The book A Study of Bacteria Which Survive Pasteurization was written by author S Henry Samuel Henry Ayers Here you can read free online of A Study of Bacteria Which Survive Pasteurization book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is A Study of Bacteria Which Survive Pasteurization a good or bad book?
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85 per cent of the peptonizing group. It is evident from these experiments that the milk- tube method was much superior to the litmus lactose gelatin plate method of differentiation. Its advantages may be summarized as follows: 1. The milk-tube method is more accurate than the plate method for the differentiation of bacteria into groups. 2. It is possible by this method to separate the alkali-forming group of bacteria from the inert group, which is not possible on lit- mus lactose gelatin plate...s. 3. The activity of the bacteria in the various groups can to some extent be determined by their ability to produce changes in litmus milk after various lengths of incubation. FIG. 4. Comparison of the milk-tube and plate method for the determination of the bacterial groups in milk. 24 BACTERIA WHICH SURVIVE PASTEURIZATION. THE BACTERIAL GROUPS IN GRADE A MILK BEFORE AND AFTER PAS- TEURIZATION FOR 30 MINUTES AT 62. 8 C. (145 F. ). Throughout the study of the bacterial groups in raw and pasteur- ized milk the milk-tube method of differentiation has been used.
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