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Heartwood distilling blend illustration

BSY-BLEND-002

Heartwood

Grain Whisky

Heartwood is a distilling blend for grain and blended whisky production, with a malt-led profile. The sensory description is provisional and awaits production trial confirmation.

Grain WhiskyBlended WhiskyHighland Style

Specifications

Spirit type
Grain Whisky
Wash attenuation
69-77%
Ethanol yield
Moderate
Temperature range
13-22C
Distilling temperature
18-20C
Sulphur tendency
Low
Alcohol tolerance
12%
STA1 (diastatic)
Negative

Flavour Profile

BSY-BLEND-002Fruity EstersFloral / HoneyCereal / MaltySpicy / PhenolicOily / WaxyClean / Neutral
Technical Specifications
EsterIntensityCongenerComplexityPhenolicCharacterFermentationSpeed
Ester Intensity 3/10
Congener Complexity 4/10
Phenolic Character 1/10
Fermentation Speed 5/10

Flavour profiles based on strain lineage research and fermentation science. Validation trials in progress (Grainstock 2026).

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