{"schemaVersion":"1.0","generatedAt":"2026-09-22","licence":{"status":"not-yet-granted","spdx":null,"statement":"No licence has yet been granted for SmellBook-created datasets. They are publicly readable; reuse beyond citation and quotation needs permission until a licence is published."},"node":{"entityType":"claim","urn":"smellbook:claim:odorants-with-the-greatest-impact-on-roasted-arabica-coffee-flavour","key":"odorants-with-the-greatest-impact-on-roasted-arabica-coffee-flavour","label":"Odorants with the greatest impact on roasted Arabica coffee flavour","description":"In a sensory study of one roasted Arabica coffee, a model of 27 odorants, chosen on the basis of the quantified potent odorants and dissolved in an oil/water mixture, had a flavour profile very close to that of the real sample, and duo and triangle tests against models missing one or more odorants indicated that 2-furfurylthiol, 4-vinylguaiacol, several alkyl pyrazines, furanones, acetaldehyde, propanal, methylpropanal, 2-methylbutanal and 3-methylbutanal had the greatest impact on the coffee flavour.","scope":"One sample of roasted Arabica coffee and a model of its potent odorants in an oil/water mixture. The source reports impact on the coffee's flavour, not specifically on its smell; no ranking among the named compounds; not every coffee, roast or brew.","evidenceClass":"scientific","canonicalUrl":"https://smellbook.com/evidence/claims/odorants-with-the-greatest-impact-on-roasted-arabica-coffee-flavour","attribution":"SmellBook (https://smellbook.com)"},"outgoing":[{"relation":"cites-source","label":"cites source","entity":"smellbook:source:roasted-arabica-coffee-character-impact-odorants-1999","entityLabel":"Sensory Study on the Character Impact Odorants of Roasted Arabica Coffee","record":"/data/graph/source/roasted-arabica-coffee-character-impact-odorants-1999.json","provenance":[{"basis":"claim-record","field":"verifiedClaims[CLM-COFFEE-003].sourceIds","evidenceClass":"editorial"}]},{"relation":"claim-about","label":"claim about","entity":"smellbook:smell:coffee","entityLabel":"Coffee","record":"/data/graph/smell/coffee.json","provenance":[{"basis":"claim-record","field":"verifiedClaims[CLM-COFFEE-003].smellSlugs","evidenceClass":"editorial"}]}],"incoming":[],"corrections":[],"citation":null,"boundary":"Edges are typed and unweighted; none is a similarity, recommendation or personalization score. Browser-local Personal SmellBook data is never part of this export."}