{"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:volatiles-emitted-by-plastic-packaging-films","key":"volatiles-emitted-by-plastic-packaging-films","label":"Volatiles emitted by plastic packaging films","description":"Pieces of plastic food-packaging film emitted material-specific volatile compounds: mostly branched alkanes and alkenes from polypropylene/polyamide, octane and aldehydes from polypropylene, and aldehydes and propanoic acid from polylactic acid.","scope":"Three packaging films screened by GC–MS, not by odour analysis; it does not cover plastics in general.","evidenceClass":"scientific","canonicalUrl":"https://smellbook.com/evidence/claims/volatiles-emitted-by-plastic-packaging-films","attribution":"SmellBook (https://smellbook.com)"},"outgoing":[{"relation":"cites-source","label":"cites source","entity":"smellbook:source:packaging-film-voc-2023","entityLabel":"Screening of volatile organic compounds emitted from different packaging materials: case study on fresh-cut artichokes","record":"/data/graph/source/packaging-film-voc-2023.json","provenance":[{"basis":"claim-record","field":"verifiedClaims[CLM-PLASTIC-001].sourceIds","evidenceClass":"editorial"}]},{"relation":"claim-about","label":"claim about","entity":"smellbook:smell:plastic","entityLabel":"Plastic","record":"/data/graph/smell/plastic.json","provenance":[{"basis":"claim-record","field":"verifiedClaims[CLM-PLASTIC-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."}