Conversions of Microbial Products in Relation to Oxygen Supply in Inosine Fermentation

概要

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On the basis of the ratio (cell's respiration rate/maximum oxygen demand of cells, rab/KrM) as a new criterion of oxygen supply, symptoms of oxygen deficiency was described in inosine fermentation. Conversions of the products were observed to occur in relation to the extent of oxygen deficiency. When oxygen demand of the cells was satisfied (rab/KrM=1.0), the cells accumulated exclusively inosine. Under limited oxygen supply at the value of rab/KrM 0.5_??_0.9, on the other hand, inosine formation was inhibited and acetoin was the predominant product. When oxygen supply was limited more strictly at the value of rab/KrM smaller than 0.3, the cells excreted 2, 3-butyleneglycol as the main product.
公益社団法人日本農芸化学会の論文