Ontology mapping
- Primary identifier
-
CHEBI:30769 - Ontology label
- citric acid
Nutritional roles
- Role
- CARBON_SOURCE
- Confidence
- 0.8
- Evidence
- Reference type
- COMPUTATIONAL_PREDICTION
- Reference text
- Inferred from curated media-role name pattern
- Curator note
- Provisional role from a curated name-pattern rule; review recommended.
- Role
- ENERGY_SOURCE
- Confidence
- 0.7
- Evidence
- Reference type
- COMPUTATIONAL_PREDICTION
- Reference text
- Canonical energy substrate (catabolised for energy)
- Curator note
- Provisional ENERGY_SOURCE added alongside CARBON_SOURCE; review recommended.
Synonyms (12)
| Synonym | Type | Source | Occurrences |
|---|---|---|---|
| (trisodium salt) | RAW_TEXT | CultureMech | |
| Properties: Defined component, Organic compound, Simple component | RAW_TEXT | CultureMech | |
| Properties: Defined component, Simple component, Organic compound | RAW_TEXT | CultureMech | |
| Properties: Organic compound, Simple component, Defined component | RAW_TEXT | CultureMech | |
| Properties: Simple component, Defined component, Organic compound | RAW_TEXT | CultureMech | |
| 2-Hydroxy-1,2,3-propanetricarboxylic acid | EXACT_SYNONYM | kg_microbe | |
| 2-Hydroxytricarballylic acid | EXACT_SYNONYM | kg_microbe | |
| 2-hydroxypropane-1,2,3-tricarboxylic acid | EXACT_SYNONYM | kg_microbe | |
| 3-Carboxy-3-hydroxypentane-1,5-dioic acid | EXACT_SYNONYM | kg_microbe | |
| Citronensaeure | EXACT_SYNONYM | kg_microbe | |
| E330 | EXACT_SYNONYM | kg_microbe | |
| H3cit | EXACT_SYNONYM | kg_microbe |
Rejected enrichment labels (3)
Provenance-only candidates: these are not synonyms and do not resolve to this record.
| Rejected label | Disposition | Source | Occurrences |
|---|---|---|---|
| Citrate | REJECTED_LABEL | manual | |
| Citric Acid•H2O(Fisher A 104) | REJECTED_LABEL | sssom_other_backfill | |
| Trisodium citrate x 3 H2O | REJECTED_LABEL | sssom_other_backfill |
Chemical properties
- Cas rn
- 77-92-9
- Data source
- PubChem API
- Retrieval date
- 2026-04-05T19:51:27.983157+00:00
- Molecular formula
- C6H8O7
- Inchi
- InChI=1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)
- Smiles
- O=C(O)CC(O)(CC(=O)O)C(=O)O
Evidence (1)
DATABASE_MATCH
via CultureMech
Imported from CultureMech pipeline, quality=DIRECT_MATCH
Occurrence statistics
- Total occurrences
- 113
- Distinct media
- 110
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 |
| 2026-04-05T19:51:27.983268+00:00 | fetch_cas_rn_from_pubchem | ADDED_CAS_RN | MAPPED | Added CAS-RN:77-92-9 from PubChem API via name lookup (Citric acid) |
| 2026-04-17T12:00:00+00:00 | synonym_expansion_cbclaw LLM | ADDED_SYNONYMS | MAPPED | Added 1 synonym for unmapped CultureMech surface form |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 7 synonyms from kg-microbe P4.4 enrichment: 2-Hydroxy-1,2,3-propanetricarboxylic acid, 2-Hydroxytricarballylic acid, 2-hydroxypropane-1,2,3-tricarboxylic acid, 3-Carboxy-3-hydroxypentane-1,5-dioic acid, Citronensaeure, ... (2 more) |
| 2026-05-01T07:35:32.809712+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (CHEBI primary) | |
| 2026-05-01T08:08:28.655286+00:00 | auto_classify_ingredient_type | AUTO_BACKFILL_CHEBI_CHEMISTRY | molecular_formula=C6H8O7; inchi=InChI=1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13; smiles=O=C(O)CC(O)(CC(=O)O)C(=O)O | |
| 2026-05-02T03:12:13.403885+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula)) | |
| 2026-06-03T03:22:14.584196+00:00 | infer_roles_from_name_lists | ANNOTATED | Added media role: CARBON_SOURCE (confidence: 0.80) | |
| 2026-06-04T05:38:59.200542+00:00 | infer_energy_source | ANNOTATED | Added media role: ENERGY_SOURCE (confidence: 0.70) | |
| 2026-06-09T05:23:46.742976+00:00 | correct_stale_ontology_labels.py | CORRECTED | ontology_label 'Citric acid' -> 'citric acid': synced to canonical CHEBI label (preferred_term 'Citric acid' 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 | |
| 2026-08-27T03:16:39.518568+00:00 | refresh_occurrence_statistics | CORRECTED | occurrence_statistics 50/63 -> 110/113 (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] | |
| 2026-09-02T22:41:49.137449+00:00 | claude_sssom_surface_form_backfill | ADDED_SYNONYMS | Recovered 2 surface form(s) that the published SSSOM `other` carried but no curated record did, so a rebuild would have dropped them from KGX: 'Citric Acid•H2O(Fisher A 104)'; 'Trisodium citrate x 3 H2O'. Tokens already present on the kg-microbe ontology node were left out as redundant (#520). | |
| 2026-09-12T00:00:00+00:00 | reject_hidden_hydrate_synonym_collapses | REJECTED_HIDDEN_HYDRATE_SYNONYMS | MAPPED | Marked hidden hydrate synonym(s) as REJECTED_LABEL so this record no longer resolves sibling hydrate identities (#251): 'Citric Acid•H2O(Fisher A 104)', 'Trisodium citrate x 3 H2O'. |
| 2026-09-24T07:48:22.769599+00:00 | claude LLM | REJECTED_WRONG_SUBSTANCE_SYNONYMS | MAPPED | Retyped REJECTED_LABEL: 'Citrate' (EXACT): a bare -ate label denotes the anion (Section 3 protonation rule); the Citrate record holds CHEBI:16947 (#669). Kept as provenance only; it must not resolve, be exported, or enter the SSSOM other column. |