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Yeast strains for very high gravity brewing

Technology: Efficient fermentation of very high gravity (VHG) brewer's worts saves energy but requires yeast strains with greater stress-tolerance.

Challenge: Improving the stress-tolerance of proprietary brewer's yeast strains without affecting their flavour production and handling characteristics.

Solution: An appropriate selection method was developed and applied to mildly mutagenised yeast.

Key benefits:

• The developed non-GMO yeast strain variants
• Ferment VHG worts faster and more completel
• Produce more ethano
• Do not alter the profile of aroma compounds or the handling characteristics.