EUROPEAN BREWERY CONVENTION: YEAST GROUP

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Abstract
Members of the E.B.C. Yeast Group have examined several methods for estimating the viability of brewery yeasts. It has been found that, for yeasts in good condition, there Is reasonably good agreement between the results given by a selected slide culture technique and by a staining method. With yeasts in poor condition, the staining method gives results which are misleadingly high; on the other hand, the slide culture using a suitable incubation time is probably applicable to a greater range of viabilities. Preferred versions of these tests are formulated.