. Pharmaceutical bacteriology. Bacteriology; Disinfection and disinfectants. YEASTS AND MOLDS 303 There are numerous varieties of Saccharomyces concerned in beer brewing. There are several kinds of upper or top yeasts {Kahmhefe Oberhefe) and several kinds of bottom or lower yeasts {Unterkefe), each kind possessing supposedly special properties. Just what part the more or less incidentally associated organisms (as bacteria, molds, and foreign. Fig. 76.—Sak6 making. Steamed rice cells (c) attacked by the hyphse (a) of Aspergillus oryzce which feed upon the dex rinized rice starch, converting it
. Pharmaceutical bacteriology. Bacteriology; Disinfection and disinfectants. YEASTS AND MOLDS 303 There are numerous varieties of Saccharomyces concerned in beer brewing. There are several kinds of upper or top yeasts {Kahmhefe Oberhefe) and several kinds of bottom or lower yeasts {Unterkefe), each kind possessing supposedly special properties. Just what part the more or less incidentally associated organisms (as bacteria, molds, and foreign. Fig. 76.—Sak6 making. Steamed rice cells (c) attacked by the hyphse (a) of Aspergillus oryzce which feed upon the dex rinized rice starch, converting it into sac- charine substances. Yeast cells and bacilli are usually associated with the hyphal fun- gus, feeding upon the saccharine substances formed. yeasts) may play in the fermentation processes is not clearly understood. It is known that some of these extraneous organisms may develop to such an extent as to modify the quality of the product completely. Such fer- mentation diseases are a source of much annoyance to manufacturers, often resulting in great financial loss, but this has also been the great stimulus in compelling the use of pure cultures and in perfecting those methods which are known to improve the keeping qualities of the Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Schneider, Albert, 1863-1928. Philadelphia, P. Blakiston's Son & Co.
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