Annotation

Treat as supporting qualitative evidence because identification and controls are limited.

Challenges Claims

Citations

Heinz and Elkins 2019 — unaged and barrel-aged whisky — Chicago

Context

Evidence captured during full-source processing of the supplied PDF.

Excerpt ID

2002

Excerpt Text

Cis-whisky lactone, vanillin-related material, and syringaldehyde were among compounds associated with aged samples and absent from paired unaged spirit in this dataset.

Literature Notes

Commercial whiskey comparisons do not isolate maturation — Heinz and Elkins

Locator End

5

Locator Start

5

Locator Type

Page

Originating Working Notes

Page (text)

Source

No access

Source Section

Conclusion

Supports Claims

Tags

BourbonMaturation and WoodOak ExtractivesGas Chromatography

Verification Notes

Paraphrase checked against local PDF sheet 5 on 2026-09-05; not presented as a verbatim quotation.

Verification Status

Verified

Whiskey Knowledge Databases › Evidence Excerpts

Evidence

Cis-whisky lactone, vanillin-related material, and syringaldehyde were among compounds associated with aged samples and absent from paired unaged spirit in this dataset.

Locator and context

Locator: Page 5–5

Source section: Conclusion

Context: Evidence captured during full-source processing of the supplied PDF.

Interpretation and caution

Treat as supporting qualitative evidence because identification and controls are limited.

Verification

Paraphrase checked against local PDF sheet 5 on 2026-09-05; not presented as a verbatim quotation.