Saccharomyces Cerevisiae – Perfect for light, fruity red wines for early consumption CR51 will enhance ripe berry fruit flavours in light and fruity red wines and introduce a velvet texture perfect for Valpolicella and especially for Beaujolais style wines. This strain has an almost unique ability to confer a smooth even ‘silky’ quality to the wine, perfect for early consumption young reds. CR51 is a medium rate fermenter with optimal temperature between 22 to 30ºC (72 -86ºF) which will ferment to 13.5% abv. ethanol. Low to medium foaming strain with low volatile acid and SO² production.