Combining chemical separation and quantification with trained human detection, relevant-matrix thresholds, dilution analysis, recombination, and omission tests to determine which compounds and interactions materially shape whiskey aroma.
Whiskey-domain process; book-production procedures belong in Publishing Processes.
Process definition
Inputs: a prepared whiskey sample, relevant-matrix standards, extracted or headspace volatiles, chromatographic separation, trained assessors, and a defined sensory question.
Sequence:
- Separate volatile compounds and detect odor-active regions with GC-olfactometry.
- Use dilution or detection-frequency methods to rank candidate odorants.
- Quantify relevant compounds and determine thresholds in an appropriate matrix.
- Recombine candidate compounds at measured levels.
- Omit individual compounds or groups to test whether the reconstructed aroma changes.
- Interpret results alongside extraction, panel, matrix, masking, synergy, and sub-threshold limitations.
Outputs: located odor-active compounds, sensory descriptors, ranked hypotheses, and evidence about which compounds or interactions materially shape the sample.
Key variables: extraction method, dilution, matrix, ethanol strength, assessor training, replication, thresholds, compound interactions, and sample identity.
Evidence
Supported by LOCAL-073, printed pp. 523–524 and 922–925 (PDF sheets 540–541 and 939–942), after full textual and visual review.
