Ontology mapping
- Primary identifier
-
CHEBI:18246 - Ontology label
- (1->4)-beta-D-glucan
Nutritional roles
- Role
- CARBON_SOURCE
- Confidence
- 0.7
- Evidence
- Reference type
- COMPUTATIONAL_PREDICTION
- Reference text
- Inferred from CHEBI ancestry: subclass/has_role of CHEBI:16646 (carbohydrate)
- Curator note
- Provisional role inferred from CHEBI is_a/has_role closure; review recommended.
Synonyms (12)
| Synonym | Type | Source | Occurrences |
|---|---|---|---|
| (alternative) | RAW_TEXT | CultureMech | |
| Optional ingredient (Avicel SIGMA) | RAW_TEXT | CultureMech | |
| Optional ingredient (Lens tissue or MN 301) | RAW_TEXT | CultureMech | |
| Optional ingredient (MN 301) | RAW_TEXT | CultureMech | |
| (1,4-beta-D-Glucosyl)n | EXACT_SYNONYM | kg_microbe | |
| (1,4-beta-D-Glucosyl)n+1 | EXACT_SYNONYM | kg_microbe | |
| (1,4-beta-D-Glucosyl)n-1 | EXACT_SYNONYM | kg_microbe | |
| (1,4-beta-D-glucosyl)(n) | EXACT_SYNONYM | kg_microbe | |
| (1->4)-beta-D-glucan | EXACT_SYNONYM | kg_microbe | |
| (1->4)-beta-D-glucopyranan | EXACT_SYNONYM | kg_microbe | |
| Filter paper (cellulose substrate) | EXACT_SYNONYM | kg_microbe | |
| Cellulose (Avicel or MN 300) | RAW_TEXT | culturemech:output/ingredient_occurrences.tsv |
Rejected enrichment labels (1)
Provenance-only candidates: these are not synonyms and do not resolve to this record.
| Rejected label | Disposition | Source | Occurrences |
|---|---|---|---|
| Optional ingredient | REJECTED_LABEL | CultureMech |
Chemical properties
- Cas rn
- 9004-34-6
- Data source
- CultureBotHT compounds_to_cas.csv
- Retrieval date
- 2026-04-05T21:48:44.846548+00:00
- Molecular formula
- (C6H10O5)n.H2O
- Inchi
- InChI=1S/C6H12O6/c7-1-2-3(8)4(9)5(10)6(11)12-2/h2-11H,1H2/t2-,3-,4+,5-,6-/m1/s1
- Smiles
- [H]O[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O
Evidence (1)
DATABASE_MATCH
via CultureMech
Imported from CultureMech pipeline, quality=DIRECT_MATCH
Occurrence statistics
- Total occurrences
- 45
- Distinct media
- 45
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 |
| 2026-04-05T21:48:44.846554+00:00 | fetch_cas_rn_from_culturebot_csv | ADDED_CAS_RN | MAPPED | Added CAS-RN:9004-34-6 from CultureBotHT compounds_to_cas.csv (matched: Cellulose) |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 7 synonyms from kg-microbe P4.4 enrichment: (1,4-beta-D-Glucosyl)n, (1,4-beta-D-Glucosyl)n+1, (1,4-beta-D-Glucosyl)n-1, (1,4-beta-D-glucosyl)(n), (1->4)-beta-D-glucan, ... (2 more) |
| 2026-05-01T07:35:32.714148+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (CHEBI primary) | |
| 2026-05-01T08:08:28.544878+00:00 | auto_classify_ingredient_type | AUTO_BACKFILL_CHEBI_CHEMISTRY | molecular_formula=(C6H10O5)n.H2O; inchi=InChI=1S/C6H12O6/c7-1-2-3(8)4(9)5(10)6(11)12-2/h2-; smiles=[H]O[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O | |
| 2026-05-02T03:12:13.261829+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula)) | |
| 2026-05-30T00:34:39.312790+00:00 | infer_roles_from_chebi_ancestry | ANNOTATED | Added media role: CARBON_SOURCE (confidence: 0.70) | |
| 2026-06-09T05:23:46.739941+00:00 | correct_stale_ontology_labels.py | CORRECTED | ontology_label 'Cellulose' -> '(1->4)-beta-D-glucan': synced to canonical CHEBI label (preferred_term 'Cellulose' unchanged). | |
| 2026-07-20T00:00:00+00:00 | migrate_media_roles_to_facets | ANNOTATED | Migrated legacy media_roles to role facets (#128): CARBON_SOURCE -> nutritional_roles.CARBON_SOURCE | |
| 2026-08-27T03:16:39.518546+00:00 | refresh_occurrence_statistics | CORRECTED | occurrence_statistics 32/32 -> 45/45 (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] | |
| 2026-08-30T04:48:06.233536+00:00 | claude_culturemech_alias_backfill | ADDED_SYNONYMS | Added 1 CultureMech recipe surface form(s) that folded onto this record's published label but were absent from MIM's label index, so CultureMech could not resolve them: 'Cellulose (Avicel or MN 300)' (x2 CultureMech mentions). Source: culturemech:output/ingredient_occurrences.tsv. | |
| 2026-09-23T06:21:57.585213+00:00 | claude LLM | REJECTED_WRONG_FORM_SYNONYMS | MAPPED | Retyped REJECTED_LABEL: 'Optional ingredient' (RAW_TEXT): a CultureMech recipe annotation, not a name of cellulose (#232). The token is kept as provenance only; it must not resolve, be exported, or enter the SSSOM other column. |