(Saccharomyces cerevisiae cerevisiae)

High acidity, more balance

  • Suitable for organic wine (EU 2018/848)
  • Suitable for NOP
  • Vegan

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Product detailsWine typesTechnical informationProduct documentationPairing
Product DescriptionDocumentation

Product details

IONYSwf™ is the first wine yeast that has been selected within the Saccharomyces cerevisiæ species for its capacity to significantly and naturally acidify must during fermentation. Wines obtained from high maturitygrapes and fermented with this yeast are well-balanced and more fresher.

Selected by Selected in collaboration with INRA, Montpellier, France

Wine types


Technical information

  • General sensory contribution: High acidification power:
  • Minimum temperature: 25 °C
  • Maximum temperature: 28 °C
  • Nutritional needs: High
  • MLF compatibility: Recommended
  • SO2production: Very low
  • Alcohol tolerance: 15.5 %
  • Glycerol production: Very high

Product documentation


  • Merlot
  • Syrah
  • Zinfandel