The Guinness brewery has kept a record of the yeast strains it has used going back to 1903 – a genetic analysis shows these are distinct from those used to brew other Irish beers
The Guinness brewery has kept a record of the yeast strains it has used going back to 1903 – a genetic analysis shows these are distinct from those used to brew other Irish beers The Guinness brewery has kept a record of the yeast strains it has used going back to 1903 – a genetic analysis shows these are distinct from those used to brew other Irish beers