Ontology mapping
- Primary identifier
-
CHEBI:53423 - Ontology label
- polysorbate 40
Physicochemical roles
- Role
- SURFACTANT
- Confidence
- 0.6
- Evidence
- Reference type
- COMPUTATIONAL_PREDICTION
- Reference text
- Assigned by in-session Claude reasoning (no external API)
- Curator note
- Provisional in-session LLM role assignment; review recommended.
Synonyms (2)
| Synonym | Type | Source | Occurrences |
|---|---|---|---|
| Polyoxyethylene (20) sorbitan monopalmitate | EXACT_SYNONYM | kg_microbe | |
| Polysorbate 40 | EXACT_SYNONYM | kg_microbe |
Chemical properties
- Molecular formula
- (C2H4O)w.(C2H4O)x.(C2H4O)y.(C2H4O)z.C22H42O6
- Inchi
- InChI=1S/C30H58O10/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-28(34)38-23-22-35-24-26(36-19-16-31)30-29(39-21-18-33)27(25-40-30)37-20-17-32/h26-27,29-33H,2-25H2,1H3/t26?,27?,29-,30-/m1/s1
- Smiles
- [H][C@]1(C(COCCOC(=O)CCCCCCCCCCCCCCC)OCCO)OCC(OCCO)[C@H]1OCCO
- Data source
- CHEBI sqlite (oaklib)
Evidence (1)
DATABASE_MATCH
via CultureMech
Imported from CultureMech pipeline, quality=DIRECT_MATCH
Occurrence statistics
- Total occurrences
- 6
- Distinct media
- 6
Curation history
| Timestamp | Curator | Action | New status | Changes |
|---|---|---|---|---|
| 2026-03-09T06:54:18.022301+00:00 | import_from_culturemech | IMPORTED | MAPPED | Initial import from CultureMech pipeline |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 2 synonyms from kg-microbe P4.4 enrichment: Polyoxyethylene (20) sorbitan monopalmitate, Polysorbate 40 |
| 2026-05-01T07:35:36.787238+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (CHEBI primary) | |
| 2026-05-01T08:08:32.869762+00:00 | auto_classify_ingredient_type | AUTO_BACKFILL_CHEBI_CHEMISTRY | molecular_formula=(C2H4O)w.(C2H4O)x.(C2H4O)y.(C2H4O)z.C22H42O6; inchi=InChI=1S/C30H58O10/c1-2-3-4-5-6-7-8-9-10-11-12-13-; smiles=[H][C@]1(C(COCCOC(=O)CCCCCCCCCCCCCCC)OCCO)OCC(OCCO | |
| 2026-05-02T03:12:19.085744+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula)) | |
| 2026-06-09T04:56:30.248283+00:00 | claude_in_session_curation | ANNOTATED | Added media role: SURFACTANT (confidence: 0.60) | |
| 2026-06-09T05:23:46.847591+00:00 | correct_stale_ontology_labels.py | CORRECTED | ontology_label 'Tween 40' -> 'polysorbate 40': synced to canonical CHEBI label (preferred_term 'Tween 40' unchanged). | |
| 2026-07-20T00:00:00+00:00 | migrate_media_roles_to_facets | ANNOTATED | Migrated legacy media_roles to role facets (#128): SURFACTANT -> physicochemical_roles.SURFACTANT | |
| 2026-08-27T03:16:39.520039+00:00 | refresh_occurrence_statistics | CORRECTED | occurrence_statistics 3/3 -> 6/6 (media_count/total_occurrences), derived from distinct CultureMech recipe ids in the #337 occurrence table. The prior values came from the importer retired in #453, whose media_count counted a list truncated to 50 examples (#449). [source=ingredient_occurrences.tsv culturemech_rev=15a4da5c08 rows=194137 distinct_recipes=15257] |