{"kind":"smellbook-citation-package","schemaVersion":"1.0","entry":{"name":"Leather","recordId":"SB-0022","urn":"smellbook:smell:leather","resolver":"https://smellbook.com/id/smell/leather","url":"https://smellbook.com/smells/leather","revision":4,"updatedAt":"2026-10-06"},"cite":{"text":"SmellBook. (2026). Leather (revision 4, 2026-10-06). SmellBook Public Atlas. smellbook:smell:leather. https://smellbook.com/smells/leather","bibtex":"@misc{smellbook_leather_r4,\n  author = {{SmellBook}},\n  title = {Leather},\n  year = {2026},\n  note = {SmellBook Public Atlas, revision 4, 2026-10-06, smellbook:smell:leather},\n  url = {https://smellbook.com/smells/leather}\n}","ris":"TY  - ENCYC\nID  - smellbook-leather-r4\nTI  - Leather\nAU  - SmellBook\nT2  - SmellBook Public Atlas\nPY  - 2026\nDA  - 2026/10/06\nET  - revision 4\nUR  - https://smellbook.com/smells/leather\nN1  - SB-0022; smellbook:smell:leather; resolver https://smellbook.com/id/smell/leather\nER  - "},"dataset":{"release":"2026-11-11","export":"https://smellbook.com/data/graph-export.json","sha256":"6e1112d672ccd0f7b5a892a2dde1dbb45f737814a338891970d3a4e25ba72e18","releases":"https://smellbook.com/dataset-releases"},"evidence":[{"evidenceClass":"scientific","label":"Scientific evidence","claims":[{"id":"CLM-LEATHER-001","urn":"smellbook:claim:what-causes-the-off-odour-of-lower-grade-sofa-leather","resolver":"https://smellbook.com/id/claim/what-causes-the-off-odour-of-lower-grade-sofa-leather","title":"What may cause the off-odour of lower-grade sofa leather","text":"In sofa leathers of different grades, substantial emissions of aliphatic aldehydes and ketones, particularly hexanal, appear to cause the off-flavour of medium- and low-grade leathers.","scope":"Upholstery leather for sofas; it explains an off-odour, not the smell of leather in general.","supportCheck":{"method":"phrase-in-abstract","description":"The statement the claim rests on was found word for word in the abstract fetched from the named service, and an editor read the full abstract against every part of the claim."},"sources":[{"id":"SRC-LEATHER-2025","urn":"smellbook:source:sofa-leather-emissions-2025","resolver":"https://smellbook.com/id/source/sofa-leather-emissions-2025","kind":"PRIMARY RESEARCH","title":"Emission characteristics and probabilistic health risk of volatile organic compounds from leather sofa","authors":"Chuanhui Mu, Yuling Tang, Zhaohui Yang, Jianfei Zhou & Bi Shi","publisher":"Journal of Environmental Sciences","date":"2025-02","doi":"10.1016/j.jes.2023.08.035","url":"https://doi.org/10.1016/j.jes.2023.08.035","passages":[],"citationCheck":{"method":"crossref","checkedOn":"2026-10-03","dateConfirmedTo":"month"}}]}]}],"evidenceBoundary":"Claims are grouped by evidence class and never merged. A historical claim records what its source wrote, about its own time, an earlier time or a time it does not state; it does not describe the present. PREDICTED links are never VERIFIED and are not included.","rights":{"licenceStatus":"not-yet-granted","note":"Citing an entry or dataset records what was read; it does not grant a licence. 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.","sourceText":"No text from any source is included: only citations, passage locations and SmellBook's own wording."},"provenance":{"record":"https://smellbook.com/data/smells/leather.json","history":"https://smellbook.com/data/entity-history.json","methodology":"https://smellbook.com/methodology"}}