Ontology mapping
- Primary identifier
-
CHEBI:31404 - Ontology label
- Citric acid monohydrate
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 (8)
| Synonym | Type | Source | Occurrences |
|---|---|---|---|
| Citric acid . H2O | HYDRATE_FORM | kg_microbe | |
| Citric acid monohydrate | EXACT_SYNONYM | kg_microbe | |
| Citric acid·H2O | HYDRATE_FORM | kg_microbe | |
| H2cit | RAW_TEXT | sssom_other_backfill | |
| citrate(1-) | RAW_TEXT | sssom_other_backfill | |
| dihydrogen citrate | RAW_TEXT | sssom_other_backfill | |
| Citric Acid•H2O | RAW_TEXT | MERGED_FROM_CHEBI:30769 (#652) | |
| Citric Acid•H2O(Fisher A 104) | RAW_TEXT | MERGED_FROM_CHEBI:30769 (#652) |
Chemical properties
- Cas rn
- 5949-29-1
- Data source
- PubChem (via CHEBI:31404)
- Retrieval date
- 2026-04-09T00:32:50.689620+00:00
- Molecular formula
- C6H8O7.H2O
- Inchi
- InChI=1S/C6H8O7.H2O/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);1H2
- Smiles
- O.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
- 8
- Distinct media
- 8
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 |
| 2026-04-09T00:32:50.689620+00:00 | enrich_mim_cas_rn_batch | CAS_RN_ADDED | MAPPED | Added CAS-RN 5949-29-1 from PubChem (via CHEBI:31404) |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 3 synonyms from kg-microbe P4.4 enrichment: Citric acid . H2O, Citric acid monohydrate, Citric acid·H2O |
| 2026-05-01T07:35:32.813813+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (CHEBI primary) | |
| 2026-05-01T08:08:28.660495+00:00 | auto_classify_ingredient_type | AUTO_BACKFILL_CHEBI_CHEMISTRY | molecular_formula=C6H8O7.H2O; inchi=InChI=1S/C6H8O7.H2O/c7-3(8)1-6(13,5(11)12)2-4(9)10; smiles=O.O=C(O)CC(O)(CC(=O)O)C(=O)O | |
| 2026-05-02T03:12:13.409166+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula)) | |
| 2026-06-03T03:22:14.584223+00:00 | infer_roles_from_name_lists | ANNOTATED | Added media role: CARBON_SOURCE (confidence: 0.80) | |
| 2026-06-04T05:38:59.200546+00:00 | infer_energy_source | ANNOTATED | Added media role: ENERGY_SOURCE (confidence: 0.70) | |
| 2026-06-09T05:23:46.743078+00:00 | correct_stale_ontology_labels.py | CORRECTED | ontology_label 'Citric acid x H2O' -> 'Citric acid monohydrate': synced to canonical CHEBI label (preferred_term 'Citric acid x H2O' 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 | |
| 2026-08-27T03:16:39.518571+00:00 | refresh_occurrence_statistics | CORRECTED | occurrence_statistics 2/2 -> 8/8 (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 3 surface form(s) that the published SSSOM `other` carried but no curated record did, so a rebuild would have dropped them from KGX: 'H2cit'; 'citrate(1-)'; 'dihydrogen citrate'. Tokens already present on the kg-microbe ontology node were left out as redundant (#520). | |
| 2026-09-12T00:00:00+00:00 | fix_hydrate_local_identities | MERGED_FROM | MAPPED | Absorbed duplicate CHEBI:30769 Citric Acid•H2O; added 2 monohydrate source label(s) as RAW_TEXT synonym(s) and left anhydrous or bare-parenthetical labels on the rejected tombstone (#652). |