{"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-of-cardboard","key":"odorants-of-cardboard","label":"Odorants of cardboard","description":"Aroma extract dilution analysis detected 36 odour-active compounds in cardboard, with vanillin, (E)-2-nonenal, γ-nonalactone, 2-methoxyphenol and δ-decalactone among the most intense, and moistening the cardboard released them extensively.","scope":"Cardboard samples analysed in one study; cardboard varies with its fibres, recycling and storage.","evidenceClass":"scientific","canonicalUrl":"https://smellbook.com/evidence/claims/odorants-of-cardboard","attribution":"SmellBook (https://smellbook.com)"},"outgoing":[{"relation":"cites-source","label":"cites source","entity":"smellbook:source:cardboard-odorants-2009","entityLabel":"Odor-Active Compounds in Cardboard","record":"/data/graph/source/cardboard-odorants-2009.json","provenance":[{"basis":"claim-record","field":"verifiedClaims[CLM-CARDBOARD-001].sourceIds","evidenceClass":"editorial"}]},{"relation":"claim-about","label":"claim about","entity":"smellbook:smell:cardboard","entityLabel":"Cardboard","record":"/data/graph/smell/cardboard.json","provenance":[{"basis":"claim-record","field":"verifiedClaims[CLM-CARDBOARD-001].smellSlugs","evidenceClass":"editorial"}]},{"relation":"claim-about","label":"claim about","entity":"smellbook:smell:wet-cardboard","entityLabel":"Wet Cardboard","record":"/data/graph/smell/wet-cardboard.json","provenance":[{"basis":"claim-record","field":"verifiedClaims[CLM-CARDBOARD-001].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."}