Studies on Electrical Sterilization-XIII:Bacteriostatic Effect of Disinfectants on Heated Spores

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The spores of Bacillus mycoides were heated in the solution with and without three kinds of disinfectant, Furaskin, pentachlor phenol and vitamin K3, and their bacteriostatic effect in two cases in the recovery media containing the same disinfectants were compared with one another; (1) The bacteriostatic effects of these disinfectants were raised with increasing of the heating periods. (2) Spores heated in the existence of disinfectant were more easily bacteriostaticized by the same disinfectants. (3) The germination of spores was delayed remarkably in the recovery culture containing these an ?? iseptics. (4) Among these three disinfectants, the intensity of bacteriostatic effects were in regular order, of Furaskin, pentachlor phenol and vitamin K3, diminishing from the higher efficiency. (5) The results of the both present and previous experiments are summarized discussing that the existence of some disinfectant in the sterilization of food has an important signification.
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