Trehalose

CHEBI:27082 chemically defined MAPPED CHEBI EXACT_MATCH

Ontology mapping

Primary identifier
CHEBI:27082
Ontology label
trehalose

Nutritional roles

Synonyms (4)

SynonymTypeSourceOccurrences
Role: Carbon source; Properties: Defined component, Simple component, Organic compound RAW_TEXT CultureMech
D-Trehalose EXACT_SYNONYM kg_microbe
D(+)-Trehalose EXACT_SYNONYM merged_from_duplicate_mim_record
Role: Carbon source; Properties: Organic compound, Defined component, Simple component RAW_TEXT CultureMech

Chemical properties

Cas rn
52613-20-4
Data source
PubChem (via CHEBI:27082)
Retrieval date
2026-04-09T00:32:50.689620+00:00
Molecular formula
C12H22O11
Inchi
InChI=1S/C12H22O11/c13-1-3-5(15)7(17)9(19)11(21-3)23-12-10(20)8(18)6(16)4(2-14)22-12/h3-20H,1-2H2/t3-,4-,5-,6-,7+,8+,9-,10-,11?,12?/m1/s1
Smiles
OC[C@H]1OC(OC2O[C@H](CO)[C@@H](O)[C@H](O)[C@H]2O)[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
15
Distinct media
15

Curation history

TimestampCuratorActionNew statusChanges
2026-03-09T06:54:18.022301+00:00 import_from_culturemech IMPORTED MAPPED Initial import from CultureMech pipeline
2026-04-05T19:51:46.107889+00:00 fetch_cas_rn_from_pubchem ADDED_CAS_RN MAPPED Added CAS-RN:99-20-7 from PubChem API via name lookup (D-Trehalose)
2026-04-05T21:48:44.968892+00:00 fetch_cas_rn_from_culturebot_csv ADDED_CAS_RN MAPPED Added CAS-RN:6138-23-4 from CultureBotHT compounds_to_cas.csv (matched: D-trehalose)
2026-04-05T23:44:04.273096+00:00 fetch_cas_rn_with_preprocessing ADDED_CAS_RN MAPPED Added CAS-RN:99-20-7 from PubChem API (preprocessed) via name preprocessing (D(+)-Trehalose)
2026-04-09T00:32:50.689620+00:00 enrich_mim_cas_rn_batch CAS_RN_ADDED MAPPED Added CAS-RN 52613-20-4 from PubChem (via CHEBI:27082)
2026-04-18T00:00:00+00:00 cbclaw_kg_microbe_sweep LLM ADDED_SYNONYMS MAPPED Added 1 synonyms from kg-microbe P4.4 enrichment: D-Trehalose
2026-04-19T07:39:40.088622+00:00 audit_mim_merge MERGED_FROM_DUPLICATES MAPPED Absorbed 3 duplicate MIM record(s) into this one: D_-trehalose.yaml, D-trehalose.yaml, D-trehalose_2.yaml. Synonyms, curation_history, and occurrence counts were unioned/summed; winner selected by highest occurrence count with preferred_term readability tie-break.
2026-04-19T07:39:40.088267+00:00 audit_resolve_risky_cas_rn RESOLVED_CAS_RN_CONFLICT MAPPED CAS-RN conflict across merged group (52613-20-4|6138-23-4|99-20-7) resolved via OAK canonical xref: UNKNOWN (no_oak_cas)
2026-05-01T07:35:36.687609+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (CHEBI primary)
2026-05-01T08:08:32.769369+00:00 auto_classify_ingredient_type AUTO_BACKFILL_CHEBI_CHEMISTRY molecular_formula=C12H22O11; inchi=InChI=1S/C12H22O11/c13-1-3-5(15)7(17)9(19)11(21-3); smiles=OC[C@H]1OC(OC2O[C@H](CO)[C@@H](O)[C@H](O)[C@H]2O)[
2026-05-02T03:12:18.953187+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula))
2026-05-29T23:35:36.113209+00:00 extract_roles_from_synonyms ANNOTATED Added media role: CARBON_SOURCE (confidence: 1.00)
2026-06-04T05:38:59.201386+00:00 infer_energy_source ANNOTATED Added media role: ENERGY_SOURCE (confidence: 0.70)
2026-06-09T05:23:46.845407+00:00 correct_stale_ontology_labels.py CORRECTED ontology_label 'Trehalose' -> 'trehalose': synced to canonical CHEBI label (preferred_term 'Trehalose' 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; ENERGY_SOURCE -> nutritional_roles.ENERGY_SOURCE
2026-08-27T03:16:39.519996+00:00 refresh_occurrence_statistics CORRECTED occurrence_statistics 11/11 -> 15/15 (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]