Pediococcus soyae の培地組成について (第3報)

概要

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In previous report we concluded that the maximum growth of Ped. soyae was obtained in soy-sauce medium (total nitrogen 0.4%), when pH was controlled during incubation.This report deals with further study made on the effects of NaCl concentrations in culture medium on cell growth.The results obtained were as follows : 1) All strains of Ped. soyae were halophilics, and the optimum NaCl concentration for growth was 7-10%.2)During culturing, the sudden transfer of the cell from salty medium to nonsalty brought about a small decrease in cell yield, presumably because of the halophilic nature of the tested strains.3) Though the amount of cells estimated by optical density, were approximately the same, the viable cell count in salty medium was found to be much higher than that in non-salty medium.
社団法人日本生物工学会の論文
1965-07-25