Encyclopedia > Brewing Yeast

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Brewing Yeast

Brewing Yeasts These are yeasts used in the brewing Process and which have certain properties, including:
  • The ability to convert certain sugars to alcohol
  • Reduce diacetyl thereby avoiding 'buttersoctch ' flavours in the beer

Categories

These fall into 2 main categories-
  • Saccharomyces Carlsbergensis
  • Saccharmoyces Cerevisiae

Industrial Propagation

To ensure purity of strain , a 'clean' sample of the Yeast is stored in a laboratory environment at refridgerated temperature. After a certain number of fermentation cycles , a full scale propagation is produced from this laboratory sample. Typically, it is grown up in about 3-4 stages using sterile Brewing wort and oxygen / air.



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