Ontology mapping
- Primary identifier
-
CHEBI:15447 - Ontology label
- (1->4)-beta-D-xylan
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 (1)
| Synonym | Type | Source | Occurrences |
|---|---|---|---|
| (1->4)-beta-D-xylopyranan | EXACT_SYNONYM | chebi_synonym_review |
Chemical properties
- Cas rn
- 9014-63-5
- Data source
- CultureBotHT compounds_to_cas.csv
- Retrieval date
- 2026-04-29T06:34:31.158938+00:00
- Molecular formula
- (C5H8O4)n.H2O
- Inchi
- InChI=1S/C5H10O5/c6-2-1-10-5(9)4(8)3(2)7/h2-9H,1H2/t2-,3+,4-,5-/m1/s1
- Smiles
- [H]O[C@@H]1OC[C@@H](O)[C@H](O)[C@H]1O
Evidence (1)
DATABASE_MATCH
via CultureBotHT
Imported from CultureBotHT. CAS-RN→CHEBI mapping resolved via OAK CHEBI sqlite (cas xref).
Occurrence statistics
- Total occurrences
- 2
- Distinct media
- 2
Curation history
| Timestamp | Curator | Action | New status | Changes |
|---|---|---|---|---|
| 2026-04-29T06:34:31.158938+00:00 | audit_cas_chebi_followup | CREATED_FROM_CAS_LOOKUP | MAPPED | Created from CultureBotHT CAS-RN=9014-63-5; CHEBI resolved via OAK CHEBI sqlite (cas xref); Imported from CultureBotHT. CAS-RN→CHEBI mapping resolved via OAK CHEBI sqlite (cas xref). |
| 2026-05-01T07:35:36.917278+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (CHEBI primary) | |
| 2026-05-01T08:08:33.006289+00:00 | auto_classify_ingredient_type | AUTO_BACKFILL_CHEBI_CHEMISTRY | molecular_formula=(C5H8O4)n.H2O; inchi=InChI=1S/C5H10O5/c6-2-1-10-5(9)4(8)3(2)7/h2-9H,1H2; smiles=[H]O[C@@H]1OC[C@@H](O)[C@H](O)[C@H]1O | |
| 2026-05-02T03:12:19.278121+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula)) | |
| 2026-05-30T00:34:39.727756+00:00 | infer_roles_from_chebi_ancestry | ANNOTATED | Added media role: CARBON_SOURCE (confidence: 0.70) | |
| 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 | |
| 2026-08-27T03:16:39.520161+00:00 | refresh_occurrence_statistics | CORRECTED | occurrence_statistics 0/0 -> 2/2 (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] |