EFFECT OF ALKALINE-EARTH METAL SALTS ON FLOCCULENCEIN SACCHAROMYCES CEREVISIAE
Open Access
- 8 July 1973
- journal article
- research article
- Published by The Institute of Brewing & Distilling in Journal of the Institute of Brewing
- Vol. 79 (4), 294-297
- https://doi.org/10.1002/j.2050-0416.1973.tb03543.x
Abstract
Flocculation in three strains of Saccharoymces cerevisiae is inhibited by two classes of ionic substances: (1) the alkaline-earth metal ions Sr and Ba, and (2) Ca complexing substances. Sr appears to be competitive with Ca in the flocculence mechanism because the extent of inhibition depends mainly on the ratio of Sr and Ca concentrations. The observations imply that the Ca requirement for flocculation is by a specific, unique process, and not by the commonly presumed charge neutralization or Ca salt-bridging mechanism.Keywords
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