Biotechnology Letters

, Volume 10, Issue 5, pp 355–360 | Cite as

Comportment of S. cerevisiae in relation to ions Ca++ and Mg++ on beet molasses wort

  • E. Wolniewicz
  • F. Letourneau
  • P. Villa


Calcium and magnesium are present in molasses at variable and sub-optimal concentrations for yeast metabolism. A molasse wort containing 60 p.p.m. of magnesium and 125 p.p.m. of calcium allows an optimal fermentation. If calcium becomes quickly toxic by accumulation in the yeasts, this effect can be corrected by additions of magnesium, without significant effect on the biomass.


Calcium Biomass Fermentation Magnesium Organic Chemistry 
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Copyright information

© Kluwer Academic Publishers 1988

Authors and Affiliations

  • E. Wolniewicz
    • 1
  • F. Letourneau
    • 1
  • P. Villa
    • 1
  1. 1.Laboratoire de Chimie Organique et CinétiqueU.F.R. des Sciences Fondamentales et AppliquéesAmiensFrance

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