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3787 Trappist High Gravity.
Probable origin: Westmalle,
Belgium
Beer Styles: Doubles, Triples, Abbey, Beir de Grarde
Commercial examples may include: Westmalle, Rochfort, Chimay, Casteel
Unique properties: This
strain produces intense esters and phenolic characteristics with complex
fruitiness. Does not produce significant amount of iso-amyl acetate (banana
esters) or bubble gum esters typical of many yeast of this style. Phenol and
ester production are influenced by fermentation temperatures. Phenols tend to
dissipate as beer matures. This type of yeast benefits from incremental
feeding of sugars during fermentation, making suitable conditions for doubles
and triples, to ferment to dryness with good alcohol tolerance approximately
11-12% ABV. True top cropping yeast with broad temperature range. Flocculation
- medium; apparent attenuation 75-80%. (64-78° F, 18-25° C)
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