Cyclomaltoheptaose

Ontology mapping

Primary identifier: CHEBI:495055
Ontology label: beta-cyclodextrin

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 (8)

Synonym	Type	Source
beta-CD	EXACT_SYNONYM	kg_microbe
beta-cycloamylose	EXACT_SYNONYM	kg_microbe
beta-cyclodextrin	EXACT_SYNONYM	kg_microbe
betadex	EXACT_SYNONYM	kg_microbe
cycloheptaamylose	EXACT_SYNONYM	kg_microbe
cycloheptaglucan	EXACT_SYNONYM	kg_microbe
cycloheptaglucosan	EXACT_SYNONYM	kg_microbe
cyclomaltoheptaose	EXACT_SYNONYM	chebi_synonym_review

Chemical properties

Cas rn: 7585-39-9
Data source: PubChem API
Retrieval date: 2026-04-05T19:51:39.402714+00:00
Molecular formula: C42H70O35
Inchi: InChI=1S/C42H70O35/c43-1-8-29-15(50)22(57)36(64-8)72-30-9(2-44)66-38(24(59)17(30)52)74-32-11(4-46)68-40(26(61)19(32)54)76-34-13(6-48)70-42(28(63)21(34)56)77-35-14(7-49)69-41(27(62)20(35)55)75-33-12(5-47)67-39(25(60)18(33)53)73-31-10(3-45)65-37(71-29)23(58)16(31)51/h8-63H,1-7H2/t8-,9-,10-,11-,12-,13-,14-,15-,16-,17-,18-,19-,20-,21-,22-,23-,24-,25-,26-,27-,28-,29-,30-,31-,32-,33-,34-,35-,36-,37-,38-,39-,40-,41-,42-/m1/s1
Smiles: OC[C@H]1O[C@@H]2O[C@H]3[C@H](O)[C@@H](O)[C@@H](O[C@H]4[C@H](O)[C@@H](O)[C@@H](O[C@H]5[C@H](O)[C@@H](O)[C@@H](O[C@H]6[C@H](O)[C@@H](O)[C@@H](O[C@H]7[C@H](O)[C@@H](O)[C@@H](O[C@H]8[C@H](O)[C@@H](O)[C@@H](O[C@H]1[C@H](O)[C@H]2O)O[C@@H]8CO)O[C@@H]7CO)O[C@@H]6CO)O[C@@H]5CO)O[C@@H]4CO)O[C@@H]3CO

Evidence (1)

DATABASE_MATCH via CultureMech

Imported from CultureMech pipeline, quality=DIRECT_MATCH

Occurrence statistics

Total occurrences: 3
Distinct media: 3

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
2026-04-05T19:51:39.402741+00:00	fetch_cas_rn_from_pubchem	ADDED_CAS_RN	MAPPED	Added CAS-RN:7585-39-9 from PubChem API via name lookup (Cyclomaltoheptaose)
2026-04-18T00:00:00+00:00	cbclaw_kg_microbe_sweep LLM	ADDED_SYNONYMS	MAPPED	Added 7 synonyms from kg-microbe P4.4 enrichment: beta-CD, beta-cycloamylose, beta-cyclodextrin, betadex, cycloheptaamylose, ... (2 more)
2026-05-01T07:35:33.012758+00:00	auto_classify_ingredient_type	AUTO_CLASSIFY_INGREDIENT_TYPE		set ingredient_type=SINGLE_INGREDIENT (CHEBI primary)
2026-05-01T08:08:28.921637+00:00	auto_classify_ingredient_type	AUTO_BACKFILL_CHEBI_CHEMISTRY		molecular_formula=C42H70O35; inchi=InChI=1S/C42H70O35/c43-1-8-29-15(50)22(57)36(64-8); smiles=OC[C@H]1O[C@@H]2O[C@H]3[C@H](O)[C@@H](O)[C@@H](O[C
2026-05-02T03:12:13.670662+00:00	auto_classify_ingredient_type	AUTO_CLASSIFY_INGREDIENT_TYPE		set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula))
2026-05-30T00:34:39.345760+00:00	infer_roles_from_chebi_ancestry	ANNOTATED		Added media role: CARBON_SOURCE (confidence: 0.70)
2026-06-09T05:23:46.747955+00:00	correct_stale_ontology_labels.py	CORRECTED		ontology_label 'Cyclomaltoheptaose' -> 'beta-cyclodextrin': synced to canonical CHEBI label (preferred_term 'Cyclomaltoheptaose' 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
2026-08-27T03:16:39.518669+00:00	refresh_occurrence_statistics	CORRECTED		occurrence_statistics 2/2 -> 3/3 (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]