Technical documentation | Reading Time 1 minute

YSEO process: a unique yeast production process

Lallemand has developed a unique yeast production process called YSEO® (Yeast Security and Sensory Optimization).

This process increases fermentation reliability and security and ensures fewer organoleptic deviations, but not all yeast

can be prepared by this process. The process (when compared to non YSEO®):

  • Improves the yeast cells assimilation of essential micronutrients and vitamins.
  • Improves the yeasts ability to implant in the must for a more reliable fermentation.
  • Linked to a reduction in yeast stress thereby reducing H2S, VA and SO2 production.
  • Shorter lag phase.
  • Improves the resistance and adaption of the yeast under difficult fermentation conditions.


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Published Jul 15, 2014 | Updated Mar 13, 2024