO-1
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概要
- 論文の詳細を見る
We isolated a L-lactate producing cocci which grows at 37℃ as the potimal temperature and pH of 7.0 that is capable of converting glucose to L-lactate with a conversion rate greater than 90%. No other stereochemical isomer of lactic acid was detected in the culture broth by enzymatic analysis. The fermentation exhibits typical end product inhibition and this was confirmed by culturing using medium to which 1% lactate was supplemented as the initial inhibitor. Numerical analysis of the cultures which were carried out at different initial sugar concentrations showed that the specific rates for growth, substrate consumption and lactate formation could be expressed using uncompetitive inhibition formulae. Using these equations, it may be possible to estimate the cell density, remaining sugar concentration and product formation at any phase of the batch fermentation without operation.
- 公益社団法人日本生物工学会の論文
- 1989-01-25
著者
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Ishizaki Ayaaki
Department Of Food Science And Technology Faculty Of Agriculture 46-09 Kyushu University
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Ishizaki Ayaaki
Department Of Food Science And Technology Faculty Of Agriculture Kyusyu University
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Ohta Tomomi
Department Of Food Science And Technology Faculty Of Agriculture Kyusyu University
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Ohta Tomomi
Department Of Ergonomics. Faculty Of Engineering. Chiba University
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