Tracking down beer-spoilage bacteria in yeast
Optimising evidence | Detection of beer-spoilage bacteria in the brewing process is of the utmost importance. These bacteria can cause, among other things, hazes, acid and off-flavours in the product. It is extremely difficult, especially in pure culture yeast and also in cropped yeast, to track down these beer spoilers because their growth is suppressed by yeast. In addition, these bacteria are often present as trace contaminants in such yeast. In this study, a method has been developed to detect beer-spoilage bacteria in pure culture yeast much faster and with a higher degree of reliability than has been the case with existing methods.
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