* What’s the difference between FERMOPLUS FRUITY and AROMAZYME?
FERMOPLUS is a nutrient enriched with amino acids which are esterified during fermentation and is best used with yeast strains that express the (IRC7) bio-transformation gene – LalBrew BRY-97, New England, Safale K-97 and White Labs Tropicale are the most active in this regard. FERMOPLUS also speeds up the conversion of bound aroma-active thiol precursors in hops.
AROMAZYME on the other hand is a β-glucosidase enzyme that supplements yeast strains that don’t strongly express the IRC7 gene. All yeasts express this gene to some degree but it has been found to be highest in the ones listed above. Aromazyme is particularly effective at releasing terpenes, which offer different aroma compounds to thiols – terpenes typically offer (but are not limited to) citrus, dank, and piney aromatics rather than thiols that are distinctly white wine, guava and tropical in aroma.
When choosing between the two, keep in mind that FERMOPLUS will both express aroma in your beer through a yeast-hop interaction and the yeast-amino acid interaction, but is reliant to some extent on yeast selection. AROMAZYME on the other hand will help express hop aroma through the yeast-hop interaction alone but will not throw additional yeast-produced esters and other flavour-positive compounds. If in doubt use both, or use Fermoplus initially and Aromazyme at dry hop.
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