電気殺菌法の研究-XII : 細菌胞子の加熱による靜菌作用の消長について(その1)

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The spores of Bacillus mesentericus, heated in the solution of three kinds of disinfectant, Furaskin, pentachlor phenol and vitamin K3 at 86°C., were cultured in the medium containing the same disinfectants. The bacteriostatic effects were observed, comparing with the germination rate which is the ratio of the number of the germinated spores in the medium with disinfectant to the number of those germinated in the culture without disinfectant. The results are as follows; (1) The bacteriostatic effect was raised with the increasing of the heating time. (2) The effect was increased more intensely when the spores were heated in the existence of disinfectants. (3) The germination of the spores was delayed remarkably in the recovery culture containing disinfectants. (4) Among these three disinfectants, Furaskin appears to have the highest bacteriostatic effect and pentachlor phenol comes next to and vitamin K3 falls behind the others.
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