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

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%

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

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.