アルコール醗酵における酵母の増殖について

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On the growth of yeast in grain alcohol fermentation using saccharified corn mash as a medium, the following equation can be set up.N=(N_oN_m/(N_m-N_o))/(e<at>+N_o/(N_m-N_o)) (6) Experiments have proved the equation holds ture and the value of a in the equation was determined by graphical and analytical methodis.The fermetation was conducted in corn mash with sugar in different concentrations at 23°. And the effect of the initial sugar concentration on the maximal growth of yeast was investigated. As the results of the experiments, the following equation was set up.N_m-N_o=K(C_o-C_r)^8 (13)From these equations described above, a growth curve of yeast in grain alcohol fermentation can be easilly obtained when the inoculum size (N_o) and the initial sugar concentration (C_o) were given.The other examples of yeast growing in the alcohol fermentation with different media also proved to satisfy the above equation (6). Yield value of yeast (equation 14) was found to be a function of the initial sugar concentration in the fermentation (equation 15).
公益社団法人日本生物工学会の論文
1964-04-15