SYNERXIA® Gemstone Collection
Our portfolio of high-performance yeasts offers you greater flexibility in matching the right yeast or yeast blend to your specific process and market conditions. We work closely with you to customize a solution that meets your needs and enables greater fermentation performance.

SYNERXIA® EMERALD, our fastest yeast geared for maximum throughput, provides:

  • Enhanced ethanol yield
  • Unmatched robustness
  • Increased rate of fermentation
  • Up to 75% glucoamylase replacement
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SYNERXIA® SAPPHIRE is our most robust yeast proven in numerous trials to deliver unrivalled benefits including:

  • High yields finishing with ultra-low DP1
  • Revolutionary thermotolerance and infection robustness
  • Expression of a glucoamylase with high affinity for residual starch
  • Reducing glucoamylase dose by up to 80%
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SYNERXIA® RUBY, the new standard in high yield yeast, has been shown to:

  • Provide the highest yield of any yeast available from the XCELIS® platform
  • Reduce CO2 and glycerol production through the patented PKL pathway
  • Produce less acetic acid as compared to SYNERXIA® THRIVE GX
  • Enable up to 65% glucoamylase reduction
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Is yeast blending right for your plant?  Click here to read more about the benefits.

Check with your IFF rep for the best solutions available for your region.


DuPont's Nutrition & Biosciences and IFF are coming together

This isn't about forming another industry giant. This is about merging curiosity and capability to create unique, leading-edge solutions at the intersection of science and creativity.

To learn more about IFF and the merger, go to